im wanting /needing power and torque. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills Typical turn around is 3-4 days, sometimes quicker. Wiring is the same. This ignition system upgrade will allow you to set your distributor for a little more timing advance. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. cam with matching torque converter and headers would be easy. I called Banks Power last week to try and find out what they recommend. . 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. The Gray, the green with white strip and the black test grounded. I have had a hard time finding much of anything for these engines. If they were cheap enough, sure. 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. Normally, advancing the distributor would increase octane sensitivity and possibly fuel economy, but the upgraded ignition system will allow you to do so without adversely affecting fuel burn or horsepower. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA The 8th digit of your VIN is the letter "D" which designates your engine as a 7.4L LP4 which is different from a normal L29 7.4L. 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. 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. It may not display this or other websites correctly. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing. We gain on average 45-50 horsepower and 50 ft. lb. The heads, pistons, and intake are stock. Performance. Could you do a downstream 02 sensor delete? This is a crew cab, 8 foot bed. Straight Port Cylinder Heads 6. All above engines equipped wit Hydraulic Roller Lifters. Switched to Mass-Air Flow. We use the original black box PCM's. I have a GMC PCM service # 16238212 for a 99 Topkick w/7.4L 454 gas engine; and was wondering if you are able to repair these PCMs/ECMs or have an equivalent I can replace it with? Forget the typical race-motor build up, Boneyard Boost was all about force feeding some tired, high-mileage workhorse we purchased for the paltry sum of $500 ($250 on half price sale weekend!). Hello I have 2000 GMC k3500 Truck. Seems like it's lacking power towing my boat. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Gasoline engines do not require different settings for different conditions like a diesel engine does. my old part number on ecm is 16263494 on 1999 454. If I send yall Parts list of what kind of cam, injectors, pistons, etc. We can do the tune now with the Banks kit taken into consideration for down the road. If you want to send your PCM in that you know is functional, that is the best way to do it. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Install a high flow air filter and cold air induction intake. I have a 98 C-3500 dually with a Vortec 454. He eventually figured it out. Is the pcm that is used a 411? I have a 2000 7.4 with a bigger cam cold air kit dual exhaust better mass air flow senser and roller tip rockers can u tune that as well or do you just do stock stuff, I have a 99 k 3500 Chevy 1 ton with 454 5 speed.will your computer tune work in my truck and can I expect 40+hp gain? 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". I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. TQ with those modifications done. Your vehicle is not compatible. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. The air filter is easily removed, cleaned, and reused. The Muscle Automobile Period had come and gone before the 7400 series debuted. We only specialize in the big block engines. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. If you don't mind a "dirty" PCM case then we can take care of an order for you. The Vortec 454 was touted as having substantially more power. Do you still tune the 96 ecm? torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. It was not a good moment to debut a big cubic-inch big block designed for performance vehicles, but the Chevy 7.4 made an impact nonetheless. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. Stronger shift points for towing and power. Most ordersare shippedwithin 24 hours from the order date. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. . But don't despair. Free shipping for many products! We do not go further back than 1996 (OBD2) modules, sorry. New 2-Piece Intake Manifold w/Long Intake Runners 7. Explore Our Forums. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. Even better than the big peak gains was the fact that the cam swap . A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Gains with the modifications you have done would be around 45 HP/ 45 TQ. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. We have a complete Banks Power System and Banks Air Flow. My car is GMC pick-up 7.4L 1998. it is manual transmission. Roller Cam, .483 Lift . 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. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. $399.99. You can pretty easily get 400+ horses out of that thing and it be streetable. 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. performance, modifications, classifieds, troubleshooting, maintenance, and more! We are currently waiting on more ECM's to come in to be able to provide them on exchange. 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. Yes, it definitely will. 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. Unfortunately this is not something that we offer. merci. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. A windage tray, which is cheap and simple to install, can help to keep oil in its proper location by keeping the rotating assembly balanced. Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. We set it for the best performance in all conditions, it is not user adjustable. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Install a high-flow air filter and a cold air intake. Cost would be $495. 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. So, what are the most common problems with the Chevy 454 Vortec? Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Reference core exchange, what is the time limit for you to receive the exchange? The vin is for a 2004 gmc 1500 with a 5.3 vortec. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. Install an aftermarket windage tray in your engine. BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and .
