trying to avoid compression test

jalexander06

Registered User
My '92 SC seems to have some sort of thumping miss. The thumping or vibration can be felt all the time, with the coil unhooked and the starter just turning, idling, or reving the engine. I'm thinking bent valve maybe and I'm trying to avoid a compression test because if that is what is wrong with it, I will send it out to have it fixed. ANY SUGGESTIONS?
I forgot that every once in a while it will start up and run fine for a day.
 
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