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We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? Topping the engine is a borrowed four-barrel Holley XP carburetor. Headers suggested. Not only did the cam swap net an additional 52 horsepower (peak-to-peak), but the gains exceeded 80 hp higher in the rev range. 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. my old part number on ecm is 16263494 on 1999 454. Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. Bosch p/n: 0280155884. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. 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. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Change to a synthetic oil that is light-weight. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. Check out their web sight Bankspower.com I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? We have been doing them on a limited basis, it has been very challenging to find good cores to use. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Need advice: 454 VI L29 Build | Hot Rod Forum GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each The old, weak 240 HP 454 is every bit as. Mostly people saying to try this and try that. Prices increase after 2/28. That just won't do. Vehicle Monitoring and data-logging like no other! 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. Also, is shipping included both ways? How much can you get them for? 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. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. Barranquilla Carnival Costumes, Arctic Cat Brochure, Prefab Granite Sizes, Articles OTHER

In this issue, we will talk about some important skills needed for office par...