TunerPro User Forum

I have worked for two years building a nice 7.4L L29 for my 97 k3500 - heads ported (295 cfm intakes), valves unshrouded, milled, cc matched and polished chambers, welded and ported manifold, Comp 01-411 cam and adjustable valvetrain, Bosch 36 lb injectors from 5-0, custom long tube stainless header...