I believe the EP377 is the TPI fuel pump, which hangs in the tank just like the one in your truck if it's pre '98.
Buddrow
Type: Posts; User: buddrow
I believe the EP377 is the TPI fuel pump, which hangs in the tank just like the one in your truck if it's pre '98.
Buddrow
No, he is referring to the timing tables in the .bin. The vortec heads like a lot of timing and will benefit from a change in the timing/advance curve. This requires tuning...