Fitech Mpg Improvement

(That's using mileage data from a gps, since the odometer is not perfectly accurate after adding larger tires) I plan to do a FiTech TBI conversion in the next few months to get my mpg's up a bit higher, among other benefits. With CJ Pony Parts large selection of transmission parts you will find everything you need to properly install most modern transmissions in a classic Mustang. It would be unlikely that TSCi can improve on the efficiency of an HEV engine on Atkinson cycle running at 1600-2000 rpm, which is the typical engine speed for hwy cruise at 60-70 mph. Jegs has all of the "hop up" stuff you'll need here. Notes: Manual Brakes, Power Steering, FiTech Electronic Fuel-Injection, Flaming River Steering Box. With Fitch Fuel Catalysts installed in them, I now use regular in the Corvette and mid grade in the bike. The richer the air-fuel ratio is with your carburetor – the better the fuel mileage improvements you will see with EFI. fan control and rev limiter. org member Jay_rich for winning December’s Car of the Month, as voted by ThirdGen. While anyone contemplating a switch from a carburetor will appreciate the instant cold starts, lack of vapor lock issues. Advanced Tips for EFI Tuning with Fuel Pressure. Mine works, running the mean street, supposed to handle 800hp. Provides great starts, drivability, and fuel economy. I'm in it for the dependability and was hoping to not have a 20% decrease in fuel economy. i drive my truck everyday with aod 4. 5 mpg in about a day. In your case, fuel efficiency may have some room for improvement. Good fuel economy is a direct result of the fine-tuning performed on the EFI system. We carry premium quality products for your semi-truck, so you can shop with confidence!. AutoZone is the leading auto parts retailer. Designed using state-of-the-art technology and with customers in mind. For example, in the 1973 model year, there were four calibrations fo. Because that's what most people want. Around 1 to 1. My EFI upgrade netted about 20% improvement in MPG and totally eliminated hot/cold start problems. Now the average fuel consumption on LPG is between 12-14 mpg. The net effect of these fuel economy trends is that light-duty vehicle energy consumption is projected to decrease 12%, from 16. One of the most common reasons Mustang owners install a throttle body spacer is for better gas mileage and throttle response. That way, objectionable lean bogs are avoided at only a small expense of power and fuel economy. The truck is used as a daily driver and I'm not looking from a drop-dead increase in performance. this system will support up to 525hp carburetor adapter is needed. Come join the discussion about performance, modifications, troubleshooting. 1958 GMC 1/2t truck , GMC 302 ,3 speed transmission Looking at upgrading to EFI. Now with the Holley and FiTech, you can dead-head these units, meaning not run a return line. Cause: This can be caused by the 4th band servo snap ring has broken into small pieces and worked its way thru the valve body and into the Overdrive servo regulator valve jamming the valve open, when this transmission goes into 4th gear or overdrive the forward clutch releases and if you have no servo apply due to jammed valve you end up with a. Easily share your publications and get them in front of Issuu’s. With the Holley and FiTech units, they have a built in fuel pressure regulator. We have also completed the design and testing for two of our. FiTech's parts are same as GM, Bosch O2's and most of the TBI sensors and parts can be bought at your local parts store. Yes they do accelerate better than a carb and still maintain A/F ratios across the entire rpm band. FiTech Go EFI 4 installed in a 1981 (to 1978 conversion) Trans Am was a success. or moderate, the timing can be advanced to improve fuel economy and throttle response. That along with instant starts and great idle to wot response with no hesitation makes it a win/win. If this is your first visit, be sure to check out the FAQ by clicking the link above. 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. I always get asked what the fuel mileage on my truck is. If there are any questions, let me know. You'll always find the best replacement parts, aftermarket accessories for cars, trucks and SUVs online or In-store. FiTech Fuel Injection System 30002. Performance Improvements is one of the top Fuel Injection Kit & EFI System providers in Canada. Covers all the criteria to consider when starting an LS swap project. Coupled with either the sock ignition box or an aftermarket control box (such as as the Dyna Module or MSD-6A) it is a tough, readily available, reliable distributor. This gives a bit of a guideline. 0 v6 automatic, 265/70R16 tires. Any advice-. Ford first launched the Lightning brand back in 1993, as something just that little extra – mainly performance related – it was part of the SVT sport line up after all!. Thought I would try and jumpstart a discussion about Hi-Performance Straight Eights. story and photos by Daniel Bennett. ETA: Fitech has kits that include ignition timing as well. The WardsAuto Fuel Economy Index showed new light vehicles sold in the U. 7L TBI Chevy Small-Block Hauler, in this Chevy Truck Stock TBI Setup To Edelbrock EFI System Conversion in Sport. That lets you lock out the distributor so the fitech can provide spark timing. Gas mileage is a lot better. The heavy duty design will allow you to feel the extra power gains and will help improve your gas mileage. How to Test Fuel Injectors. However in terms of high-RPM function, it falls well short of ideal. The wire diagrams in the FiTech Manual are on pages 12 with MSD Box and Timing Control and page 13 with stand alone Distributor with Timing Control. If I had to guess it would be around 5-7 MPG improvement. 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. ETA: Fitech has kits that include ignition timing as well. it was slim pickings. 7L L3B turbo four and 3. The results with the manifolding and fuel distribution were certainly not suitable for any engine expected to accelerate a heavier vehicle for longer than ten seconds of time. Heres hoping the Team Buick fellers dont mind me borrowing this great thread from several years ago. 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. You'll always find the best replacement parts, aftermarket accessories for cars, trucks and SUVs online or In-store. This became one of the three most significant aspects of my idle quality improvement (the other two being timing advance & Fuel Table tuning). We have the performance fuel system parts to feed your mill including injectors, throttle bodies and nitrous systems. It was a good swap. Exhaustively researched and tested specifically for IH V8 engines. In stock form, the gains will be on the smaller side of that range while a heavily boosted mustang will see gains on the higher side of that range. As an all-Canadian Speed Shop, we can help you get all the parts you need for your Fuel Injection conversion. 73 gears it might improve more. This is mostly rural roads traveling in the mid 40 to mid 50 mph range. If that's not you then don't worry--we've got you covered. [GMCnet] FiTech EFI looks like the real deal I wind up with more apparent power or better fuel economy, but I would buy this system again just for the difference. If you don’t like it because of its looks, there are options out there. While the LS was originally equipped with factory fuel injection, MSD made conversion to carburetion so simple, that swappers were soon faced with the very same question that plagued the …. Suite A • Riverside, CA 92503 • 951-340-2624 • SITEMAP •. The fuel injectors in your vehicle are designed to spray fuel into the cylinders of your engine where it is combined with air and compressed before being ignited by the spark plug to produce power. The truck is used as a daily driver and I'm not looking from a drop-dead increase in performance. gallons) for gasoline and 13 MPG for E85, 28% worse than gasoline. We have 30 cars for sale for pro touring truck, from just $6,495. 30003 Go Street EFI Fitted my 289 Ford perfectly. 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. I'm in it for the dependability and was hoping to not have a 20% decrease in fuel economy. All parts for the classic GMC Motorhome are available here. Good fuel economy is a direct result of the fine-tuning performed on the EFI system. That was all I ever did to it- it had close to 300,000 miles on it, so I traded it in for my current ride. This ongoing list consists of tech sessions at conventions/rallies around the GMC Community, prepared papers and other technical information. As time goes on, the time-proven carburetor is showing us how antiquated it can be at times with rough. On the return line, I used the original fuel line for the return and ran a new nickle copper fuel supply line. Thanks for the feedback on it. While anyone contemplating a switch from a carburetor will appreciate the instant cold starts, lack of vapor lock issues. I got horrible gas mileage on my 351w. Buy Your Corvette Performance Parts From Ecklers: 50 Yrs Of Corvette Experience. Truth be told, just about any properly running vehicle will pass emission testing. Dodge Challenger on MSN Autos. 00 *Notice: Once you purchase a service, you are responsible for sending in your injectors to. This engine is a mild idling High vacuum (17+ inches) street engine for a stock stall converter automatic with big torque from idle to 4700 rpm it is Idea for a daily driver rod and deluxe comfortable show car. Leaner mixtures here really help the fuel economy, and prevents the plugs from fouling. FiTech 30004 Fuel Injection System in Fuel Injectors & Parts. 0L with L92 heads on our 2003 SSS with a TVS2300. Purchase your Restomod transmission parts today at CJ Pony Parts. Along with those savings, you will also add Horsepower!!. 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. 5 mpg/tank and I do about 75% highway, 25% other. Pypes Performance Exhaust is the manufacturer of exhaust systems, headers, downpipes, mufflers, x-pipes and more for your classic or late model muscle car. This list is made up for my Volvo VNL 670 '04, 13sp manual. Due to the current state of the economy I cannot afford this for too much longer. Heres hoping the Team Buick fellers dont mind me borrowing this great thread from several years ago. The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. 560" lift (up from the. Greatly reduced emissions. Many believe that performance is best with a carburetor while others insist that the only way to go is with fuel injection gasoline. NEXT GENERATION EFI When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrock's Pro-Flo 4 EFI systems. AutoZone is the leading auto parts retailer. You'll always find the best replacement parts, aftermarket accessories for cars, trucks and SUVs online or In-store. Heres hoping the Team Buick fellers dont mind me borrowing this great thread from several years ago. But with 3. GT500 Injector Resizing - Up to 95 LB @ 3 Bar. If I could gain 4. i have put in shop twice and they could not figure out problem even after they clean fuel system and change EGR valve. I got about 3 mpg improvement when I added vacuum advance. In this case, and most any 250-450 HP 6 cylinder diesel that uses an ND EP-9 type or Bosch P7100 fuel injection pump (or a system of similar design), just assume the fuel flow is about 1 GPM. 5 ratio rockers) and it runs like a beast. It was not long before I was getting 12. You could retrofit a throttle body and fuel injection system designed for a 1980s 454 Chevrolet truck, but it would obviously require some fabrication on your part. I really wish I had been able to support troll on my conversion but it was before this thread took off. Brake specific fuel consumption (BSFC) is a parameter that reflects the efficiency of a combustion engine which burns fuel and produces rotational power (at the shaft or crankshaft). 0L in the current crop of 2500's, you have a winner. We're always looking for ways to improve fuel economy and performance in classic Mustangs. Need a custom chip if you use any camshaft or cylinder head other than Edelbrock. I do drive it pretty hard though. Fitech or GM TBI Bronco Tech. Again this is a guess as I have seen people drop mileage and even triple mileage! You have the ability optimize your AFR (air fuel ratio) to best suite your engine. • 2:1 improvement over "points" in current fall time for increased coil output. Everything is fine until you're up against a track that's greasy after the launch pad or provides conditions that resemble a mine shaft. Re: Part modifications for MPG improvement? Well the easy "mods" are. 30003 Go Street EFI Fitted my 289 Ford perfectly. 5 mpg/tank and I do about 75% highway, 25% other. 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. Self learning EFI gives you a safe, middle of the road tune most of the time. I know its not a Prius but I wouldn't mind a little better mpg. Higher engine speeds are also subject to higher aerodynamic resistance to the engine's internal parts as it has to cut through the air inside the engine. We capture the magic when man and machine intersect. 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. Our favorite single-dose cleaner is this BG solution:. Run it at 50 – 60 MPH for a while, up hill if possible. With higher gas prices here to stay, people are looking for ways to improve the gas mileage of their vehicles. Our remanufactured Chevy 4. Brake specific fuel consumption (BSFC) is a parameter that reflects the efficiency of a combustion engine which burns fuel and produces rotational power (at the shaft or crankshaft). Probably one of the most popular transmission exchanges that are being performed on ’60s and ’70s Ford cars and trucks involves using the Ford AOD or automatic overdrive. Greatly reduced emissions. I have seen that it is possible to improve this towards the 22 mpg. I also swapped in a TH-350/stock convertor as it had also been updated including a nice shift kit plus I had tuned it to shift right at 5000 consistently at WOT (the TA was originally a 301/4-speed car), 3. correctly, poor throttle response, poor fuel economy etc… Many of these running issues can be solved by a simple adjustment! Aside from being out of adjustment, the TPS can just plain wear out or break internally. I run a 700r4, 33s & 3:78 gears and cant seem to get any better than 10mpg. I'm in it for the dependability and was hoping to not have a 20% decrease in fuel economy. I take ABSOLUTELY ZERO CREDIT for the length of material you're about to read, however I have made a few comments in-text that you can see which I will highlight in green. 08 l/s, Perforner intake, 600 Holley VS, cheap Casler. We'll show you how we tuned a 4L65E to give us both a much more aggressive downshift schedule as well as a much cleaner and smoother short-shift schedule at light throttle that saved us a bunch of fuel during part-throttle cruise. Possibly a slight mileage improvement - but honestly this is the fun car, it only gets driven for fun and mpg is usually not on my mind when doing so. The heavy duty design will allow you to feel the extra power gains and will help improve your gas mileage. Well help is on the way in fact, its been around just buried. Story and photos by John Kiewicz. If you want people to turn their heads when you drive by, make sure you Blow It Out Your Pypes!. FiTech EFI fuel injection is produced by the number one and America's oldest speed shops, Speedway Motors. Since the mid-1980's, carburetors have basically disappeared from production cars and trucks. I have a 4x4 TRD Off-road , 4. On the return line, I used the original fuel line for the return and ran a new nickle copper fuel supply line. I recently converted from a Cliff's 800CFM Quadrajet to a FiTech EFI system. The glove box now occupies space behind the seats formerly. By the way, after resolving this issue, I completely reset the FiTech ECU and had it ‘relearn’ the fuel maps by driving around a bunch in mixed regimes. FiTech Review: Reviewing difference between GO Street EFI vs GO EFI Performance Improvements Fuel Injection Kits & EFI Systems Canada. It's almost strange how smooth it is and it fires right off without touching the gas pedal. Looking forward to using a dual quad FiTech on a tunnel ram with a FE Power adapter. This kits contains every thing that you will need to convert your Scout V-8 from carburetor to fuel injection. It seems every Fitech I know of has had a slight issue. Congratulations to ThirdGen. This engine build may look pricey but that is an illusion brought about by the billet March belt drive system and the polished accessories. If I had to guess it would be around 5-7 MPG improvement. The products featured in this review are the FiTech 30002 Fuel Injection System and the FiTech EFI 40003 Fuel Command Center system. I trust many guys will find this list. Please follow the post completely for details of the process. The AOD was used originally on ’80s and early-’90s Ford, Lincoln and Mercury products and in the F-series pickups and E. Maximum power is generated with an air/fuel ratio by weight of 12. 5:1 compression on a proper. Provides great starts, drivability, and fuel economy. To dismantle the FITech unit’s pressurized fuel rails, there are two large 1/4-20 socket head cap screws on either side that need to be released, and then the things pop up upwards at a 45 degree angle. 0L from a 92 Mustang and 5 speed from a 84 Capri. 0 miles per gallon. However, it starts easily, even now with the colder weather without using the choke. 5 HG and don't work properly without some pressure drop. 6 roller rockers provide. [GMCnet] FiTech EFI looks like the real deal I wind up with more apparent power or better fuel economy, but I would buy this system again just for the difference. Some improvement in highway fuel economy, but not much. or moderate, the timing can be advanced to improve fuel economy and throttle response. Decided to try out EFI and Fitech seemed to have a good, basic kit. 73 gears it might improve more. If there is a notable fuel economy gain I can help justify the cost in the future. MolecularGRIP™ Technology for adhesion improvement (video) • Biomolecule immobilisation (video). They also complain they only got a 2 mpg improvement in fuel mileage. Read honest and unbiased product reviews from our users. However in terms of high-RPM function, it falls well short of ideal. i've also not had one hooked up to ported vacuum stumble unless the advance isn't working. Silvester V8 Performance has a proud history supplying American V8 performance engine parts and racing equipment for the NZ market for over 40 years. Wideband: Not a big surprise we lost a bit of fuel economy with the Torker II intake as this it nowhere near it's intended purpose. Almost immediately we saw an improvement in the A/FR. We tried it, and the results were great! It wasn't long ago that tuning engines was seen as a black art: the preserve of boy. I take ABSOLUTELY ZERO CREDIT for the length of material you're about to read, however I have made a few comments in-text that you can see which I will highlight in green. We have done an LQ4 swap on our 72 K5 and it is running a TVS2300 on it, we have a 6. Not straight back or straight upwards. FiTech's number for this recall is 18-01. If I could gain 4. What Causes High Carbon Monoxide (CO)? Below are common faults which are likely to produce high Carbon Monoxides (CO) and Rich Fuel Mixtures. Along with those savings, you will also add horsepower. Some of these techniques may not be applicable to some other configurations. Because that's what most people want. To determine which is best for your vehicle, it's. Anyone with a street car see a MPG improvement with a FiTech system? I didn't see a single MPG improvement with the Quick Fuel QFI system I used for a while over the Quick Fuel SS 680 vacuum secondary carb on there now. Shop replacement K&N air filters, cold air intakes, oil filters, cabin filters, home air filters, and other high performance parts. May 2nd, 2017, 03:56 PM. 5 to 1 while normal cruising the ration should be 15 or 16 to 1 for maximum fuel economy and the engine runs neither too rich or too lean. If you don’t like it because of its looks, there are options out there. 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. Modern EFI Tuning and Old Skool Drag Racing HorsePower brings in a modified, late model Corvette to demonstrate the latest in high-tech engine tuning. Unrestored 1973 International Travelall 1010 Custom for sale on Hemmings. In stock form, the gains will be on the smaller side of that range while a heavily boosted mustang will see gains on the higher side of that range. Bang for the buck, the Duraspark II distributor is hard to beat as a triggering devise for an electronic ignition system. Please follow the post completely for details of the process. Typically in the FSI engine a compression ratio of 12:1 to 13:1 is used, much higher than normal petrol engines. 3 liter engines are being shipped daily to warranty companies, Chevrolet dealerships, engine repair facilities and directly to Chevy vehicle owners. My model of the FiTech does not have ignition timing control, but does have rad. correctly, poor throttle response, poor fuel economy etc… Many of these running issues can be solved by a simple adjustment! Aside from being out of adjustment, the TPS can just plain wear out or break internally. A high-output fuel pump, typically pumps at pressures up to 14 psi with some going as high as 25 psi. We didn't simulate that specifically in our mileage test, but our guess would be that any of these systems would deliver far-superior around-town mileage, showing perhaps 2-4-mpg improvements. 00 *Notice: Once you purchase a service, you are responsible for sending in your injectors to. It is now widely considered to be the best rendition of the finest overdrive automatic transmission ever produced. My 455 got 16. So, you tried a bottle or 3 of these "cures in a can" and things didn't improve a bit. Was worried that the 195 wide tires would not be up to the job, but the 200 TW seems to compensate and the car scoots just fine when doing rolling starts, I am not one to sit and do smoky burnouts knowing where tire$ come from. How to Fix a Car That Stalls. We're always looking for ways to improve fuel economy and performance in classic Mustangs. Go EFI 4 600 HP System Power Adder The Go EFI Power Adder 600HP Kit is for the enthusiast that demands more from his system or is planning a future upgrade This system is capable of 25 lbs of Boost right out of the box and can be used in a blow thru turbo or blower application or on a single roots style supercharger. Its combination of massive power, light weight and impressive fuel economy set new precedents for performance engines--and continues to do so generation after generation. Canadian pricing, no duties, free shipping Canada-wide. Fitech Fuel Injection 30008k1 Meanstreet Efi 800 Hp Throttle Body System Basic K. Fitech Fuel Injection 30008 Meanstreet Efi System 800 Hp. 050" on the intake lobe will generally dictate where the power curve will occur. Our remanufactured Chevy 4. FiTech Go EFI 4 installed in a 1981 (to 1978 conversion) Trans Am was a success. This became one of the three most significant aspects of my idle quality improvement (the other two being timing advance & Fuel Table tuning). I haven't been on a trip yet with the new plugs but I bet they are up around 22-23 mpg on the highway. 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. Everyone says the drive-ability and starting is awesome. My son runs a Sniper on his truck and an MSD on his Cobra and they both have been trouble free. I'll throw another option into the discussion; FiTech fuel injection. If the mass is the constant, the same power put down to the ground will accelerate it at the same rate, whether or not that power comes from a 4 cylinder @ WOT, or a big block @ 20% throttle. I would get your car out on the road and run it, not real hard but make it work a little. I'll never go back to a carburetor. I got horrible gas mileage on my 351w. I highly recommend you make some internal improvements to the HEI unit while you rebuild it. Why Put an EFI in Your Off-Road Vehicle? 13 If you’re against fuel injection due to complexity, you no longer have anything to worry about. And "Guido" has 262,000 on the clock, still gets 20 MPG, and burns little oil. Fuel economy isn't a major concern. Admin on August 6th 2009, 2:05 pm People often complain of poor gas mileage from the DPs because they. There have been quite a few of these put on the RB Mopar motor and mostly in muscle cars. 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. 0 (and TH400) was 11-12 MPG going to/from Somerset KY cruise in. This kits contains every thing that you will need to convert your Scout V-8 from carburetor to fuel injection. Mine works, running the mean street, supposed to handle 800hp. First of all, let me repeat the old saying "there's no replacement for displacement". I'm in it for the dependability and was hoping to not have a 20% decrease in fuel economy. so I will test that when I pick it up tomorow. The short list is: New cage - will be a new production cage for D and C New front winch bumper - Will most likely also be a production bumper for D and C. Drain and fill to 1/2 way between L and F brought the mpg back up and then some. I understand they licensed the idea to FoMoCo and ChryCo as well. Almost immediately we saw an improvement in the A/FR. Edelbrock's new E-Street EFI is a self-learning fuel injection system that can take away all of your carburetor woes and replace them with reliability, drivability, and better fuel economy - even on this '67 'Vette. Oil level was above the F mark by about 3/16" of an inch when I experienced significant reduction in fuel mileage. More fuel efficient. I gained 2 MPG from the carburetor. Holley's base calibrations are not designed for good fuel economy. Learn about Car Parts & Maintenance on reference. The old systems on a Foxbody do not have the advanced security barriers that newer cars have, and one will easily be able to get into the system. That is a very subjective question, as the manner in which an automobile is driven directly affects engine life. They have the ability to control your timing in a more precise way than the Fitech. Now with the Holley and FiTech, you can dead-head these units, meaning not run a return line. We design and engineer automotive fuel injection products for. Dual Plane: 3/31/2019: Single Plane vs Dual Plane. 00 *Notice: Once you purchase a service, you are responsible for sending in your injectors to. As better oxygen level means better combustion and rick fuel/air mixture will burn properly and you get more energy out of every drop of fuel hence increasing mileage. MolecularGRIP™ Technology for adhesion improvement (video) • Biomolecule immobilisation (video). After installing the Sniper and running for a few weeks with the initial air/fuel settings as mentioned, I saw roughly 1 ½ to two-miles per gallon increase. As you can see from the graph, this. I recently converted from a Cliff's 800CFM Quadrajet to a FiTech EFI system. My 455 got 16. 8-liter engine. this system will support up to 525hp carburetor adapter is needed. Toyota Land Cruisers have a legendary reputation around the world for their durability and off-road prowess. Also – don’t be afraid to try running a lean 13. The richer the air-fuel ratio is with your carburetor - the better the fuel mileage improvements you will see with EFI. 3,500 miles on it so far. 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. I also have no impression that it is too rich, though I say so myself. Here at the Power Automedia garage, we've installed and tested the Terminator on a 383-powered K5 Blazer, and appreciated the improvements in drivability, fuel economy, and performance we experienced thanks to the swap. I get about 12 mpg in the Titan. Fine for most street cruisers. Fitech or GM TBI Bronco Tech. Decided to try out EFI and Fitech seemed to have a good, basic kit. If I had to guess it would be around 5-7 MPG improvement. Exhaustively researched and tested specifically for IH V8 engines. The best part about it is I get 4 more miles per gallon in the Corvette and 3. Toyota Land Cruisers have a legendary reputation around the world for their durability and off-road prowess. How To Get A Car To Pass Emission Testing A frequent cause of heartache for technicians, and car owners alike, is the failed E-test. Rounding out the exterior changes is a set of new 20-inch 6-spoke polished. Offroad Build Threads The Build Thread area is for you to keep a closed thread detailing your work on your projects. The biggest difference I can point out is that with the GM TBI you get a chip burned/programmed for it. MIRACLE MAGNETS. The 1969 Jeepster we used for this exercise in modern fuel delivery was powered by the venerable, but still carbureted, Buick 261ci V-6, a common enough engine in Jeeps of the day. I know I can get way better fuel mileage with my quadrojet. While anyone contemplating a switch from a carburetor will appreciate the instant cold starts, lack of vapor lock issues. You can achieve similar performance from a TBI/chip for less money BUT you'll need larger injectors to match your power output. Technical Presentations | Papers. FiTech Go EFI 4 installed in a 1981 (to 1978 conversion) Trans Am was a success. Why complicate stuff further since the multiplier doesn't work on the LS2 GTOs. This became one of the three most significant aspects of my idle quality improvement (the other two being timing advance & Fuel Table tuning). I put on on my '55. We capture the magic when man and machine intersect. I haven't noticed any issues with it, but I'm wondering whether it's causing any damage or reducing gas mileage or. Re: Part modifications for MPG improvement? Well the easy "mods" are. Suite A • Riverside, CA 92503 • 951-340-2624 • SITEMAP •. Easy to install, had a small problem with the sending unit but got it all figured out. These really are the best headers for your Custom Chevy Truck. There are many forces pushing to improve heavy-duty truck fuel economy, from new government standards to cost-savings efforts throughout the industry.