This is an LQ4 with 12cc dish pistons, 7875 VS turbo, sloppy stage 3 camshaft 238/242, .595/.595 112 lsa, with 80lb DEKA injectors and FPR at 58psi....
Yikes. So you think manufacturing defect with the one manifold or across or rather two at this point. That?s an insane catch. How did you get to the...
This file is pretty close to what your Envoy would have been stock. Only segment 2 is different and only by 1 digit. It should be close enough to use...
Without your VIN there is no way to know what calibration would be correct for your Envoy. I have 3 06 Envoy 5.3L files and no two of them are alike...
Its the intake manifold. I just went through the exact same thing. The injector angle is canted opposite of what it actually should be. There will be...
This will fix the incorrect Trans Revs/mile. The calculated tire dia was 24.99". Looks like your throttle is only opening to 71-78% most of the time,...