How to Make a Chevy 454 Vortec More Efficient | It Still Runs 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. 1999 Crew cab dually, 454 vortec, AUTOMATIC. 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. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. I fought this truck with the cats deleted and air pump disabled. We can also adjust your speedometer to be correct. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. Please see our shipping terms for more information. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com The vin is for a 2004 gmc 1500 with a 5.3 vortec. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Dec 18, 2007 . Yes, we could accept the PCM from your '98 as the core. 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? youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. My next upgrade is going to be exhaust. Can I tune it myself later with my own tuner or is it still a black box like the oem? It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. Set of 8 1996 - 2000 GMC Chevy 7.4L 454cid Vortec Bosch 4 Hole Upgrade 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. JavaScript is disabled. I dont have the 2000 VIN only the VIN from my 1995. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 7.4 Vortec Performance Upgrades - BOOST YOUR ENGINE It is an all-iron engine (block and heads . Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! . Thank you for any information you could give me. Wiring is the same. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Yessir! Vise grip, needle-nose and standard pliers. cam with matching torque converter and headers would be easy. Alright Jay! It is unlikely that the Vortec 454 accessories will clear the hood. BBK 1710 80mm Throttle Body - High Flow Power Plus Series GM Vortec 305 Boneyard Boost: Vortech 454 - Street Muscle If you continue to use this site we will assume that you are happy with it. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. 1999 vortec 454 7.4 - HPTuners Programmers. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. The Muscle Automobile Period had come and gone before the 7400 series debuted. 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. 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. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Chevrolet Performance 454 HO 454ci/438HP Crate Engine - JEGS I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. We don't however specialize in forced induction applications so we would not be able to help you with that. Really? We will set the tune up based on your modifications and requests. Thanks. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. I have a 98 C-3500 dually with a Vortec 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. Short tube headers won't do anything for you but long tube headers would he beneficial. Your email address will not be published. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. You can definitely hold on to your PCM, that is not an issue. no. 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? This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. We only specialize in the big block engines. L29 Vortec 454 power? - Don Terrill's Speed-Talk Are there any gains to be had by programing and adding headers to my truck? 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? The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. 7.4 chevy engine in georgia boy pursuit motorhome. 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. . With the shut downs due to the virus, our normal service company that does that for us is closed. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. We are unaware of any cam upgrades specifically for the L21. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. Some differences are: 1. Rowe studied engineering, philosophy and American literature at Central Florida Community College. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. That being said, the threads on the net are pretty old. GMC 7.4L/454 JET Performance Parts and Accessories In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Is it actually running at that RPM or just showing that? 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. 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. 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. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. what features will i gain with this new unit. So if I have your tune done what is the turn around time sending my PCM to you? Mark McNabb was a contributor at TopSpeed from 2013 to 2018. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. Also how much horse power and torque do these motors have stock? How to Make Power with a Chevy TBI V-8 - MotorTrend Install a high-flow air filter and a cold air intake. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. Don't know how tuning would work. 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). vortec 454 cam? - Trucks, Trailers, RV's & Toy Haulers - ThumperTalk 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. Vortech Superchargers However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. Dedicated to making your Chevy Truck bad***. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. The stock injectors are fine for our performance tuning. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . Check if this part fits . my ecm has to be replaced. This thing is weak as water. That is the difference between cookie-cutter and custom! Best, least expensive way to get more power out of this engine is with our custom tune. TQ with those modifications done. UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Brazel's RV Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks 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. Our typical turn around time is 2-3 business days. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? Stronger shift points for towing and power. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Buy your Innovative Performance Chip/Power Programmer at Amazon! will your new part ecm work on this motorhome. The engine receives cooler, more oxygen-dense air through a chilly air induction system. Anything that will help the performance. 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/. Only a set of dyno headers and an electric water pump were different. I am ready to pull the trigger if I continue to run 87 octane fuel. 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. 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. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. Check the make, year, and model of your car to see if the VIN number is available. If you want to send your PCM in that you know is functional, that is the best way to do it. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. im wanting /needing power and torque. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. The heads, pistons, and intake are stock. Switch to a lightweight synthetic oil. $199.95. But don't despair. I THINK I want a diesel until I look at the prices. This modification won't be cheap or easy to install, but will eventually pay for itself if you do a lot of towing or drive a lot of miles. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. It can be done fairly cheap , power for days and 15-20mpg, I repeat. We can tune stock or modified, not a problem. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Do a 12 swap and be done. my old part number on ecm is 16263494 on 1999 454. Cost is $395 plus a $175 core charge which is refundable. This is only 1 of the many changes that we make with our programming to achieve great power gains. 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. Makes NO permanent changes to your vehicle's computer! Yes that would be fine, you would just need to call in to our service department and schedule a date :). Common Problems with Chevy 454 Vortec (Explained!) 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? 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. 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. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Chevy 454 Engine Guide - 7.4L V8 Specs, Problems, Performance Apr 14, 2016. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. 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. I read in earlier questions asked that you had stopped doing the earlier ones. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. I have the 411. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* If i buy a tune do i need to send my ECU 1st or can you send me one then when i get the ECU from you send mine back to get my 100 back? There is a small red wire that has never been connected to anything. Buy in monthly payments with Affirm on orders over $50. How much can you get them for? K&N fuel injection performance kit. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. 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 just bought this 97 suburban 4wd with the bbc. Since the cat removal shift points have been wonky. 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!). 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. This ignition system upgrade will allow you to set your distributor for a little more timing advance. We are currently waiting on more ECM's to come in to be able to provide them on exchange. 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. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. 7.4 Liter Vortec Info | GMC Truck Forum During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. It was bone stock 2x4 extended cab dually. Do you have any videos of how to locate and remove my ECM? The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! I have a uhaul topkick with the 7.4. Can i tell if my RV has this already? I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. If it does work what would do for pulling and climbing hills? Oxygen sensor modifications can be done. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. Another popular upgrade is changing to Bosch 4 hole injectors. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. and will it improve my over all power? 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 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. Does this computer hav egr delete programmed into it. Buy in monthly . That just won't do. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively.
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