The project Chevelle is outfitted with a BluePrint 427 LS ProSeries engine, with loads of carbureted power for the street and top-end performance. I have a 1975 pymouth duster slant six stock i already have a 4 barrel edelbrock carb and i want to put it on my slant. Shop FiTech at Pace Performance. Whether it’s replacing the single coil mounted separate to the distributor, the HEI coil, a coil pack, or a coil over plug, we’ve proven on more than one occasion that coil upgrades do provide performance benefits including incre ased power you can see on the dyno. CFI to Carb or EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. By opening up the exhaust and intake, adding a tuner, a bigger mass air intake, and some light oil, we expect impressive power and fuel economy gains. My son and will install it on a warm weekend soon. 55 gears , it never got better than like 8 mpg, but lets be real this was with the stock 203. As far as collapsed floatsI blew through a stock 34 pict-3 for 7000 miles at up to 13 lbs without a float problem. Antony Ingram May 20, 2014 Comment Now! View Gallery Toyota Improves Semiconductor Tech In Hybrids, 10 Percent MPG Gains. story and photos by Daniel Bennett. Entry level self-tuning EFI systems were basically designed to replace four-barrel carburetors on naturally aspirated engines. When the speed limit changed to 55mph, nationally, I was keeping tight figures of highway mpg, using % of throttle, rpm, air/fuel ratio, and such to figure each segment of my 290 mile trips home from college, circa 1973-4. Here we have a great example of the infamous Mustang II. The all new Atomic EFI system was designed with two goals: simplicity and performance. 2 to the rich side. 7 hp and 384. I simple installed the unit and did the initial engine settings and haven't played with anything else think the self learning would do the job. Can you just leave it unplugged? Yes. Once the motor is running, let it warm up and then give it a basic tune-up. With the baseline established, we began installing Holley’s Sniper EFI. Anyone following the YouTube video series Gale Banks is doing on testing differential covers Very interesting stuff. The best part is when I pop the hood, initial inspection things appear period or old school correct which I like. Fuel injection is the fuel supply method of choice on almost every gasoline-powered engine these days because they offer increased efficiency and horsepower due to. I’ve owned a lot of vehicles with the Chevy 350 in them and I’ve always gotten about 15 mpg, and that didn’t really change much no matter how I drove them. You may have to register before you can post: click the register link above to proceed. Now that I've come up with the Harley piston solution I have any comp ratio at hand that I want, so I dont mill except to clean things up. This article will focus on the process of converting our 1977 Chevy Nova test vehicle from the very functional and affordable GM TBI fuel injection hardware to a much more modern multi-port fuel injection (MPFI) design utilizing a Holley Stealth Ram MPFI Intake and the same MegaSquirt-II EFI system we'd previously installed in Part 1 and Part 2 of this Carb-To-EFI. I know not only our system but the others as I have installed and sold them. 0:1 compression ratio. Not a perfect vehicle, but the positives outweighed the negatives. Turbo it (this forum isn't going to tell you otherwise), the gains from FI are going to be much better bang for the buck than any basic bolt on package. so i guess i'll agree to disagree. FiTech Install on 72 C20 w buddies 1970 K10 and he averaged 16. Hey, i got a Grand Wagoneer, and many other jeeps. Notify me of updates to COLD AIR INDUCTIONS Cold Air Intake, Chrome (2014-2015 Silverado & Sierra 1500 6. Antony Ingram May 20, 2014 Comment Now! View Gallery Toyota Improves Semiconductor Tech In Hybrids, 10 Percent MPG Gains. I had it pretty well figured out but FI was my goal and I swapped overwithout regret. EPA estimated with 3. These changes are with a cam, lifter, timing chain and springs only. To determine which is best for your vehicle, it's. The all new Atomic EFI system was designed with two goals: simplicity and performance. Holley Sniper EFI, Cost Effective, Easy to Install! Posted by Chris Myer 11/18/15 65 Comment(s) New Product Announcements , Holley Sniper EFI Instruction , You might think that EFI and vintage cars go together like engine oil and coolant. BIG BLOCK FORD HORSEPOWER CHART INFO gathered by DJOHAGIN. 153 Available - Browse the variety of engine & Carburetors at RacingJunk Classifieds. Yes they have 355 now but they are sluggish from bottom end. Run a cam in the 230s - 240s @. An extra 3-1/4 MPG gain at 55 to 62 mph for the 1980 XD -1/2 Falcon and TF Cortina. I’ve owned a lot of vehicles with the Chevy 350 in them and I’ve always gotten about 15 mpg, and that didn’t really change much no matter how I drove them. Chevy Small Block Trans & Engine Packages Engine Shop. Mixing LS3/LQ4 on LQ4 build? This is a discussion on Mixing LS3/LQ4 on LQ4 build? within the Internal Engine forums, part of the LSx Technical Help Section category; i have a 2002 LQ4 that I got for a smokin' price - everything looks good in it. With the exception of the efi, I had a lot of miles calculating the mpg and all the driving was pretty much the same type, my around town running. 5:1 compression 4. When we mentioned that we were pleasantly surprised earlier, it was in part due to the gain from the simple drop-in filter. 350 sbc mild cam holley efi 6spd - What mpg could I expect? Holley sniper is going to be the competitive efi to fitech and I live where holley is so Ill get the. You may have to register before you can post: click the register link above to proceed. The best part is when I pop the hood, initial inspection things appear period or old school correct which I like. I drive my car but I also wanted to see what can be done to 53 year old technology. One of the tricks car manufacturers use to increase fuel economy and power is to generate a swirling-effect or “turbulence” in the air that enters the cylinders. Czipar Performance is a custom performance shop. No matter the level of modifications you desire to improve performance and handling of the 5 series, Dinan, has the custom components that will take your BMW to the next level in performance. So, I'm considering my winter projects and upgrades for my boat. Disabling DFCO is a bad idea (it's ok for tuning) because mpg would suffer. i'm looking fwd to hear feedback on these units. On the list for this year already is a stomp grate and impeller rebuild. Net Get perks and donations $15 USD and over receive official MightyRam50. These changes are with a cam, lifter, timing chain and springs only. Thank you everybody for your input. So you can see unless you are planning on putting a lot of miles on saving money on its own isn't a good reason. IMO, biggest fuel mileage and power gains come not from playing with transmissions, gears, and tires, but maximizing piston and combustion chambers interface in the engine. All I ever checked on it was fuel mileage and that remained about 12 mpg the entire time. This is WAY WAY WAY too much once you have recurved the centrifugal and initial advance the way I describe above. Since my FiTech hasn't performed properly since day 1, and is still giving issues, I can't say it's been an accurate comparison. RPM fluctuation while idling. But it is a compound affect, the more small mods you do, the greater overall affect and some mods will work better in conjunction with others. Not a perfect vehicle, but the positives outweighed the negatives. Entry level self-tuning EFI systems were basically designed to replace four-barrel carburetors on naturally aspirated engines. Also dont forget once you start making large power gains you need to upgrade your transmission and I am not talking about adding a shift kit. 1 to 3 mpg 0: 0%: 4 to 6 mpg 0: 0%: 7 to 9 mpg 7: 70. AIR INTAKES. You may have to register before you can post: click the register link above to proceed. Currently have 600cfm Demon vacuum secondary). I think the only real way to determine a power loss is by dyno tuning the FiTech rather than waiting on it to learn but doing it on a test mule and pulling numbers with an original MPI system first. what is the biggest road tire (circumference) that can be possibly install on this truck. The Lightning and the F-250 are the only 5. Car Craft just did an article on the FiTech and raved about it. Our time off, and time with the family is the most valuable part of every minute in the coach. Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years. 1 lb-ft of torque. The 2015 Subaru Legacy made its debut at the 2014 Chicago Auto Show yesterday. The Chevy SSR performance parts in this popular shop feature nothing short of precision and durability. story and photos by Daniel Bennett. Which offers the best performance, carburetor or fuel injection, is highly debated question among car enthusiasts. Read how-to and tech articles, car and truck features, view hot rod and muscle car photo galleries, and much more. " Smitty adds, "there's absolutely no hesitation. 5 per lb of boost and did not notice detonation). 5:1 compression 4. I know not only our system but the others as I have installed and sold them. Timing locked out at 36, 10 degree start retard and 1 degree retard per lb of boost( I put it to. The Lightning gets 12 miles per gallon in the city and 17 mpg on the highway. If the engine breathing combination (cam, carb, intake, heads, headers and compression ratio) are properly matched, the duration at. Edelbrock has a very good manual for jetting and all they recommend you use is a vacuum gauge. Fitech was the brand I looked at in EFI. After Fitech it's getting between 9 and 10. FiTech EFI Systems & More FiTech is quickly becoming a go-to source for fuel injection systems due to the company’s reputation for delivering high performance fuel delivery systems by leveraging several OEM parts and OEM-level software to keep units affordable. An early test on a 461ci Pontiac built by Butler Performance shows a noticeable power gain over the previous generation. James Dunst, Bell Performance's ASE-certified master mechanic, discussed mechanical issues about your engine in this guest blog: Have you ever wondered why spark plugs now last over one hundred thousand miles?. That you gain 1 to 5 MPG is debatable, too many variables that can affect fuel mileage. The truth is it works - at low RPM (3500 and under). 454 big blo. - Peak RWHP gain 14. I found that I then had valve geometery problems. - New turbine wheel aero constructed of MAR-M Alloy rated for up to 1050° C for extreme temperatures. 67 Richard & Bridget Kiggins' 1967 Ford Bronco See page 99 for story. Gas or diesel we can take care of your power needs as well as increased mpg. new exhaust Power gains increased proportionally to RPM. This replacement cold air intake package is one of the easiest upgrades you can do. This kit provides the perfect solution for those “junkyard” LS engine swaps where the factory ECU and wiring harness may be missing or damaged. Holley Sniper EFI, Cost Effective, Easy to Install! Posted by Chris Myer 11/18/15 65 Comment(s) New Product Announcements , Holley Sniper EFI Instruction , You might think that EFI and vintage cars go together like engine oil and coolant. Thanks for the reply. 0L LQ4 engine block, add a little elbow grease, and build ourselves a nice budget-friendly horsepower block. "Keep'em On The Road"® Pri. The Chevy SSR performance parts in this popular shop feature nothing short of precision and durability. You may have to register before you can post: click the register link above to proceed. Superchargers achieve performance gains by increasing the density of the air/fuel charge within the combustion chambers of an engine. I've been watching some internet porn again and it got me thinking about my engine. Smooth the transitions by selecting the neighboring columns if you wish. Whether it's replacing the single coil mounted separate to the distributor, the HEI coil, a coil pack, or a coil over plug, we've proven on more than one occasion that coil upgrades do provide performance benefits including incre ased power you can see on the dyno. Dual controls let you tear it up with death. But so far the FiTech has had a worse smell, which I feel is clearing up so I'm optimistic, it's been less responsive, felt like less power, and has had worse mpg. Installing A Fitech EFI System on a GMC If you have read any of the rest of this blog you know we have undertaken once hell of a project! We’re making headway on building the interior lately. If I could gain 4. This replacement cold air intake package is one of the easiest upgrades you can do. With absolutely perfect spark control what is hear is the gain could be maybe 1 to as much as 2 mpg. I never did figure out my fuel mileage with carb. I pay 5% more for eth-free gas, but get 40% better mileage. Please follow the post completely for details of the process. I am somewhat disappointed that you did not try a richer air fuel ratio as I suggested. LnL, I think you are right on target. Highway MPG: 18. I figure I could sell the carb for a portion of that to reduce that initial investment. Find FiTech MeanStreet EFI 800 HP Self-Tuning Fuel Injection Systems 30008 and get Free Shipping on Orders Over $99 at Summit Racing! You don't need a carburetor! You need FiTech MeanStreet EFI 800 hp systems. If you are reading this, the car is available. I think the only real way to determine a power loss is by dyno tuning the FiTech rather than waiting on it to learn but doing it on a test mule and pulling numbers with an original MPI system first. James Dunst, Bell Performance's ASE-certified master mechanic, discussed mechanical issues about your engine in this guest blog: Have you ever wondered why spark plugs now last over one hundred thousand miles?. There’s even a step retard in case you want to run a little nitrous in the mix. I think if this car was a Challenger or Cuda, popping the hood to reveal a 340 Six Pack would be cause for applause and add resale. 9 Magnum V8 engines. 55 axle to see if there was a noticeable MPG gain or performance loss. test our systems under real world driving conditions, and dyno test our products to the wheels with the hood closed. Testing intake manifolds for the 5. The coil is one of those large Mallory black boxes. Took the Chevelle to the dyno to see if the FiTech GoEFI 8 1200hp Fuel Injection system made any more power than my old Holley 3310 750 cfm carb. CFI to Carb or EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. Don’t Block or Remove the EGR Valve, It’s Saving You Money Typical Older EGR Valve The EGR Valve (Exhaust Gas Recirculation) valve is found on almost all modern engines and is considered part of the emissions package of your vehicle. The Lightning gets 12 miles per gallon in the city and 17 mpg on the highway. One sure way to know if you can't use the standard V2. Software number Two, This software increases the fuel delivered by the ECM and does the boost fooling. Worth it, I like the name too. The MSD 6LS allows the user to map a timing advance curve, program the two step rev limiter or vacuum advance curve for your needs. Yes I already have O2 bungs for both sides so I can keep my gauge. com" For further information call 888-881-2774 or go to www. - Peak RWHP gain 14. Took the Chevelle to the dyno to see if the FiTech GoEFI 8 1200hp Fuel Injection system made any more power than my old Holley 3310 750 cfm carb. The Fitech does not come with anything that could be described as a "User Manual". The philosophy seems to be to let you muck with it and figure it out if need be by asking random people questions. Many believe that performance is best with a carburetor while others insist that the only way to go is with fuel injection gasoline. A convenience thing. In fact it was the fastest stock vehicle of anything made in 1979. 9 engine a customer reported 48 lb/ft of torque @ 3,500 rpm and a 31HP gain @ 4,700 rpm at the rear wheels. Edelbrock performer rpm crate engine with Fitech Meanstreet EFI, 13-14 mpg with 800cfm Edel carb, about 18mpg with Meanstreet, really Happy ! Fitech efi fuel consumption at 70 and 80mph, 4. 050" on a 112 - 114 LCA, even a flat tappet hydraulic and you'll have all the power you expect and more. In a returnless system a PWM pump slows down when fuel demand is low so that the pump doesn't work too hard and overheat. Edelbrock Intake Manifolds are carefully developed & extensively tested to maximize performance & appearance in every application from the street to the strip. Yes they have 355 now but they are sluggish from bottom end. The Fitch is the only product of its kind to be certified by the Environmental Protection Agency for use with gasoline and light duty diesel engines under 40 CFR 85. The coil is one of those large Mallory black boxes. on-line shopping has currently gone a long manner; it's modified the way consumers and entrepreneurs do business today. Gears Community, I started watching Stacey David years ago when he was on the other show, I'm not suppose to. 6 on average to slightly over 26 miles per gallon. If you use port stufers, according to MPG who makes a nice version, the exhaust side is the majority of the gain and well worth running. How to Build Chevy Big-Blocks: Intake Manifold Guide If a 350 small-block is good with a 750 carb, a 454 needs a carb of some 970 cfm just to keep pace in terms of CFM per cubic inch. Software number :Three,. CAIs are proven to boost horsepower, twist torque and even goose MPGs. Therefore, the ads and internet discussions offer anecdotal (not rigorously tested or verified by multiple controlled observations) claims of substantial performance and mpg gains. EFI Idle Tuning Notes If this is your first visit, be sure to check out the FAQ by clicking the link above. This system is perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. Really curious as to the MPG of mechanical vs vacuum secondary. 050" on a 112 - 114 LCA, even a flat tappet hydraulic and you'll have all the power you expect and more. For return lines I used a stock style fuel sender with a return line added in, but I think I'm going to change it to an in tank unit when the budget permits. Test leaking Fuel Injectors. That’s what they got in the 70s and that’s pretty much what they still get today. Run a cam in the 230s - 240s @. Fuel injection is the fuel supply method of choice on almost every gasoline-powered engine these days because they offer increased efficiency and horsepower due to. Read how-to and tech articles, car and truck features, view hot rod and muscle car photo galleries, and much more. Unfollow propane injection kit to stop getting updates on your eBay Feed. These full-featured, self-tuning fuel injection setups deliver a whole lot in a small package. Shop FiTech at Pace Performance. If the length or volume of the intake runners is optimized for a certain rpm range, the Helmholtz effect can actually create a bit of boost pressure just as the intake valve opens, pushing more air into the cylinder for a slight gain in power. But when I went to a full vacuum advance duraspark, I suddenly gained a real seat of the pants gain in HP, and my MPG almost doubled. This kit provides the perfect solution for those “junkyard” LS engine swaps where the factory ECU and wiring harness may be missing or damaged. Hey, i got a Grand Wagoneer, and many other jeeps. Carburetors have long served the performance aftermarket and racing industry well. Building a highly efficient engine (mpg) looking into a TBI system like fitech of Holley sniper. These changes are with a cam, lifter, timing chain and springs only. Follow along on the build in issue 1 of Truckin Magazine. Cargo and load capacity limited by weight and distribution. Like all Chevrolet Performance Small-Block crate engines, it's built with a cast-iron block. Therefore, the ads and internet discussions offer anecdotal (not rigorously tested or verified by multiple controlled observations) claims of substantial performance and mpg gains. It has a 170 built for economy, Bored and honed. Worth it, I like the name too. As the days count down, Fuel Injection Technology or FiTech, is preparing their products for car enthusiasts and hardcore tuners alike. Making 270 hp and 310 lb. To determine which is best for your vehicle, it's. Probably not, but we can show how easy the EFI system is to install and the gains that we experienced. Shop FiTech at Pace Performance. This kit came with 30lb-hr injectors which is more than enough for our extremely mild 350 Chevy at this stage. His is a 4 speed,and it never loads up or bogs. If you use port stufers, according to MPG who makes a nice version, the exhaust side is the majority of the gain and well worth running. i was thinking on getting a holley sniper setup until i found out i need to use a single plain intake or a inch open spacer just so the M. The MPG as has been mentioned is not that big of a deal. MPG went down to 9. It dials in greater ignition advance, which is necessary when you've got a thin or lean air-fuel mixture such as at part-throttle; you have to start that mixture burning quite early in order to get all that fuel combusted by the time the piston is passing TDC. I just bought an 05 ram 1500 with the 5. Thank you everybody for your input. FiTech's dual-quad system houses the ECU in one unit and uses a short harness to bridge the slave unit, mounted in front. In a naturally aspirated form, E85 is a great option if all other modifications have been deemed too costly for the gains. MASS AIR fuel injection system Ford Ford 429/460 - Have you looked at all those systems out there that claim to be fuel injection but are really nothing more than a carburetor with four injectors stuck on them in place of jets. Actually I did consider going with a fitech efi but cost for cost I really dont see where 10 hp difference would be worth the 500 bucks, while this will be mostly street driven, it isnt being built to be a slouch either, and as an update, I have completed the rework of an 8. Long tube equal length headers are ideal for almost all RPMs with only the exact length and diameter being tweaked for a particular RPM range. W72 shaker air cleaner clearance. i've also not had one hooked up to ported vacuum stumble unless the advance isn't working. My Elco is my daily driver and I'd like to swap it over to EFI and I like to do it as cheap as possible. For further information call 888-881-2774 or go to www. How did you guys pick FITech over Holley, etc? There are a few to choose from. 350 sbc mild cam holley efi 6spd - What mpg could I expect? Holley sniper is going to be the competitive efi to fitech and I live where holley is so Ill get the. 8, it's been narrowed, new ring and pinion, new spiders, new clutches, new bearings and seals, new rotors and pads, next. The overall HP and TQ difference was minimal which came in around 441 hp and 530 tq at the wheels. the decisions been made as soon as I sell the denali I'm getting a 6500 loan and rebuilding my trailer with 500 of it and the rest is going into the burb to make it a reliable DD. Ken Farrell of FiTech has been making electronic fuel injection systems for the past 15 years and shared some insight on the company's kit offerings. EFI isn’t new, but FiTech’s simple, powerful, cost-effective systems are reinventing the category. i can't argue against electronic fuel injection, because efi is generally going to give better mpg---but not nessesarily a massive gain---maybe 2-10% improvement. We tuned it on the chassis dyno according to the tailpipe fuel sensor. 0L, which in our minds meant Mustang like modifications would ensue. Not a perfect vehicle, but the positives outweighed the negatives. I was thinking higher compression would be a benifit. Turbo it (this forum isn't going to tell you otherwise), the gains from FI are going to be much better bang for the buck than any basic bolt on package. No exception, Petralia has identified a specific mix of components (see spec sheet) that he knows will survive even if the customer chooses to lean on the motor much harder or turn up the boost later. 00%: Multiple Choice Poll. 0L in a 2500HD is rated at 353 hp @ 5,400rpm and 373 ft. The differences between the MSD controller and the Fitech as far as I can tell: 1. I am somewhat disappointed that you did not try a richer air fuel ratio as I suggested. This filter increases airflow. Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013-2016 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Sprint Cup Series™ team. Holley is quickly becoming The New Standard In EFI! Holley’s HP ECU is standard equipment on the 2013-2016 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. FiTech Fuel Injection is the number one choice of both amateur hot-rodders and professional EFI tuners worldwide. Many of Carburetors are race ready & ready for install! Shop now. We were pumped that it was a 5. I was getting about 15 MPG before on a road trip cruising at 70 MPH, now I was able to get over 18 MPG at 70MPH on my most recent trip. This thing went on fast and although it may not generate crazy power gains, I like the whistle. By 1978, Chevrolet had 23 years of building its famous Small Block V8 under its belt. Edelbrock performer rpm crate engine with Fitech Meanstreet EFI, 13-14 mpg with 800cfm Edel carb, about 18mpg with Meanstreet, really Happy ! Fitech efi fuel consumption at 70 and 80mph, 4. I’ve owned a lot of vehicles with the Chevy 350 in them and I’ve always gotten about 15 mpg, and that didn’t really change much no matter how I drove them. either way they are some of the most popular cars on the street and strip. 153 Available - Browse the variety of engine & Carburetors at RacingJunk Classifieds. By replacing factory-sized crank and accessory drive pulleys with a resized pulley, the accessories are slowed, resulting in more horsepower available to the drive wheels. I know i need a 4 barrel manifold does anyone know were i can get one for cheap or sorta cheap lol. Anything you're going to find available for a 400 in a pickup/Bronco are going to be great for low RPM grunt and worth significant HP gains over manifolds. The solution: either port them or replace them. and FiTech have mixed reviews. My next motor will have 4 swap meet carburetors on it. I never seen a roots blown motor run or drive like his car. Whether it’s replacing the single coil mounted separate to the distributor, the HEI coil, a coil pack, or a coil over plug, we’ve proven on more than one occasion that coil upgrades do provide performance benefits including incre ased power you can see on the dyno. Im just looking for plug and play not trying to gain thousands of hp just better mpgs and all the bennies of EFI, its all stock except for headers dual flow exhaust and intake manifold there are a lot of different brands out there are there ones to stay away from and is there ones that are bullet proof, or are they just like most things you get. Unfortunately, there simply just are not many options available. 6 on average to slightly over 26 miles per gallon. Since the computer won't just be blindly dumping fuel like a carb on a cold engine. In fact it was the fastest stock vehicle of anything made in 1979. FiTech Fuel Injection is the number one choice of both amateur hot-rodders and professional EFI tuners worldwide. Not cheap but there are gains to be made. When the speed limit changed to 55mph, nationally, I was keeping tight figures of highway mpg, using % of throttle, rpm, air/fuel ratio, and such to figure each segment of my 290 mile trips home from college, circa 1973-4. Dodge Truck & SUV forum with the best tech and vehicle help on the web. The coil is one of those large Mallory black boxes. We service all makes and models for general repair and performance upgrades. If a couple points helps you might get that. Fuel Air Spark Technologies (FAST), FiTech, Holley Performance Products, and Edelbrock provided answers, and dispelled some of myths that have been floating around on the Internet. 060 with a block plate, decked to. Here are the basic options that people tend to use with the Sniper or Fitech set-ups: Tanks Inc retro fit with new tank and in tank fuel pump. Shopping in this one stop shop is fun and gives you an incredible experience. This replacement cold air intake package is one of the easiest upgrades you can do. Recently, there has arisen a debate about the merits of certain intake manifolds versus other intake manifolds specifically for the Chrysler 5. I have a 1975 pymouth duster slant six stock i already have a 4 barrel edelbrock carb and i want to put it on my slant. He wanted to be able to drive it any where any time. Performance EFI How to properly modify your EFI fuel system for performance applications By: Jim Roal. I dont think you have to go leaner until you get a misfire. With many conflicting opinions kicking around about performance gains from throttle body spacers, several glowing online throttle body reviews agree that a throttle body spacer delivers the most bang for your performance buck. With that, you take into consideration engine physics, and consider that the extra 23 cubic inches of the 350 is all via the crankshaft stroke, and you automatically gain more torque on a logarithmic scale than if it were 23 cubic inches by bore size alone. These changes are with a cam, lifter, timing chain and springs only. The truth is it works - at low RPM (3500 and under). The Chevrolet V6 has become a very important Jeep conversions engine, and is swapped into many Jeeps with great frequency now. The truth is it works – at low RPM (3500 and under). Speaking specifically of the "Cruise" condition (1800 - 2200 rpms in highest gear, load% near the same as it is at idle), I would lean out your target A/F ratio until you hear and feel the engine get "unhappy", then back up. But so far the FiTech has had a worse smell, which I feel is clearing up so I'm optimistic, it's been less responsive, felt like less power, and has had worse mpg. Dodge Truck & SUV forum with the best tech and vehicle help on the web. the decisions been made as soon as I sell the denali I'm getting a 6500 loan and rebuilding my trailer with 500 of it and the rest is going into the burb to make it a reliable DD. If I could gain 4. Holley just brought EFI within range - introducing Sniper EFI! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!. This thing went on fast and although it may not generate crazy power gains, I like the whistle. Still, it's awesome you are getting it out onto the track and having fun and your truck is doing it's best support the forum that supports you - join and donate to MightyRam50. However, it continued to just miss the mark with serious racers because it was limited in the amount of horsepower it could support. After Fitech it's getting between 9 and 10. FiTech EFI: What You Should Know About Your First EFI Conversion. That along with instant starts and great idle to wot response with no hesitation makes it a win/win. • GAIN 2-3 MPG • INCREASED HP & TORQUE F R O M $72799 S O 250-425 HP • Maximizes the vehicle’s safe load-carrying capacity, stability, ride quality and brake effectiveness • Most kits are No-Drill systems, allowing easy 1-2 hour installation • Supports up to 5,000 lbs per set $38896 KITS FROM # 231-2320 STAGE 2 COLD AIR INTAKES. benefits of the AOD's 0. I have come to the Fi Tech EFI system the 40003 with the fuel command. fitech mean street efi on my 401 so I took the plunge and ill be posting the install as I go along,its not a wild motor as its just in my 87 yj but it is bored 30 over with a mild cam has patriot headers like the old eddy shortys and a performer manifold the kit I have says from 250hp to 800hp I have never had it on a dyno but im guessing it. 5 mpg with the fitech and the 700r4 that is ready to go into it my anual fuel costs would go from $3,391 to $2,437 per year (Assuming 11. Fitech adds timing, the MSD pulls timing. Still, it's awesome you are getting it out onto the track and having fun and your truck is doing it's best support the forum that supports you - join and donate to MightyRam50. Magazine Reviews. But so far the FiTech has had a worse smell, which I feel is clearing up so I'm optimistic, it's been less responsive, felt like less power, and has had worse mpg. The all new Atomic EFI system was designed with two goals: simplicity and performance. This allowed the older non-EFI engines to take advantage of the reliability and efficiency that EFI systems bring to internal combustion engines. For return lines I used a stock style fuel sender with a return line added in, but I think I'm going to change it to an in tank unit when the budget permits. This is a direct bolt on Stealth Ram MPFI setup. The Lightning and the F-250 are the only 5. Fuel Pressure Explained. Find helpful customer reviews and review ratings for FiTech 30004 Fuel Injection System at Amazon. Get the best deal for Car & Truck Fuel Inject. The car was a stock '66 Newport Town Sedan 383, with a 1970 OEM Holley 2210 carb. Started life as a MPG edition and later switched to a Link 2019-04-03 *** 1967 Mustang Fastback (Hohenwald TN) $38980. hughes roller cam, retro roller lifters for LA and fitech TBI. I always check how many miles I get when it's time to fill up and I hit about 320-330 per tank. I figure I could sell the carb for a portion of that to reduce that initial investment. EPA estimated with 3. Not a perfect vehicle, but the positives outweighed the negatives. 9 engine a customer reported 48 lb/ft of torque @ 3,500 rpm and a 31HP gain @ 4,700 rpm at the rear wheels. This thoroughly mixes oxygen and fuel molecules, allowing the air/fuel mixture to burn completely when ignited. Have to pay someone to install it even higher. With that simple and very inexpensive change, our Stingray produced 407. But so far the FiTech has had a worse smell, which I feel is clearing up so I'm optimistic, it's been less responsive, felt like less power, and has had worse mpg. FiTech Electronic Fuel Injection This one's going to be more of an opinion post than a project, as we haven't installed our Fitech yet. Since the computer won't just be blindly dumping fuel like a carb on a cold engine. Re: Ported vs manifold vacuum advance March 22nd, 2012, 02:54 PM OK, so we don't get too far off topic, is the amount of vacuum in ported proportional to the amount of air going through the venturi and effected by such or a manifold vacuum function when the throttle plates start to open and retards was manifold vacuum falls?. Need to give your 1984-1996 C4 Corvette a shot in the arm? Corvette Mods carries the best selection of performance upgrades for your C4 Corvette. The circuit will most often fail after some time spend at high speeds and loads, rather than immediately when you start the engine for the first time. Here are the basic options that people tend to use with the Sniper or Fitech set-ups: Tanks Inc retro fit with new tank and in tank fuel pump. Around town is the same 12 as before, but at 80 I routinely see 19-20 mpg, and I've seen as high as 24 at 65. The Fitch® Fuel Catalyst, Canadian National Distributor. This increase in density is achieved by forcing additional amounts of air (beyond the amount of air that normal atmospheric pressure would force into the engine) at the lowest temperature possible.