Quote:
Originally Posted by randy500
Ported vacuum is actually and emissions thing, disconnect it and see how it acts, usually it doesn't matter but it can.
Check the firing order with the exact method I wrote otherwise you don't know if it's right or not. Just because multiple people checked it doesn't mean it right, do it yourself with the method I wrote and YOU will know for sure it's right.
The vac gauge test will be informative too and is a must,
I just had this same problem with my son, he changed the head on his Toyota with little guidance...ran like crap with intake popping, it had a valve open, he didn't adjust the valves after the head gasket change.
Stick with the basics
Fuel
Air
Compression
Timing
What about voltage to the coil, are you still using the factory resistance wire.
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Truck is complete rebuild from ground up. All new wiring,12v to the coil
I will do your idea for timing.
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