I have an 87 conquest. I am running a Holly EFI standalone computer ,car fires up fine with cold start and will fire up fine if it’s been sitting for at least an hour or more after reaching full operating temperature. But, if I shut it off after it’s fully warmed up and then try to start at five minutes later or 15 minutes later, it won’t start or as hard to start. I know a lot of the community  runs aftermarket computers and may have some thoughts on this. I will tell you that my fuel pressure

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If you’re pulling it only to change out the head gasket for an Ajusa, add a set of ARP studs, and replace the timing chain/ eliminate the balance shaft. the engine has a little over 70k on it, but that still doesn’t change the fact that it has still been on the engine for 35 years.    I’d think at the very least have them clean and ck it, touch up the valves replace the seals,….maybe true up the head mating surface? Seems logical to me. On the other hand, I have heard that tig

Hey, This is my first post but have been using the fourms for awhile to help with problems. But anyways, I'm trying to figure out why my isc only moves when the car cranks over. In the on position, it sits at .04 volts which indicates a problem. Out of options, I probed the harness connector with the ecu unplugged, and it appears that isc plunger ground is grounding to the mps signal wire. I looked at the electrical diagram and noticed those two wires go to the ecu without intersecting. Is