$399.99. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! If you send it to us you avoid paying the core charge. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! New 2-Piece Intake Manifold w/Long Intake Runners 7. Common Problems with Chevy 454 Vortec (Explained!) We appreciate it but we only specialize in the big block engines. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. Very interested in this. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Is there anything to be gained within my parameters? I am doing a full engine swap from a damaged motorhome to my older motorhome. 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. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 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. Yes, we could accept the PCM from your '98 as the core. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. If not can a non uhaul ecm be used (ie plugged into the current harness)? Great motor and runs strong with gobs of TQ. If you send us your PCM, our turn around is usually 1-2 days. This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. Performance Street, great low to mid-range. 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 wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Please just leave in the order comments your requests to be done. If I send yall Parts list of what kind of cam, injectors, pistons, etc. 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. See listing details. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. 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. m) at 3200 rpm. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: 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? 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? That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! That is the difference between cookie-cutter and custom! All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. So, what are the most common problems with the Chevy 454 Vortec? 1999 vortec 454 7.4 - HPTuners It is unlikely that the Vortec 454 accessories will clear the hood. All rights reserved. Just wondering because Id buy one of those as well. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Reading some of your responses I came across one with regards to a 1996. 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. 16238212. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Roller Lifters 5. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. Opinions On the 7.4 / 454 Suburbans and engine - Expedition Portal Thank you. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. 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. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. We would reprogram yours and put it in a new case so it looks nice! It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. In 2001, production of the 7400 line was discontinued. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. http://www.cumminsdieselspecs.com/cummins_timeline.html, http://www.internationalpowerstroke.com/timeline.html, http://www.duramaxdieselspecs.com/compare_duramax.html, Tow rig Suspension and Axle upgrades questions (4th Gen Dodge). 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 just bought this 97 suburban 4wd with the bbc. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. 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. A stock 12v ain't got **** on a BBC. 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?? 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. How To Add 70 Percent More Power to A Chevy 454 V-8. 5. You can definitely hold on to your PCM, that is not an issue. what does this do at emission inspections?? 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. Use for stock replacement OEM original equipment. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. General Motors debuted the 7.4 Vortec in 1970, one year before emissions requirements were tightened and three years before the gas crisis hit with full force. Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8, Innovative Performance Chip/Power Programmer, Big Autoparts Ignition Distributor Set DR474 DR331, ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set, Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality. 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. 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. If you send your ECM in, we can make the necessary adjustments you are requesting. 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. The C/K 3500's standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. I read in earlier questions asked that you had stopped doing the earlier ones. The old, weak 240 HP 454 is every bit as. 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. That represents a 70-percent increase in horsepower. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. 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. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. 454 L29 Power Upgrade. It is not 4x4. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. But don't despair. At the relay the Orange wire is hot with 12 volts continually. 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 Vise grip, needle-nose and standard pliers. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Banks iDash: SuperGauge & DataMonster. I like my shift points where they are. Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems I have a 2000 gmc k2500 with the l29 454. 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. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. watch out for chips as they just bump the fuel curve. Why a motorhome? Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. 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. It is bone stock except for tow mirrors and Kodiak door handles on all 4. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. I won't change the exhaust or add a ring eating K&N. I have a uhaul topkick with the 7.4. Vehicle Monitoring and data-logging like no other! The batteries are fully charged and there is 12 volts to the distributor. We don't however specialize in forced induction applications so we would not be able to help you with that. I have a 2000 C3500 with the 454/L29 and auto trans. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. 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. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. Do you still tune the 96 ecm? Chevy Engine Kit - Chevy Stroker Kit, 454 Big Block, 454, 496 - Coast High Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. 1999 Crew cab dually, 454 vortec, AUTOMATIC. 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). The main improvements will be improved shifting and overall more torque to pull hills. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Also, is shipping included both ways? Can you reprogram and net me the same HP & TQ numbers as the L29? At this point the engine run well, with no code problems. Even stock we see impressive gains but even more so with the Banks PowerPack installed. We can tune it if you can build it :). 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. Is it not the same motor from 96 to 2001. The tuning alone will be the single biggest change you can make to improve power and throttle response. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". Vortech Superchargers I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Makes NO permanent changes to your vehicle's computer! youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. better yet have it tuned (Brian Bosch I believe is the man to talk to about . We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. . This is a lie. Do you have identifying marks on the ECU? 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. Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. Or if I pay to send in, is the return shipping included in the $495? I have a 2000 3500 454. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. I'm sorry, we can't tune anything prior to 1996 model year. 454 L29 Vortec Engine Performance | Team Chevelle A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Thanks. It will be plug and play. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts - Competition Products Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. Without going into the engine, they make a supercharger kit for it, I know whipple use to. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. $399.99. 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? Yes that would be fine, you would just need to call in to our service department and schedule a date :). GMC 7.4L/454 JET Performance Parts and Accessories Weve seen a few 1996-1997 PCMs with this issue. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Pace Performance Products in Ohio put together a decent upgrade. 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. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Yes, this would be the compatible ECM with your VIN and part #. Im also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. For this one, I would want you to send your PCM into us to be done. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? My goal is to improve torque and trans efficiency then MPG. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. Please see our shipping terms for more information. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. Performance computer re-calibration and a Custom High flow Billet Flame Arrestor that increases the maximum power by more than 25 HP* and 30 pounds of torque*. 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. Yes, we can tune your ECM. 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. Even better than the big peak gains was the fact that the cam swap . This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Install a high flow air filter and cold air induction intake. Would we still get the good price when you get more control modules in stock? In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. We do not have a hard and fast rule on core returns for the UltraPower programming ECM's as long as it is in reason. I bought this truck brand new. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. I recently ordered an ecm for a 7.4 vortec and was very impressed. I fought this truck with the cats deleted and air pump disabled. How much will the customization cost me? 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. Free shipping for many products! Having tried the things you already have, I am pretty confident the issue is the PCM.