Gutted precat causes truck to run rough

Tweaker i didnt understand the question sorry! i thought you were talking about the vacuum canister for the rats nest of stock vacuum lines. Yes, i do have the vacuum advance hooked up.

I will check the valves and timing tomorrow. Those are good points.

Cusser, it goes into overdrive so i think the cable is operating fine. Just doesnt have any top end power.

If i wasnt getting correct fuel pressure/volume wouldnt i have stuttering issues? the new filter cleared that up