Do you have identifying marks on the ECU? my ecm has to be replaced. 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. 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 The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. 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". Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the average car guy. 454 L29 Power Upgrade. I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. 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. Also the torque management. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. Buy in monthly . If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. Do a 12 swap and be done. Gasoline engines do not require different settings for different conditions like a diesel engine does. watch out for chips as they just bump the fuel curve. Makes NO permanent changes to your vehicle's computer! . The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. I wouldn't mind an EGR delete for the part throttle improvement and a cleaner intake, but mostly I would like to keep everything else functioning, I am looking for more torque below 3,000 rpms, ideally in the 1500-2500 range, because almost all of my driving is in that range. It will be plug and play. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. I am certain we can get more power and overall better drivability with our tuning versus your current setup. The heads, pistons, and intake are stock. . We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. The engine receives cooler, more oxygen-dense air through a chilly air induction system. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. 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. Can you guys tune that ecm? 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. The stock Vortec iron head will not tolerate more than .440-inch lift. It is unlikely that the Vortec 454 accessories will clear the hood. 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. Just make sure to include that information in the order comments and we can make that happen for you :). Anything that will help the performance. $399.99. 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 Pindar Please just leave in the order comments your requests to be done. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. They also installed roller lifters, heavy springs and chain/gears. Hello! I installed a K&N replacement are filter in the stock air box. Prices increase after 2/28. Can I reprogram on the fly as conditions change and performance needs warrant a change?? If you send it to us you avoid paying the core charge. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Thanks for any help. Always a big complaint with 454 TBI trucks. Yes, all gains listed are with 87 octane gas. I have a 98 C-3500 dually with a Vortec 454. Roller Cam, .483 Lift . Obviously different, but I still think the 454 has more to offer. I am doing a full engine swap from a damaged motorhome to my older motorhome. The tuning alone will be the single biggest change you can make to improve power and throttle response. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? 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). Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Unfortunately this is not something that we offer. and will it improve my over all power? Banks iDash: SuperGauge & DataMonster. Yes, we can tune your ECM. The heads used on the L29 combined the large oval intake ports with small (100 cc) combustion chambers to produce a slightly higher (than the Gen V) 9.0:1 compression. Mostly people saying to try this and try that. Can you reprogram and net me the same HP & TQ numbers as the L29? These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. a good set of headers help to. 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. All above engines equipped wit Hydraulic Roller Lifters. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. 98 Single Rear Wheel 3500 7.4 Vortec. There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. The old cast-iron cylinder heads and low-rise intake manifold were dumped in favor of some aluminum PowerOval 280 heads from Trick-Flow with upgraded valvetrain and a Summit single-plane intake manifold. Its amazing what some bolt-on parts can do! . Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. After the normally aspirated testing, we replaced the 750 Holley with a dedicated blow-through 850 Holley carburetor from Carb Solutions Unlimited (CSU) and installed the Vortech supercharger kit. 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. 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. Thank you for any information you could give me. Is it possible to get the newer 0411 with your tune for my truck. I heard these trucks have a torque management system does this computer give my truck back all its power? The tune will definitely wake the truck up. Just need a working substitute, no enhancements really needed. Don't know how tuning would work. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. 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. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. 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. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". 3. Why a motorhome? It may or may not have a decal on the ECM depending on if they did a mail order tune or came in to our shop. Nothing I was finding really listed ACTUAL upgrades. I won't change the exhaust or add a ring eating K&N. Bosch p/n: 0280155884. Your vehicle is not compatible. Hi Warren, that is definitely something we can tune for. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. 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. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. Yes, we can tune your engine for more power, doesn't matter what type of transmission. 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 That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. The bill: $3,699.96 for all but the carb. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. The Chevrolet 454 was phased out in most passenger vehicles by 1975, but it remained a viable power plant in heavy-duty Chevrolets until 1996. We only specialize in the big block engines. Switch to a lightweight synthetic oil. Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". Free shipping for many products! They seem to be similar to those used in your RV work. Later i want to install the banks PPB 49070 package on this motorhome next year. After selecting a motor, we set about making the necessary changes for our test. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 0:00 / 19:37 Parts overview- James L29 Vortec 454 build Ep2 20,387 views Oct 10, 2019 391 Dislike Share Save Dick Hamm 4.68K. As long as you don't have any emission systems removed, you will pass without any issues. This upgrade will not only improve overall top end power but it also . Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. 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. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. We can do the tune now with the Banks kit taken into consideration for down the road. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. This ignition system upgrade will allow you to set your distributor for a little more timing advance. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. 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 what features will i gain with this new unit. GAS MILEAGE. The state of California requires that this warning be posted for people purchasing products that reside in California. Thank you. The stock injectors are fine for our performance tuning. I'm saving up for the banks power pack system. We set it for the best performance in all conditions, it is not user adjustable. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. 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. Check if this part fits . Is there any way I could send you that one as a core in return for one to work in my 2000? I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. Really? Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Wiring is the same. We can also adjust your speedometer to be correct. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. It can be done fairly cheap , power for days and 15-20mpg, I repeat. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. Yes, we can tune your L21 for similar gains as with the L29. That just won't do. We don't however specialize in forced induction applications so we would not be able to help you with that. 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. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. 1997 gmc 3500 cc dually. The banks system will give you 70hp and 85lb-ft. Before adding boost, the boneyard big block was run in normally aspirated trim and produced 427 hp at 5,500 rpm and 476 lb-ft of torque at 3,900 rpm. Our typical turn around time is 2-3 business days. When it shows 55 MPH your actually going about 57 to 58 MPH. I would think that u-haul did not use their own ECM. For a better experience, please enable JavaScript in your browser before proceeding. We are unaware of any cam upgrades specifically for the L21. I bought this truck brand new. Configured with our pulley combination, the YSI spit out a peak boost pressure of 19.1 psi where the boosted big block produced 791 hp and 713 lb-ft of torque. Body Diameter: 16 mm. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. 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? If you continue to use this site we will assume that you are happy with it. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? All fuel injector specifications meet or exceed the manufacturer's specification standard. But like any stock engine, there was tons of power left to be squeezed out. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! Any "recalibration" would require sending your ECM to us for programming changes. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. 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 . 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. And performance tune? We are not able to assist in providing this PCM. It won't hurt anything to run like that. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. Also I dont have either downstream 02 sensors. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. 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. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. At this point the engine run well, with no code problems. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. 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. 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. The air filter is easily removed, cleaned, and reused. Vise grip, needle-nose and standard pliers. We can tune the 2000 ECM for that engine and I'm pretty sure the ignition harness on that vehicle has no tie in with the ECM. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . When you purchase, just let us know any modifications or requests and we can accomodate. But don't despair. This combined with the internal step gearing and maximum engine speed of 6,000 rpm to produce a peak impeller speed of 51,700 rpm, well below the listed maximum of 65,000 rpm. I would like the biggest bang for the $. 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. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Vehicle Monitoring and data-logging like no other! Thanks. my old part number on ecm is 16263494 on 1999 454. 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. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! $360.56. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Roller Lifters 5. At times I get a dtc for bank 1 and 2 too rich. We use the original black box PCM's. Can I tune it myself later with my own tuner or is it still a black box like the oem? Does this computer hav egr delete programmed into it. It is quite a noticeable difference! Without going into the engine, they make a supercharger kit for it, I know whipple use to. Jump to Latest Follow . For GM vehicles, the Vortec variant increased power by 60 horses. We appreciate it but we only specialize in the big block engines. I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. I THINK I want a diesel until I look at the prices. It wasnt the best moment to put out a big cubic inch big block designed for performance vehicles, but the Chevy 454 made an impact. My goal is to improve torque and trans efficiency then MPG. 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. I have a 2000 OBS Chevy quad cab with a 454 Vortec. First off, I snagged a used 454 throttle body off ebay and sent it out to www.rvmorsemachine.com to get bored to 54mm for some decent air flow for this big block project. Also how much horse power and torque do these motors have stock? 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? The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. For this one, I would want you to send your PCM into us to be done. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. With the baby stock cam they made 290hp and 415 ft lbs of torque. Check out their web sight Bankspower.com So if I have your tune done what is the turn around time sending my PCM to you? This is a lie. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory.
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