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. 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? 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. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. Having tried the things you already have, I am pretty confident the issue is the PCM. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! Very interested in this. 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. That represents a 70-percent increase in horsepower. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. We will safeguard your e-mail and only send content you request. 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. We are currently waiting on more ECM's to come in to be able to provide them on exchange. 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. We can do the tune now with the Banks kit taken into consideration for down the road. 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 . It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Our kits include camshaft, lifters, piston rings, pistons, both rod and main bearings, cam bearings, timing components, oil pump, frost plugs and gasket set, with an option to purchase a crankshaft as well. I have a vortec454 in a non smog az tow vehicle. We use cookies to ensure that we give you the best experience on our website. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. It was bone stock 2x4 extended cab dually. Yes our tuning does work for trucks as well. Always a big complaint with 454 TBI trucks. That extra air entering your engine must go somewhere; a full aftermarket exhaust system like this is always beneficial to fuel efficiency, especially when combined with a freer-flowing intake.
L29 Vortec 454 power? - Don Terrill's Speed-Talk Check out their web sight Bankspower.com Is the pcm that is used a 411? Free shipping for many products! Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. 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. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. Thanks for any help. And what is the final cost of your ECM. If you send your ECM in, we can make the necessary adjustments you are requesting. The old, weak 240 HP 454 is every bit as.
454 HO Crate Engine | Big Block | Chevy Performance Parts - Chevrolet This is a lie. 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. Yes, we can tune your L21 for similar gains as with the L29. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. I heard these trucks have a torque management system does this computer give my truck back all its power?
Vortec Big block performance upgrades. - GMT400 Thanks. Do a 12 swap and be done. 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. Banks iDash: SuperGauge & DataMonster. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. You can source the 454 HO directly from Chevrolet. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine.
1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers 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). will i notice anything? So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. Would we still get the good price when you get more control modules in stock? That just won't do. Is it possible to get the newer 0411 with your tune for my truck. I have a 2000 gmc k2500 with the l29 454. How much will the customization cost me? will your new part ecm work on this motorhome. Change to a synthetic oil that is light-weight. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already.
BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. We removed the factory EFI injection, and replaced it with simple carburetion. Alright Jay! Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off?
Opinions On the 7.4 / 454 Suburbans and engine - Expedition Portal How To Add 70 Percent More Power to A Chevy 454 V-8. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Install an aftermarket windage tray in your engine. 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. Do you still tune the 96 ecm? GAS MILEAGE. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. It would be a good idea to re-tune for the Banks and injection systems. 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 I have a 2000 GMC school bus with the L21 7400 motor. All fuel injector specifications meet or exceed the manufacturer's specification standard. Is this doable? Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. The Gray, the green with white strip and the black test grounded. I fought this truck with the cats deleted and air pump disabled. That is the difference between cookie-cutter and custom!
7.4 and 8.1 vortec hp and tq ratings | Diesel Place Not only did the cam swap net an additional 52 horsepower (peak-to-peak), but the gains exceeded 80 hp higher in the rev range. a good set of headers help to. At times I get a dtc for bank 1 and 2 too rich. The Vortec 454 was touted as having substantially more power. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. We can adjust for speedometer error. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Some parts are not legal for use in California or other . I want to install a cam while you have the ECU. Also I dont have either downstream 02 sensors. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. Or if I pay to send in, is the return shipping included in the $495? 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. Hello!
BBK 1710 80mm Throttle Body - High Flow Power Plus Series GM Vortec 305 Windage trays are thin, sheet metal plates that fit over the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. In 2001, production of the 7400 line was discontinued.
Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems 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). I dont have the 2000 VIN only the VIN from my 1995.
Parts overview- James L29 Vortec 454 build Ep2 - YouTube I have a 2000 OBS Chevy quad cab with a 454 Vortec. They seem to be similar to those used in your RV work. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. 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? 1996 c3500 dually 7.4 with 5 speed.
Chevy 5.7 Vortec Engine Performance Upgrades vortechsuperchargers.com. I sprayed starter fluid in the tbi and it fired up for a few second. Reading some of your responses I came across one with regards to a 1996. Et si je devrai faire recalibrer mon ecm? The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. If you send us your PCM, our turn around is usually 1-2 days. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. . Would the retuned ECM provide any performance gains above what are present now? A stock 12v ain't got **** on a BBC. So if I have your tune done what is the turn around time sending my PCM to you? 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. My car is GMC pick-up 7.4L 1998. it is manual transmission. As long as the engine is well maintained, reliability is not affected. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. What type of gains could I expect with a tune for this? The main improvements will be improved shifting and overall more torque to pull hills. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Buy in monthly . I have a uhaul topkick with the 7.4. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. PART NO.
Hot Rod decided to bolt up some typical speed parts. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. The state of California requires that this warning be posted for people purchasing products that reside in California. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. We are not able to assist in providing this PCM. We can easily do this with the specs you provide. This ignition system upgrade will allow you to set your distributor for a little more timing advance. 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.