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Old 04-04-2005, 11:33 PM   #1
1STtimePRo'71
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Compression

How can I check the compression on my 350. I just got a comp. tester from my grandpa that passed. Also is there an area that the ratio should fall into. It's a stock motor, the only thing that has been replaced is the carb. The higher the compression the higher the performance right?
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Old 04-04-2005, 11:51 PM   #2
sneakysnake
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You pull the sparkplugs and depending on the type of tester, either thread it in or the stopper type hold it in the hole and have someone crank the engine,
a even number between all the cylinders is what you want but some where in the 120 range. P.S. pull the coil wire if you dont want it starting.
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