Your email address will not be published. Check back with us as we plan on adding a set of Brodix Race Rite aluminum heads to the mix in Part 2 of Project Boneyard Boost. Check the make, year, and model of your car to see if the VIN number is available. The 454 cubic-inch 7400 Vortec V-8 GM motor, which produced 290 horsepower at 4,000 rpm and had 410 pound-feet of torque at 3,200 rpm, was a smooth four cylinder without much difference between the top and bottom. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). If you send us your PCM, our turn around is usually 1-2 days. My tech who does the programming is out of town this week so it would get done first thing next week if you wanted to go ahead with it. Having tried the things you already have, I am pretty confident the issue is the PCM. Wiring is the same. In our quest to locate a suitable 454, a typical rip to the wrecking yard revealed at least three of the four available big-block combinations. Gasoline engines do not require different settings for different conditions like a diesel engine does. Yes our tuning does work for trucks as well. Prices increase after 2/28. The banks system will give you 70hp and 85lb-ft. Im also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. They seem to be similar to those used in your RV work. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. We have no issues with tuning a higher mileage engine as long as it is in good running condition. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. We can also take care of the TQ management for you. I am considering your tune for my motorhome. The Muscle Automobile Period had come and gone before the 7400 series debuted. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. This thing is weak as water. Even better than the big peak gains was the fact that the cam swap . The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. Do you still tune the 96 ecm? Just wondering because Id buy one of those as well. This project will also let customers know if spendintg approx $2300 on all these upgrades is going to give them the results they need from their big block engines. Just worth mentioning. While we do get reports back of fuel economy gains, that is something we can not guarantee as there are just too many variables that can affect an RV's fuel economy. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. Only a set of dyno headers and an electric water pump were different. Is this enough information to create a tune or will you need more information? Is it not the same motor from 96 to 2001. Hot Rod decided to bolt up some typical speed parts. Body Diameter: 16 mm. Anything that will help the performance. I didnt see anything on the site but that doesnt mean I saw everything. The tire are one size larger than stock to the speedometer is off a little. He eventually figured it out. The air filter is easily removed, cleaned, and reused. So, what are the most common problems with the Chevy 454 Vortec? The Gray, the green with white strip and the black test grounded. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. It will be plug and play. 3. Any "recalibration" would require sending your ECM to us for programming changes. The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. Can I reprogram on the fly as conditions change and performance needs warrant a change?? Also the torque management. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. If it does work what would do for pulling and climbing hills? If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. Even stock we see impressive gains but even more so with the Banks PowerPack installed. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. This modification won't be cheap or easy to install, but will eventually pay for itself if you do a lot of towing or drive a lot of miles. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. That just won't do. It was produced as a gas alternative to the new Duramax LB7 diesel, offering a high-torque gas engine capable of towing just about anything. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. I'm interested in the available upgrades for the vortec 454. Next best upgrade you can make is the Banks TorqueTube headers (, We recommend these injectors:https://www.fiveomotorsport.com/bosch-oem-454-j-code-884-black-knight/. This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. do you think I could get more power with your ecm re-program? Dollar for Dollar, it is highly unlikely that the $2400 for a full blown Banks Power Package would yield the same cost/benefit as say the addition of the UltraPower GM / Workhorse 7.4L (454) Custom Tuning module. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* Free shipping. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. 1997 gmc 3500 cc dually. You will gain approximately 35-40 horsepower and 45 lb-ft torque. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. . and will it improve my over all power? Steel Camshaft 4. We removed the factory EFI injection, and replaced it with simple carburetion. The Vortec 454 was touted as having substantially more power. Would we still get the good price when you get more control modules in stock? 16238212. Yes it would, the Banks PowerPack is helping the engine breathe better but the computer is not doing anything to take full advantage of it. Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. The stock Vortec iron head will not tolerate more than .440-inch lift. That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. Does this upgrade have a negative or positive impact on engine life? We can adjust for speedometer error. If you send it to us you avoid paying the core charge. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. We can send a pre-programmed ECU on core exchange. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. what does this do at emission inspections?? The main improvements will be improved shifting and overall more torque to pull hills. That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. Free shipping for many products! The issue with your tachometer would only be fixed if there is an actual issue with your PCM. The Vortec 8100 (RPO L18) is a V8 truck engine. As you can tell, it doesn't deliver much. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. It is quite a noticeable difference! I know that my question is very reduntant but I need to ask it .I pull a trailer and want a little more tow po1wer. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. We appreciate it but we only specialize in the big block engines. And a k and n filter. Performance. Pace Performance Products in Ohio put together a decent upgrade. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Install a high-flow air filter and a cold air intake. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. is this unit ready for plug and play. With the 454, putting in Vortec 350 code and chaning the displacement and enter in the tables/constants/switches appropriate to the 454 is all that is needed. I heard these trucks have a torque management system does this computer give my truck back all its power? Would the retuned ECM provide any performance gains above what are present now? Reasons to buy: Now, that poses the question: what would you shoehorn this big-block Chevy into? I dont have the 2000 VIN only the VIN from my 1995. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. merci. There is a small red wire that has never been connected to anything. And performance tune? Thank you. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. K&N fuel injection performance kit. Please see our shipping terms for more information. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. Are the tunes generic or do you change different things for different people? I know they were installed in trucks from 96- 00?. Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. We can easily do this with the specs you provide. We are currently waiting on more ECM's to come in to be able to provide them on exchange. I am doing a full engine swap from a damaged motorhome to my older motorhome. Is there any way I could send you that one as a core in return for one to work in my 2000? Buy your K&N PF-1000 Fuel Filter at Amazon! Aftermarket hood are hit and miss, we did find that the integrated airbox arrangement of the Suncoast hood played havoc with clearances that were confirmed to fit within the factory underhood bracing. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. performance, modifications, classifieds, troubleshooting, maintenance, and more! oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. At times I get a dtc for bank 1 and 2 too rich. Straight Port Cylinder Heads 6. You can definitely hold on to your PCM, that is not an issue. If you continue to use this site we will assume that you are happy with it. The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. The only way to know for certain would be to pull the ECM and send to us so we can read it out and check. Most ordersare shippedwithin 24 hours from the order date. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car.
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