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. Do you have identifying marks on the ECU? This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. Check if this part fits . 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. We removed the factory EFI injection, and replaced it with simple carburetion. And a k and n filter. If not can a non uhaul ecm be used (ie plugged into the current harness)? With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. There are a lot of variables that play into the exact gains we can achieve but I would say somewhere around 45-50 HP and 60 Ft Lb. performance, modifications, classifieds, troubleshooting, maintenance, and more! The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Its amazing what some bolt-on parts can do! Can you tune my new 2000 ECM and will it work without the original key and ignition harness. When you purchase, just let us know any modifications or requests and we can accomodate. If you had the proper tuning software, you could tune it yourself later. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. I am certain we can get more power and overall better drivability with our tuning versus your current setup. That being said, the threads on the net are pretty old. We tune the original black box PCM but do not do the 411 swap. There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. How to Make Power with a Chevy TBI V-8 - MotorTrend high flow intake elbow, filter and MAF The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. That is the difference between cookie-cutter and custom! They also installed roller lifters, heavy springs and chain/gears. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Well, they can be had stupidly cheap, not counting the extra work it takes to remove the engine and then dispose of the lifeless RV. Makes NO permanent changes to your vehicle's computer! Change to a synthetic oil that is light-weight. 7.4 and 8.1 vortec hp and tq ratings | Diesel Place 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Installed E3 spark plugs which seemed to help. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. 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? 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. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. BBK 1710 80mm Throttle Body - High Flow Power Plus Series GM Vortec 305 98 Single Rear Wheel 3500 7.4 Vortec. 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. I recently ordered an ecm for a 7.4 vortec and was very impressed. Would this work on 1996 7.4L L29? 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. You might be able to run an L29 cam, but you will need to consult an engine builder. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. My next upgrade is going to be exhaust. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. You are using an out of date browser. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. (454 used only MAP) 2. 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 My question is what cam you would recommend for towing? A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. Some parts are not legal for use in California or other . We do not go further back than 1996 (OBD2) modules, sorry. 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 will not void your factory warranty, and does not modify any emissions systems. We don't however specialize in forced induction applications so we would not be able to help you with that. If you continue to use this site we will assume that you are happy with it. Apr 14, 2016. They seem to be similar to those used in your RV work. vortec 454 cam? - Trucks, Trailers, RV's & Toy Haulers - ThumperTalk 1997 gmc 3500 cc dually. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. I would like the biggest bang for the $. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. GAS MILEAGE. 1996 c3500 dually 7.4 with 5 speed. 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. The vin is for a 2004 gmc 1500 with a 5.3 vortec. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. 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. I like my shift points where they are. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! Rowe studied engineering, philosophy and American literature at Central Florida Community College. But don't despair. With the shut downs due to the virus, our normal service company that does that for us is closed. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. Reference core exchange, what is the time limit for you to receive the exchange? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Free shipping. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. Do you still tune the 96 ecm? These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. I installed a K&N replacement are filter in the stock air box. This is a crew cab, 8 foot bed. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. 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 . Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. Can you reprogram and net me the same HP & TQ numbers as the L29? From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS The Vortec 454 was touted as having substantially more power. If you send us your PCM, our turn around is usually 1-2 days. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Vehicle Monitoring and data-logging like no other! It is $495 if your sending your core/pcm in first. Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. I plan on a couple of cross country trips this summer before the Banks PPB install, so, should I wait for the tune until after the Banks install or do the tune this year? I have the parts list and see one item called 01-412-8 hyd roller cam for $315. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. Free shipping for many products! can you tune it Perform with these upgrades, We would like to have ordered the 7.4 custom tune ,but appearantly you are out of stock at the moment.Is there any time frame when you will have more modules.I would like to send you mine but I need my vehicle.Also we would like to have had the reasonable price. 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. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Mostly people saying to try this and try that. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. If you send your ECM in, we can make the necessary adjustments you are requesting. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. I've made several performance upgrades myself, but are always looking for something better. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. A cold air induction setup will feed the engine cooler and more oxygen-dense air. m) at 3200 rpm. 454 HO Crate Engine | Big Block | Chevy Performance Parts - Chevrolet 2019 Rodney W. Brazel Inc. - Ultra RV Products is a Division of Brazel's RV Performance, UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning, within 24 hours from the order date. 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. For a better experience, please enable JavaScript in your browser before proceeding. 454 VORTEC UPGRADES | HardlineCrawlers 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. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Yes, we can tune your engine for more power, doesn't matter what type of transmission. But like any stock engine, there was tons of power left to be squeezed out. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. The proper application of boost to any motor is never inexpensive, and our Vortech YSI supercharger was not what could be considered low-buck, but it was epic in its effectiveness. 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". We are running about 2-3 days on turnaround right now. 1999 Crew cab dually, 454 vortec, AUTOMATIC. What sets us apart from the others? Thanks. Budget Vortec Head Upgrade: Easy, Money-Saving Benchtop Mods Thanks for any help. 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. 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. How much will the customization cost me? If you send it to us you avoid paying the core charge. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. We can tune it if you can build it :). Solenoid resistance: 12.5 Ohms. GM 7.4 Vortec Ultimate Engine Guide - Specs, Problems, Performance 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?? The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. We are currently waiting on more ECM's to come in to be able to provide them on exchange. Very interested in this. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. Will this correct my RPM gauge issue? This engine has two valves per cylinder and features multi-port fuel injection. The bill: $3,699.96 for all but the carb. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? im wanting /needing power and torque. Is the pcm that is used a 411? Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. Need advice: 454 VI L29 Build | Hot Rod Forum 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. We only specialize in the big block engines. Injector type: US-CAR, saturated. It would be a good idea to re-tune for the Banks and injection systems. Without going into the engine, they make a supercharger kit for it, I know whipple use to. 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. That represents a 70-percent increase in horsepower. Oxygen sensor modifications can be done. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Cost is $395 plus a $175 core charge which is refundable. Yes, we can tune your ECM. 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. Just worth mentioning. I have been watching lots of posts and things get carried away very quickly about getting big big hp. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Turn around time is 1-2 business days. 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. 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. Check for Availability: $349.95. This ignition system upgrade will allow you to set your distributor for a little more timing advance. The batteries are fully charged and there is 12 volts to the distributor. This is a lie. Vortec Big block performance upgrades. - GMT400 Vise grip, needle-nose and standard pliers. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. Some differences are: 1. Gains with the modifications you have done would be around 45 HP/ 45 TQ. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Gasoline engines do not require different settings for different conditions like a diesel engine does. Stronger shift points for towing and power. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". After selecting a motor, we set about making the necessary changes for our test. Is there a way you could tune that out completely or as much out as you possibly can? During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. This cam is designed specifically for the TBI 350 small-block and specs at 194/214 degrees of duration at .050-inch tappet lift with .398/.442-inch lift. Is it not the same motor from 96 to 2001. watch out for chips as they just bump the fuel curve. 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. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. If it is a 1998 then yes you can. Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for the previous three conventional big-block models. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. If you don't mind a "dirty" PCM case then we can take care of an order for you. I THINK I want a diesel until I look at the prices. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. All rights reserved. Probably cause no cats. performance upgrades for 88-94 TBI chevy truck.? 7.4 Liter Vortec Info | GMC Truck Forum . 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. 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. 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? For a plain jane Sierra, not bad in my opinion. 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. We appreciate it but we only specialize in the big block engines. We have a complete Banks Power System and Banks Air Flow. Or is it what get is all you get? It was bone stock 2x4 extended cab dually. 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. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. Yessir! 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. Unfortunately this is not something that we offer. At the relay the Orange wire is hot with 12 volts continually. 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. Would you be able to tune this on a new computer so I can keep the original? Programmers. Our typical turn around time is 2-3 business days. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Always a big complaint with 454 TBI trucks. I dont have the 2000 VIN only the VIN from my 1995. 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. We are currently out of clean/painted cases for the PCM's. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Feel free to call me with your vin # handy if you would like to get your order in. Really? Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. vortechsuperchargers.com. Truck is stock otherwise and runs good just looking for more out of it. Thanks. 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. . . I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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

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