Long time lurker here. I have a 94 GMC C1500 truck with the TBI 350, 4L60E and 3.42 gears that I've owned for the last 9+ years. Hoping to learn more about TBI tuning for better performance and driveability while choosing a camshaft that'll also pass CA smog (for now). I'm wrapping up a bunch of work on the truck now. Replaced timing chain and resealed oil pan, replaced OEM intake with a junkyard find Edelbrock 3704, pacesetter headers, new distributor, and a TBI with ultimate mods and spacer. Have an EP381 fuel pump to install as well. Only other changes I've made are a dynomax 3" exhaust, 2" drop shackles in the rear and a set of Impala SS rims with 245/70R17 tires.