The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. As you can tell, it doesn't deliver much. Stage 1 Upgrade for Mercury 525 EFI. We don't however specialize in forced induction applications so we would not be able to help you with that. Here is info from COMP Cams. I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. 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? Would we still get the good price when you get more control modules in stock? torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. We removed the factory EFI injection, and replaced it with simple carburetion. You will gain approximately 35-40 horsepower and 45 lb-ft torque. It may not display this or other websites correctly. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. Also known as the Vortec 7400 (7.4L, Regular Production Option designation L29), Chevrolet's Vortec 454 was a modern-day evolution of the company's most legendary big block. The stock Vortec iron head will not tolerate more than .440-inch lift. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. That represents a 70-percent increase in horsepower. 1999 vortec 454 7.4 - HPTuners We will set the tune up based on your modifications and requests. I THINK I want a diesel until I look at the prices. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. 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. Its amazing what some bolt-on parts can do! Later i want to install the banks PPB 49070 package on this motorhome next year. Set of 8 1996 - 2000 GMC Chevy 7.4L 454cid Vortec Bosch 4 Hole Upgrade 2. It was bone stock 2x4 extended cab dually. The Gray, the green with white strip and the black test grounded. Switch to a lightweight synthetic oil. Stronger shift points for towing and power. I have had a hard time finding much of anything for these engines. 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). Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. If I order a ecm reprogram will this fix my speedometer error too?? im wanting /needing power and torque. I've made several performance upgrades myself, but are always looking for something better. Overall Length: 3 inches, 74 mm. It will be plug and play. 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. The main improvements will be improved shifting and overall more torque to pull hills. I filled out a form and sent to COMP Cams to see what they recommend and sent an e-mail to Blackbear to see what cams they had experience with since I will need to PCM tune redone. Purchase a Chevy 454 crate engine online from JEGS High Performance. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. 1999 Crew cab dually, 454 vortec, AUTOMATIC. 454 MK VI (vortec) | NastyZ28.com Performance. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. 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 Please just leave in the order comments your requests to be done. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM - ebay.com Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! I read in earlier questions asked that you had stopped doing the earlier ones. My question is what cam you would recommend for towing? 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. Can I tune it myself later with my own tuner or is it still a black box like the oem? . 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. I called Banks Power last week to try and find out what they recommend. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. I replaced the relay to no avail. With the baby stock cam they made 290hp and 415 ft lbs of torque. Next best upgrade you can make is the Banks TorqueTube headers (, We recommend these injectors:https://www.fiveomotorsport.com/bosch-oem-454-j-code-884-black-knight/. 454 L29 Vortec Engine Performance | Team Chevelle Makes NO permanent changes to your vehicle's computer! Best, least expensive way to get more power out of this engine is with our custom tune. Hot Rod And remember, thats all without touching the bottom end. . This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Jump to Latest Follow . Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. 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? If it is a 1998 then yes you can. So, what are the most common problems with the Chevy 454 Vortec? 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. Hot Rod decided to bolt up some typical speed parts. 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. My goal is to improve torque and trans efficiency then MPG. As long as you don't have any emission systems removed, you will pass without any issues. 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. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? It is bone stock except for tow mirrors and Kodiak door handles on all 4. 7.4 Liter Vortec Info | GMC Truck Forum 7.4 and 8.1 vortec hp and tq ratings | Diesel Place I would like to get the o2 delete. Does this upgrade have a negative or positive impact on engine life? We can send a pre-programmed ECU on core exchange. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. It is quite a noticeable difference! 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. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. 7.4 chevy engine in georgia boy pursuit motorhome. 454 Project Tow Beast - TBICHIPS | TBI 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. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. We have been doing them on a limited basis, it has been very challenging to find good cores to use. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. A cold air induction setup will feed the engine cooler and more oxygen-dense air. All fuel injector specifications meet or exceed the manufacturer's specification standard. 496 cubic inches. Chevy Engine Kit - Chevy Stroker Kit, 454 Big Block, 454, 496 - Coast High Installed E3 spark plugs which seemed to help. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. Just make sure to include that information in the order comments and we can make that happen for you :). This is a crew cab, 8 foot bed. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? Install an aftermarket windage tray in your engine. 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. Cats have been removed as well as smog pump. my old part number on ecm is 16263494 on 1999 454. 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. They seem to be similar to those used in your RV work. 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? How To Add 70 Percent More Power to A Chevy 454 V-8 - Top Speed The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. We can tune stock or modified, not a problem. Some parts are not legal for use in California or other . Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. Boneyard Boost: Vortech 454 - Street Muscle 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. We only specialize in the big block engines. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. GM 7.4 Vortec Ultimate Engine Guide - Specs, Problems, Performance The only weak link is the peanut port factory heads and the sprinkler style fuel injection. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Buy your Innovative Performance Chip/Power Programmer at Amazon! Apr 14, 2016. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Could you do a downstream 02 sensor delete? Yes that would be fine, you would just need to call in to our service department and schedule a date :). Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. 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. I have a vortec454 in a non smog az tow vehicle. Our tuning is based off of extensive dyno testing of RV's, and while results may vary, our gains are generally higher than others due to our expertise in the tuning of the L29 7.4L. This engine has two valves per cylinder and features multi-port fuel injection. 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. Any thoughts from you technical guys? 454 vortecgood or bad | Performance Boats Forum To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. The bill: $3,699.96 for all but the carb. Hardin Marine - EFI Upgrade Kits I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. And what is the final cost of your ECM. The Vortec 8100 (RPO L18) is a V8 truck engine. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . I THINK I want a diesel until I look at the prices. HOW TO UPGRADE YOUR TBI PEANUT PORT 454 - YouTube We gain on average 45-50 horsepower and 50 ft. lb. I just bought this 97 suburban 4wd with the bbc. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. 454 HO Crate Engine | Big Block | Chevy Performance Parts - Chevrolet 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. Are there any gains to be had by programing and adding headers to my truck? Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Fortec4x4 Jeep Customizing - FORTEC4x4 That being said, the threads on the net are pretty old. 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. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. Forget the typical race-motor build up, Boneyard Boost was all about force feeding some tired, high-mileage workhorse we purchased for the paltry sum of $500 ($250 on half price sale weekend!). 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". 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. I am considering your tune for my motorhome. All above engines equipped wit Hydraulic Roller Lifters. Bosch p/n: 0280155884. As long as the engine is well maintained, reliability is not affected. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. New 2-Piece Intake Manifold w/Long Intake Runners 7. I recently ordered an ecm for a 7.4 vortec and was very impressed. The old, weak 240 HP 454 is every bit as. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Would this work on 1996 7.4L L29? We are currently out of clean/painted cases for the PCM's. L29 454 Vortec | Team Chevelle 5. I have a 2000 3500 454. Can you guys tune that ecm? My question is that I have a 1998 7.4 parts truck. Although Chevrolet doesn't specifically recommend it for this engine, the extreme slipperiness of a full synthetic will allow you to run a thinner weight oil without worrying about undue engine wear.