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not plugged. tried changing out the distributor components and timing it. still no luck. has no cat and has lots of exhaust flow. only thing i can think of at this point is a vacuum problem.

ok on start up engine runs accelerates and revs as it should. after it reaches operation temperature it wont reach 5k rpm and with a load at operating temp it wont run over 3k rpm. it gets lower as i drive. if i kill the engine while the clutch is in and pop it to restart it it runs better for a ...