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. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. If you don't mind a "dirty" PCM case then we can take care of an order for you. Is it actually running at that RPM or just showing that? We will safeguard your e-mail and only send content you request. However, Chevy still offers the 454 big block V8 as a crate engine. If you send your ECM in, we can make the necessary adjustments you are requesting. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . Stage 1 Upgrade for Mercury 525 EFI. 496 cubic inches. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Check for Availability: $349.95. Is the Vehicle Control Module an ECM by another name? My question is what cam you would recommend for towing? How much can you get them for? 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. Cost would be $495. Yes, we can tune your L21 for similar gains as with the L29. Only a set of dyno headers and an electric water pump were different. 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. Hi Warren, that is definitely something we can tune for. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Installed E3 spark plugs which seemed to help. Explore Our Forums. CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Best, least expensive way to get more power out of this engine is with our custom tune. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. But don't despair. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. Really? 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! 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. 98 Single Rear Wheel 3500 7.4 Vortec. . 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. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. I have a 98 C-3500 dually with a Vortec 454. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. high flow intake elbow, filter and MAF I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. I do some pulling but mainly driving with this truck I have a factory y pipe with no cats and dual 3 inch flowmaster mufflers. I recently ordered an ecm for a 7.4 vortec and was very impressed. Also I have Thorley tri Y hearers on mine will that effect the tune? GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each Learn more. merci. from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Return shipping is included , you are responsible for shipping to us , however if you choose the "core charge" and order the ECM , we can provide a return shipping label for your core and deduct from the core refund. Headers suggested. Weve seen a few 1996-1997 PCMs with this issue. $199.95. is this unit ready for plug and play. In 2001, production of the 7400 line was discontinued. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. It will be plug and play. 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. Roller Lifters 5. The heads, pistons, and intake are stock. Yes, we tune for 87 octane unless a higher octane is requested. They seem to be similar to those used in your RV work. Is the pcm that is used a 411? Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Choose FORTEC 4x4 for Jeep Wrangler JL and Jeep Gladiator JT Customizing - Highly trained Specialists Since 1991 Each Jeep we touch brings you the greatest quality, functionality and performance We offer Jeep Turn Key Solutions, Jeep Parts and Jeep Accessories in Partnership with Jeep Dealerships in Atlanta and Florida What type of gains could I expect with a tune for this? Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Buy your Innovative Performance Chip/Power Programmer at Amazon! 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. 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. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Can you reprogram and net me the same HP & TQ numbers as the L29? If you choose the core option we will program an ECM here and ship to you. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. Truck is stock otherwise and runs good just looking for more out of it. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. At times I get a dtc for bank 1 and 2 too rich. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. When it shows 55 MPH your actually going about 57 to 58 MPH. I fought this truck with the cats deleted and air pump disabled. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Thank you for any information you could give me. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). We use cookies to ensure that we give you the best experience on our website. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. That is the difference between cookie-cutter and custom! Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Performance Street, great low to mid-range. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com I have a 2000 OBS Chevy quad cab with a 454 Vortec. I am ready to pull the trigger if I continue to run 87 octane fuel. Your email address will not be published. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! Just make sure to include that information in the order comments and we can make that happen for you :). Cats have been removed as well as smog pump. If you send us your PCM, our turn around is usually 1-2 days. Check if this part fits . 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. 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. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. I've made several performance upgrades myself, but are always looking for something better. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. My car is GMC pick-up 7.4L 1998. it is manual transmission. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. New 2-Piece Intake Manifold w/Long Intake Runners 7. 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. Temperature measurements taken before and after the carburetor revealed that the fuel cooling dropped the intake charge temperature from 235 degrees (before the carb) down to 120 degrees (after). Please just leave in the order comments your requests to be done. Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. Feel free to call me with your vin # handy if you would like to get your order in. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. How much will the customization cost me? I wish we could say for sure that you will be able to see a nice gain but we try not to over-promise on that. I just bought this 97 suburban 4wd with the bbc. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. Yes, we can resolve your issues. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. We can do the tune now with the Banks kit taken into consideration for down the road. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. If they were cheap enough, sure. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. Project Boneyard Boost was one of those rare occasions where we got to apply a massive infusion of power to a motor that cost next to nothing. Could you do a downstream 02 sensor delete? So if I have your tune done what is the turn around time sending my PCM to you? I am doing a full engine swap from a damaged motorhome to my older motorhome. The Vortec 454 was touted as having substantially more power. Apr 10, 2008 #5 M MyBoTy Veteran Member Gasoline engines do not require different settings for different conditions like a diesel engine does. 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. It is unlikely that the Vortec 454 accessories will clear the hood. I have a 2000 3500 454. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. $360.56. Install a high-flow air filter and a cold air intake. Yes, we can tune your ECM. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. After selecting a motor, we set about making the necessary changes for our test. Hot Rod And remember, thats all without touching the bottom end. For this one, I would want you to send your PCM into us to be done. The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was an extremely powerful gas guzzler that should have remained obscure after the 1973 oil crisis. 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? And what is the final cost of your ECM. 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. GAS MILEAGE. Reasons to buy: Probably cause no cats. Yes, this would be the compatible ECM with your VIN and part #. It is an all-iron engine (block and heads . It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Without going into the engine, they make a supercharger kit for it, I know whipple use to. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Thanks.
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