454 vortec performance upgrades

1996 c3500 dually 7.4 with 5 speed. It is an all-iron engine (block and heads . I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. Please see our shipping terms for more information. 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. Stage 1 Upgrade for Mercury 525 EFI. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. do you think I could get more power with your ecm re-program? Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? I called Banks Power last week to try and find out what they recommend. It is $495 if your sending your core/pcm in first. 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. We do not go further back than 1996 (OBD2) modules, sorry. Reasons to buy: The heads, pistons, and intake are stock. Will the UltraPower tune, give me the "best bang for my buck" performance increase? 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? Just need a working substitute, no enhancements really needed. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Your vehicle is not compatible. I have the 411. We are running about 2-3 days on turnaround right now. 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? 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? No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Best, least expensive way to get more power out of this engine is with our custom tune. 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. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! Performance. I recently ordered an ecm for a 7.4 vortec and was very impressed. 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. The old cast-iron cylinder heads and low-rise intake manifold were dumped in favor of some aluminum PowerOval 280 heads from Trick-Flow with upgraded valvetrain and a Summit single-plane intake manifold. I replaced the relay to no avail. Yes, we can do that. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. We don't however specialize in forced induction applications so we would not be able to help you with that. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. The problem with making more power is that cost and performance often go hand in hand. Also the torque management. Really? Do you offer anything for the 5.3? I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. We can easily do this with the specs you provide. Check if this part fits . We modify this so that it is still "safe" but definitely wakes the truck up. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. 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. Reference core exchange, what is the time limit for you to receive the exchange? We will safeguard your e-mail and only send content you request. I dont have the 2000 VIN only the VIN from my 1995. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. How To Add 70 Percent More Power to A Chevy 454 V-8. Having tried the things you already have, I am pretty confident the issue is the PCM. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. 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 won't change the exhaust or add a ring eating K&N. Later i want to install the banks PPB 49070 package on this motorhome next year. Is it possible to get the newer 0411 with your tune for my truck. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Buy your Innovative Performance Chip/Power Programmer at Amazon! We use the original black box PCM's. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. GAS MILEAGE. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. 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. Jump to Latest Follow . I will be sending you my ECU. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. 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. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Now, that poses the question: what would you shoehorn this big-block Chevy into? Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. 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? Yes, it definitely will. We can tune it if you can build it :). Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. 454 L29 Power Upgrade. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. We tune the original black box PCM but do not do the 411 swap. 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. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Also I have Thorley tri Y hearers on mine will that effect the tune? While we do get reports back of fuel economy gains, that is something we can not guarantee as there are just too many variables that can affect an RV's fuel economy. Installed E3 spark plugs which seemed to help. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. 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). Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . We will set the tune up based on your modifications and requests. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. We are currently out of clean/painted cases for the PCM's. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. Change to a synthetic oil that is light-weight. Yes, we can tune your L21 for similar gains as with the L29. So if I have your tune done what is the turn around time sending my PCM to you? The Gray, the green with white strip and the black test grounded. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. At times I get a dtc for bank 1 and 2 too rich. 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. 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. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. You may also like. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. I think they were made before Chevy started using real tornados. My question is what cam you would recommend for towing? Engine is in stock configuration with no upgrades. Thanks. Just make sure to include that information in the order comments and we can make that happen for you :). The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. With the baby stock cam they made 290hp and 415 ft lbs of torque. All fuel injector specifications meet or exceed the manufacturer's specification standard. 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. Hello! If you would like to place your order feel free to give me a call at 800-417-4559. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it.