Thread: LT1 problem.

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Vapor lock????shorty headers, residual heat under hood---maybe a defective fuel pressure regulator

Is CC, IL coal city?

Originally Posted by jerry clayton

Is CC, IL coal city?

Yup.

He hasn't checked fuel pressure yet. It's on the to do list. He's been running this combo for years with no major problems. I think he's ordering the diagnostic & editing software. That should help narrow down the problem. This car runs 14 flat on a good day. I think it should have mid 13's in it. The person he bought it from never tuned it after rebuilding with after market injection, cam, headers, etc. I think the ECU is confused with the new parts. It runs fairly good when it's cold, but runs bad when it's hot so it must be a closed loop problem some place. After guessing wrong a couple times, he's decided to get the software before buying any more parts.