454 vortec performance upgrades

Even better than the big peak gains was the fact that the cam swap . UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Brazel's RV Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. K&N fuel injection performance kit. Fortec4x4 Jeep Customizing - FORTEC4x4 We can adjust for speedometer error. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Gains with the modifications you have done would be around 45 HP/ 45 TQ. 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. 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. We have no issues with tuning a higher mileage engine as long as it is in good running condition. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Would you be able to tune this on a new computer so I can keep the original? vortechsuperchargers.com. Prices increase after 2/28. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. 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. Gasoline engines do not require different settings for different conditions like a diesel engine does. This is only 1 of the many changes that we make with our programming to achieve great power gains. Can you reprogram and net me the same HP & TQ numbers as the L29? If not can a non uhaul ecm be used (ie plugged into the current harness)? 2. Boneyard Boost: Vortech 454 - Street Muscle Buy your K&N PF-1000 Fuel Filter at Amazon! 496 cubic inches. 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. The banks system will give you 70hp and 85lb-ft. Hello I have 2000 GMC k3500 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? If you choose the core option we will program an ECM here and ship to you. Can I reprogram on the fly as conditions change and performance needs warrant a change?? When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. 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 1999 Fleetwood Flair with a 7.4 Workhorse. Check out their web sight Bankspower.com The only weak link is the peanut port factory heads and the sprinkler style fuel injection. 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. 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. What type of gains could I expect with a tune for this? I dont have the 2000 VIN only the VIN from my 1995. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. I heard these trucks have a torque management system does this computer give my truck back all its power? So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Yessir! Parts overview- James L29 Vortec 454 build Ep2 - YouTube How To Add 70 Percent More Power to A Chevy 454 V-8 - Top Speed 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 I have a 1996 C3500 crew cab dually with a 7.4. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. At times I get a dtc for bank 1 and 2 too rich. What are your recommendations?? Just wondering because Id buy one of those as well. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. A cold air induction setup will feed the engine cooler and more oxygen-dense air. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. They also installed roller lifters, heavy springs and chain/gears. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. Vehicle Monitoring and data-logging like no other! We can tune the 2000 ECM for that engine and I'm pretty sure the ignition harness on that vehicle has no tie in with the ECM. We can also adjust your speedometer to be correct. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. 1997 gmc 3500 cc dually. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! 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 We would reprogram yours and put it in a new case so it looks nice! As you can tell, it doesn't deliver much. The Official Vortec 454 Info thread - GMT400 Do you have any videos of how to locate and remove my ECM? Always a big complaint with 454 TBI trucks. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. We have a complete Banks Power System and Banks Air Flow. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. We tune the original black box PCM but do not do the 411 swap. Do you have identifying marks on the ECU? Is it possible to get the newer 0411 with your tune for my truck. Opinions On the 7.4 / 454 Suburbans and engine - Expedition Portal The Muscle Automobile Period had come and gone before the 7400 series debuted. Common Problems with Chevy 454 Vortec (Explained!) 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. A stock 12v ain't got **** on a BBC. I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. 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. If you had the proper tuning software, you could tune it yourself later. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. will your new part ecm work on this motorhome. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Truck is stock otherwise and runs good just looking for more out of it. Yes, this would be the compatible ECM with your VIN and part #. 454 MK VI (vortec) | NastyZ28.com You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. I fought this truck with the cats deleted and air pump disabled. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart How much can you get them for? Vortec 454 7.4L Fuel Injector Upgrade, Replacement old injectors with Thanks. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. my ecm has to be replaced. Can you guys tune that ecm? 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. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the 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 ?? m) at 3200 rpm. Yes, we can tune your engine for more power, doesn't matter what type of transmission. 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. Top 4 Best Cam For Stock 454 Big Block Review - Tools BIble You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. 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? 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. 7.4 Vortec Performance Upgrades - BOOST YOUR ENGINE It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars. Are there any gains to be had by programing and adding headers to my truck? Before adding boost, the boneyard big block was run in normally aspirated trim and produced 427 hp at 5,500 rpm and 476 lb-ft of torque at 3,900 rpm. If they were cheap enough, sure. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. Chevy Performance BBC L29 Vortec Cast Iron Cylinder Head - JEGS 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. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Oxygen sensor modifications can be done. The greater the power gains, the bigger the budget. Parts overview- James L29 Vortec 454 build Ep2 - YouTube 0:00 / 19:37 Parts overview- James L29 Vortec 454 build Ep2 20,387 views Oct 10, 2019 391 Dislike Share Save Dick Hamm 4.68K. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Do you offer anything for the 5.3? 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. Any thoughts from you technical guys? Recommended 454 TBI modifications | TBI - harristuning.com Reasons to buy: Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. L29 454 Vortec | Team Chevelle I have a 2000 C3500 with the 454/L29 and auto trans. Just make sure to include that information in the order comments and we can make that happen for you :). The LS6 was discontinued after 1971 because of tighter emissions controls, and the LS5s power had dropped to about 245 horsepower by 1973 as a result of more stringent emission standards. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. With the shut downs due to the virus, our normal service company that does that for us is closed. Vise grip, needle-nose and standard pliers. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. 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? Need advice: 454 VI L29 Build | Hot Rod Forum This project will also let customers know if spendintg approx $2300 on all these upgrades is going to give them the results they need from their big block engines. merci. . We can send a pre-programmed ECU on core exchange. If I order a ecm reprogram will this fix my speedometer error too?? 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Does this computer hav egr delete programmed into it. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. Solenoid resistance: 12.5 Ohms. So if I have your tune done what is the turn around time sending my PCM to you? 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? . Installed E3 spark plugs which seemed to help. Just need a working substitute, no enhancements really needed. 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). Without going into the engine, they make a supercharger kit for it, I know whipple use to. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. what does this do at emission inspections?? When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! 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). I have a vortec454 in a non smog az tow vehicle. Any "recalibration" would require sending your ECM to us for programming changes. 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. Turn around time is 1-2 business days. (454 used only MAP) 2. My next upgrade is going to be exhaust. 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. The truck does not need to be emissions compliant. Jump to Latest Follow . 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. 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. The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. I like my shift points where they are. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! performance, modifications, classifieds, troubleshooting, maintenance, and more! 3. I am ready to pull the trigger if I continue to run 87 octane fuel. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. Short tube headers won't do anything for you but long tube headers would he beneficial. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. 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. Yes, all gains listed are with 87 octane gas. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. For GM vehicles, the Vortec variant increased power by 60 horses. $199.95. Thank you for any information you could give me. This upgrade will not only improve overall top end power but it also . How to Make Power with a Chevy TBI V-8 - MotorTrend Yes, we could accept the PCM from your '98 as the core. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. 5. The Vortec 8100 (RPO L18) is a V8 truck engine. We don't however specialize in forced induction applications so we would not be able to help you with that. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. 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. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. 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.

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