454 vortec performance upgrades
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. Normally, advancing the distributor would increase octane sensitivity and possibly fuel economy, but the upgraded ignition system will allow you to do so without adversely affecting fuel burn or horsepower. Will this correct my RPM gauge issue? The stock Vortec iron head will not tolerate more than .440-inch lift. can you tune it Perform with these upgrades, We would like to have ordered the 7.4 custom tune ,but appearantly you are out of stock at the moment.Is there any time frame when you will have more modules.I would like to send you mine but I need my vehicle.Also we would like to have had the reasonable price. We can easily do this with the specs you provide. I have the 411. Any thoughts from you technical guys? Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! We don't however specialize in forced induction applications so we would not be able to help you with that. Dec 18, 2007 . Just wondering because Id buy one of those as well. If you choose the core option we will program an ECM here and ship to you. My next upgrade is going to be exhaust. In our quest to locate a suitable 454, a typical rip to the wrecking yard revealed at least three of the four available big-block combinations. 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. 7.3 is 250-275/505-525 stock. We can adjust for speedometer error. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. what does this do at emission inspections?? If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? Yes our tuning does work for trucks as well. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Jump to Latest Follow . Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs. Why a motorhome? Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! $399.99. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. It was not a good moment to debut a big cubic-inch big block designed for performance vehicles, but the Chevy 7.4 made an impact nonetheless. I have a few questions so bear with me here. Is the Vehicle Control Module an ECM by another name? I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. The General Motors 7400 is the name given to a 7.4-liter Vortec engine produced by GM from 1996 until 2001 as a truck engine. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Well, they can be had stupidly cheap, not counting the extra work it takes to remove the engine and then dispose of the lifeless RV. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. It was bone stock 2x4 extended cab dually. If you send us your PCM, our turn around is usually 1-2 days. We appreciate it but we only specialize in the big block engines. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. We modify this so that it is still "safe" but definitely wakes the truck up. Only a set of dyno headers and an electric water pump were different. . Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Buy in monthly . I want to install a cam while you have the ECU. $199.95. I would think that u-haul did not use their own ECM. Fuel pump doesn't run. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. We can tune stock or modified, not a problem. It is quite a noticeable difference! 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. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. I would like the biggest bang for the $. Buy your K&N PF-1000 Fuel Filter at Amazon! 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). Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. It will be plug and play. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. 5. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. Unfortunately this is not something that we offer. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. my old part number on ecm is 16263494 on 1999 454. 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. Even better than the big peak gains was the fact that the cam swap . Yes, it definitely will. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. At this point the engine run well, with no code problems. I THINK I want a diesel until I look at the prices. The air filter is easily removed, cleaned, and reused. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. I straight wired it to test it and it will run. 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). And what is the final cost of your ECM. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. Hot Rod And remember, thats all without touching the bottom end. 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? Headers exhaust. The problem with making more power is that cost and performance often go hand in hand. im wanting /needing power and torque. Anything that will help the performance. Do you offer anything for the 5.3? youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. The heads, pistons, and intake are stock. The truck does not need to be emissions compliant. Hello I have 2000 GMC k3500 Truck. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. 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. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. It is not 4x4. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. Check if this part fits . 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. New 2-Piece Intake Manifold w/Long Intake Runners 7. Headers suggested. performance, modifications, classifieds, troubleshooting, maintenance, and more! Gains will be on par with what we achieve with the RV's so it will very well suited for towing. I know they were installed in trucks from 96- 00?. My goal is to improve torque and trans efficiency then MPG. It was also noted to have more power for gasoline engines. Its amazing what some bolt-on parts can do! will i notice anything? Also I dont have either downstream 02 sensors. Typical turn around is 3-4 days, sometimes quicker. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. m) at 3200 rpm. 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. It is an all-iron engine (block and heads . Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. 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. . So, what are the most common problems with the Chevy 454 Vortec? Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. I have a 2000 3500 454. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! The only weak link is the peanut port factory heads and the sprinkler style fuel injection. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. 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. Free shipping for many products! GAS MILEAGE. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. 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. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. 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. The tire are one size larger than stock to the speedometer is off a little. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. Whats the stock numbers on a Vortec 454? Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. Really? Engine is in stock configuration with no upgrades. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. 496 cubic inches. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Choose FORTEC 4x4 for Jeep Wrangler JL and Jeep Gladiator JT Customizing - Highly trained Specialists Since 1991 Each Jeep we touch brings you the greatest quality, functionality and performance We offer Jeep Turn Key Solutions, Jeep Parts and Jeep Accessories in Partnership with Jeep Dealerships in Atlanta and Florida The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. The tuning alone will be the single biggest change you can make to improve power and throttle response. This ignition system upgrade will allow you to set your distributor for a little more timing advance. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. Probably cause no cats. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Hi Warren, that is definitely something we can tune for. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! 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. We are currently out of clean/painted cases for the PCM's. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. 1997 gmc 3500 cc dually. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. We tune the original black box PCM but do not do the 411 swap. Now, that poses the question: what would you shoehorn this big-block Chevy into? I THINK I want a diesel until I look at the prices. Reasons to buy: I have been watching lots of posts and things get carried away very quickly about getting big big hp. K&N fuel injection performance kit. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. Cost is $395 plus a $175 core charge which is refundable. Is it not the same motor from 96 to 2001. If they were cheap enough, sure. Please see our shipping terms for more information. 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. Thanks for any help. 98 Single Rear Wheel 3500 7.4 Vortec. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. 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. Just worth mentioning. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. All fuel injector specifications meet or exceed the manufacturer's specification standard. You are using an out of date browser. That just won't do. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. Please contact us directly to set that up at 800-417-4559. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. 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. Can i tell if my RV has this already? Cost would be $495. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. 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. 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. . Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. 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. The old, weak 240 HP 454 is every bit as. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. Buy your Innovative Performance Chip/Power Programmer at Amazon! The batteries are fully charged and there is 12 volts to the distributor. 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. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. as far as the cam, make sure that year didnt have the core support going down the center of the rad (pretty sure it didnt). Do you have identifying marks on the ECU? That represents a 70-percent increase in horsepower. When it shows 55 MPH your actually going about 57 to 58 MPH. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. If product is incorrect for the provided VIN we will contact you to revise order. I'm sorry, we can't tune anything prior to 1996 model year. Topping the engine is a borrowed four-barrel Holley XP carburetor. will your new part ecm work on this motorhome. I fought this truck with the cats deleted and air pump disabled. I didnt see anything on the site but that doesnt mean I saw everything. Does this computer hav egr delete programmed into it. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. Install a high-flow air filter and a cold air intake. Truck is stock otherwise and runs good just looking for more out of it. $399.99. Yes, we can resolve your issues. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Cats have been removed as well as smog pump. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Alright Jay! 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. I have a 1996 C3500 crew cab dually with a 7.4. They also installed roller lifters, heavy springs and chain/gears. It was produced as a gas alternative to the new Duramax LB7 diesel, offering a high-torque gas engine capable of towing just about anything. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. I have a 2000 OBS Chevy quad cab with a 454 Vortec. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque.
