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Hudson 1916 - 1929
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Hudson 8 compression value
What would the compression PSI value have been on a 1949 Hudson 8 had been when new? My used engine averages 75 PSI. thanks, Don
Probably around 100 p.s.i., but remember there are differing factors to take into account. Valve seating, tappet clearance, piston ring sealing, oil thickness, engine temperature, cranking speed etc. If your compressions are all equal, and the engine is not burning oil, you don't have anything to worry about.
If you're stuck in a hole, stop digging.
My 37 Hudson 6 cylinder had around 75psi. After new valves, guides & piston rings it was around 115psi after around 350 break in miles.
Thank you for your information. It gives me a base to judge my used engine.
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