454 vortec performance upgrades

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? Are there any gains to be had by programing and adding headers to my truck? 454 vortecgood or bad | Performance Boats Forum They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. 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. 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. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Chevy 454 Rebuild Kits for Complete Street Performance! The only weak link is the peanut port factory heads and the sprinkler style fuel injection. GM 7.4 Vortec Ultimate Engine Guide - Specs, Problems, Performance Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! I know they were installed in trucks from 96- 00?. So if I have your tune done what is the turn around time sending my PCM to you? Prices increase after 2/28. . Bosch p/n: 0280155884. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . 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. We can do the tune now with the Banks kit taken into consideration for down the road. 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. How To Add 70 Percent More Power to A Chevy 454 V-8 - Top Speed TQ with those modifications done. Straight Port Cylinder Heads 6. 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. Or if I pay to send in, is the return shipping included in the $495? We are unaware of any cam upgrades specifically for the L21. 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. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. This is a lie. 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 454 vortec or 8.1 swap? | Chevy Impala SS Forum My goal is to improve torque and trans efficiency then MPG. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Weve seen a few 1996-1997 PCMs with this issue. This is a crew cab, 8 foot bed. Hello I have 2000 GMC k3500 Truck. Or is it what get is all you get? 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. JavaScript is disabled. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). You are using an out of date browser. 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. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 16238212. 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. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. At the relay the Orange wire is hot with 12 volts continually. Is there a way you could tune that out completely or as much out as you possibly can? Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. 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. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. The Official Vortec 454 Info thread - GMT400 Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. How to Make Power with a Chevy TBI V-8 - MotorTrend Do you have any videos of how to locate and remove my ECM? Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. 496 cubic inches. 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. It is not 4x4. CHEVROLET 7.4L/454 Parts and Accessories - Summit Racing Equipment Chevrolet Performance 454 HO 454ci/438HP Crate Engine - JEGS And what is the final cost of your ECM. Gasoline engines do not require different settings for different conditions like a diesel engine does. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. We gain on average 45-50 horsepower and 50 ft. lb. Even better than the big peak gains was the fact that the cam swap . If you would like to place your order feel free to give me a call at 800-417-4559. 2023 Power Automedia. I have the 411. Very interested in this. 7.4 Liter Vortec Info | GMC Truck Forum Just worth mentioning. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. I know that my question is very reduntant but I need to ask it .I pull a trailer and want a little more tow po1wer. We can adjust for speedometer error. Our typical turn around time is 2-3 business days. 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. Probably cause no cats. Programmers. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. a good set of headers help to. 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. 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. Yes that would be fine, you would just need to call in to our service department and schedule a date :). Are the tunes generic or do you change different things for different people? 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. 7.4 and 8.1 vortec hp and tq ratings | Diesel Place 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. Jump to Latest Follow . Thank you for any information you could give me. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. 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? 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. 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. In 2001, production of the 7400 line was discontinued. Best, least expensive way to get more power out of this engine is with our custom tune. Free shipping for many products! high flow intake elbow, filter and MAF Install an aftermarket windage tray in your engine. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Top 4 Best Cam For Stock 454 Big Block Review - Tools BIble The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. The banks system will give you 70hp and 85lb-ft. 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. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. 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. 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. 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? The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. will i notice anything? Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. How much will the customization cost me? I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. I've made several performance upgrades myself, but are always looking for something better. Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. You will gain approximately 35-40 horsepower and 45 lb-ft torque. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Can you reprogram and net me the same HP & TQ numbers as the L29? Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. Check the make, year, and model of your car to see if the VIN number is available. If they were cheap enough, sure. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. This is only 1 of the many changes that we make with our programming to achieve great power gains. A cold air induction setup will feed the engine cooler and more oxygen-dense air. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Some differences are: 1. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. Is there anything to be gained within my parameters? Mark McNabb was a contributor at TopSpeed from 2013 to 2018. im wanting /needing power and torque. 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. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Since the cat removal shift points have been wonky. I recently ordered an ecm for a 7.4 vortec and was very impressed. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. 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.

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