The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. 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. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . The banks system will give you 70hp and 85lb-ft. 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? Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . Even better than the big peak gains was the fact that the cam swap . Straight Port Cylinder Heads 6. Is it possible to get the newer 0411 with your tune for my truck. Thanks. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. 454 VORTEC UPGRADES | HardlineCrawlers Another popular upgrade is changing to Bosch 4 hole injectors. I would like to get the o2 delete. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. For a plain jane Sierra, not bad in my opinion. Yes, we could accept the PCM from your '98 as the core. We gain on average 45-50 horsepower and 50 ft. lb. The Vortec 454 was touted as having substantially more power. Really? If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com 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. 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. My next upgrade is going to be exhaust. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. vortec 454 cam? - Trucks, Trailers, RV's & Toy Haulers - ThumperTalk 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, all gains listed are with 87 octane gas. 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. Topping the engine is a borrowed four-barrel Holley XP carburetor. I don't drive the truck daily so could send my ECM to you for tuning My question is would this eliminate the SES light for the cats P0430/20 and air pump ?? Also how much benefit do you think I would gain by going aftermarket catback exhaust. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? Obviously different, but I still think the 454 has more to offer. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. Yes, we can tune your engine for more power, doesn't matter what type of transmission. GMC 7.4L/454 JET Performance Parts and Accessories 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. We removed the factory EFI injection, and replaced it with simple carburetion. The batteries are fully charged and there is 12 volts to the distributor. Our typical turn around time is 2-3 business days. 454 L29 Power Upgrade. They also installed roller lifters, heavy springs and chain/gears. . 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. 454 Vortec - What happened to the horsepower? - Google Groups 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. My goal is to improve torque and trans efficiency then MPG. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. Could you do a downstream 02 sensor delete? 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. Will this correct my RPM gauge issue? The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. thanks, Hey i have a 1997 chevy k2500 7.4 manual nv4500 trans 3.73 engine bone stock with 45,678 on rebuild with a working good ecm is tunning a question if so how much $. I would think that u-haul did not use their own ECM. Vehicle Monitoring and data-logging like no other! So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. If you want to send your PCM in that you know is functional, that is the best way to do it. Oxygen sensor modifications can be done. 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. 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. 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. I plan on the injector and ignition work done in march. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. We will safeguard your e-mail and only send content you request. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Great motor and runs strong with gobs of TQ. Install a high flow air filter and cold air induction intake. Dedicated to making your Chevy Truck bad***. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. Bosch p/n: 0280155884. PART NO. Heads, intake and headers would definitely wake it up. We are currently waiting on more ECM's to come in to be able to provide them on exchange. Technical Specifications: No filter cleaning required for up to 100,000 miles. Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. 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. We set it for the best performance in all conditions, it is not user adjustable. JavaScript is disabled. TQ with those modifications done. Is it worth tuning a black box or worth changing to 411, I have headers ,cat delete, 19.5 five 0 injectors, and Pulling cam swap. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. 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. 454 Project Tow Beast - TBICHIPS | TBI 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. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for 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. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? We use cookies to ensure that we give you the best experience on our website. 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. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Will the UltraPower tune, give me the "best bang for my buck" performance increase? I have the parts list and see one item called 01-412-8 hyd roller cam for $315. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. merci. Apr 14, 2016. Its amazing what some bolt-on parts can do! Buy in monthly . Can i tell if my RV has this already? 454 MK VI (vortec) | NastyZ28.com From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. 2000 Chevy Truck 454 Specs | It Still Runs Best, least expensive way to get more power out of this engine is with our custom tune. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? This thing is weak as water. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Opinions On the 7.4 / 454 Suburbans and engine - Expedition Portal I have a 2000 OBS Chevy quad cab with a 454 Vortec. I have a 2000 gmc k2500 with the l29 454. I read in earlier questions asked that you had stopped doing the earlier ones. We can adjust for speedometer error. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. Step 2 Install a high flow air filter and cold air induction intake. 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. A stock 12v ain't got **** on a BBC. We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. 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. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! 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. 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. Your email address will not be published. We can do the tune now with the Banks kit taken into consideration for down the road. Yessir! 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. Yes, we can resolve your issues. Only a set of dyno headers and an electric water pump were different. Is this enough information to create a tune or will you need more information? I am considering doing an EGR delete and I wasn't sure if this would accommodate that or if it will still throw a check engine light. is this unit ready for plug and play. It is $495 if your sending your core/pcm in first. what does this do at emission inspections?? For GM vehicles, the Vortec variant increased power by 60 horses. He eventually figured it out. All rights reserved. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Switch to a lightweight synthetic oil. GAS MILEAGE. 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. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. 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. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. Parts overview- James L29 Vortec 454 build Ep2 - YouTube The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Very interested in this. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA I do still have all the O2 sensors but would like to delete them if possible. Roller Cam, .483 Lift . I installed a K&N replacement are filter in the stock air box. 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers Banks iDash: SuperGauge & DataMonster. 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. Hi Warren, that is definitely something we can tune for. 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. 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.
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