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No Compression After re-built 120-130

posted by  poderoso on  Sun Jul 30 15:10 CST 2023
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Good Afternoon Everyone,

Just finish running the engine with the carbureted cylinder head. There is compression (90 lbs) on number 3. I also put gas on both the intake/exhaust port of the FI cylinder head number 3 cylinder, to see if it would leak out. Id did, on the exhaust port. However, is leaking through the top of the valve spring, maybe the valve guide is lose, Now, the car runs but cylinder number 3 I'm only getting like 90 lbs compression with the carbureted cylinder head. Rest of the cylinders is in the 120+ lbs compression. Will keep digging into this. Thinking I need to put new valve guides on the cylinder head (FI) one. Hopefully it will work.

Thank you for all the input.

Luis






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