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. Another popular upgrade is changing to Bosch 4 hole injectors. my old part number on ecm is 16263494 on 1999 454. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. But like any stock engine, there was tons of power left to be squeezed out. 2. Buy your K&N PF-1000 Fuel Filter at Amazon! 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. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. Its amazing what some bolt-on parts can do! Also how much horse power and torque do these motors have stock? I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. Hello I have 2000 GMC k3500 Truck. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. We would reprogram yours and put it in a new case so it looks nice! That being said, the threads on the net are pretty old. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! The only way to know for certain would be to pull the ECM and send to us so we can read it out and check. 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. My car is GMC pick-up 7.4L 1998. it is manual transmission. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Hot Rod decided to bolt up some typical speed parts. Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. 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 Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Install an aftermarket windage tray in your engine. We don't however specialize in forced induction applications so we would not be able to help you with that. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). Unfortunately this is not something that we offer. Always a big complaint with 454 TBI trucks. 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. I like my shift points where they are. Straight Port Cylinder Heads 6. $399.99. I have had a hard time finding much of anything for these engines. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. If you don't mind a "dirty" PCM case then we can take care of an order for you. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. If not can a non uhaul ecm be used (ie plugged into the current harness)? You might be able to run an L29 cam, but you will need to consult an engine builder. Installed E3 spark plugs which seemed to help. (454 used only MAP) 2. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. 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. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. . I bought this truck brand new. This is a crew cab, 8 foot bed. 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? This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. 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. 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. Fuel pump doesn't run. We removed the factory EFI injection, and replaced it with simple carburetion. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Engine is in stock configuration with no upgrades. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? The heads, pistons, and intake are stock. high flow intake elbow, filter and MAF Performance Street, great low to mid-range. Also how much benefit do you think I would gain by going aftermarket catback exhaust. I am ready to pull the trigger if I continue to run 87 octane fuel. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. 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). I called Banks Power last week to try and find out what they recommend. Will this correct my RPM gauge issue? 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 $. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Explore Our Forums. 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. Steel Camshaft 4. Later i want to install the banks PPB 49070 package on this motorhome next year. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. I have a few questions so bear with me here. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. We can send a pre-programmed ECU on core exchange. 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. It was also noted to have more power for gasoline engines. Thanks. It is quite a noticeable difference! This thing is weak as water. 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. Dec 18, 2007 . The Muscle Automobile Period had come and gone before the 7400 series debuted. 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. Distributors cap and rotor kit features brass inserts and stainless steel rotor springs,designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires,prevents arc through and crossfire. 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. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. The greater the power gains, the bigger the budget. We are running about 2-3 days on turnaround right now. 454 Vortec Reliability and Ownership Guide, Pre-Purchase Inspection: What to look out for, crate version of the 454 big block from Chevy, 1996-2000 Chevrolet/GMC C/K GMT-400 platform trucks 2500/3500, 1996-1999 Chevrolet Suburban 2500/GMC Suburban 2500, 1996-2000 Chevrolet Express ( & 1 ton versions), 19982001 Chevrolet Kodiak/GMC TopKick/Isuzu H-Series 4500 5500, Larger Fuel Injectors and Fuel Pump Regulator. We do not go further back than 1996 (OBD2) modules, sorry. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. 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. Vehicle Monitoring and data-logging like no other! When you purchase, just let us know any modifications or requests and we can accomodate. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. As you can tell, it doesn't deliver much. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. Hello! youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. 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/. I have a 2000 gmc k2500 with the l29 454. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? 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. Thanks. Yes, we could accept the PCM from your '98 as the core. And what is the final cost of your ECM. will i notice anything? Thank you. I want to install a cam while you have the ECU. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it. That is the difference between cookie-cutter and custom! Thanks for any help. 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. I straight wired it to test it and it will run. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. merci. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Some parts are not legal for use in California or other . 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? A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! With the baby stock cam they made 290hp and 415 ft lbs of torque. The batteries are fully charged and there is 12 volts to the distributor. Yes, we can resolve your issues. I'm saving up for the banks power pack system. I won't change the exhaust or add a ring eating K&N. 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". JavaScript is disabled. 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. I fought this truck with the cats deleted and air pump disabled. 2023 Power Automedia. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. It is located on top of the radiator support and has 4 connectors going into the back of it. 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. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. 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. Can I tune it myself later with my own tuner or is it still a black box like the oem? The bill: $3,699.96 for all but the carb. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? 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. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. 7.4 chevy engine in georgia boy pursuit motorhome. He eventually figured it out. As long as you don't have any emission systems removed, you will pass without any issues. 5. 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. 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. It may not display this or other websites correctly. My question is that I have a 1998 7.4 parts truck. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. I just bought this 97 suburban 4wd with the bbc. 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. Learn more. Reference core exchange, what is the time limit for you to receive the exchange? The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. We have been doing them on a limited basis, it has been very challenging to find good cores to use. In 2001, production of the 7400 line was discontinued. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. $119.95. 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. We can do the tune now with the Banks kit taken into consideration for down the road. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Here is info from COMP Cams. Temperature measurements taken before and after the carburetor revealed that the fuel cooling dropped the intake charge temperature from 235 degrees (before the carb) down to 120 degrees (after). torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. My goal is to improve torque and trans efficiency then MPG. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. Will the UltraPower tune, give me the "best bang for my buck" performance increase? 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. Is this enough information to create a tune or will you need more information? Feel free to call me with your vin # handy if you would like to get your order in. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. 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. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Is there a way you could tune that out completely or as much out as you possibly can? I'm interested in the available upgrades for the vortec 454. 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. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. You can source the 454 HO directly from Chevrolet. 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. The stock Vortec iron head will not tolerate more than .440-inch lift. 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. I think they were made before Chevy started using real tornados. . The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Would the retuned ECM provide any performance gains above what are present now? We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Pindar From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. 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. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. 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. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. 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. Buy your Innovative Performance Chip/Power Programmer at Amazon! will your new part ecm work on this motorhome. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. 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*. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. Please just leave in the order comments your requests to be done. Thank you. We tune the original black box PCM but do not do the 411 swap. Would we still get the good price when you get more control modules in stock? A cold air induction setup will feed the engine cooler and more oxygen-dense air. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. . I read in earlier questions asked that you had stopped doing the earlier ones. If you choose the core option we will program an ECM here and ship to you. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. Stage 1 Upgrade for Mercury 525 EFI. New 2-Piece Intake Manifold w/Long Intake Runners 7. I will be sending you my ECU. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE!
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