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TOPIC: Merc 500 Compression test

Merc 500 Compression test 9 years 4 months ago #125542

Hi

Does anyone know how many PSI a 1963 Merc 500 (Cloud White) should produce?

I downloaded the manual from a site called the service manual vault (which I presume is the same as the service manual provided by Oldmercs.com) but it does not appear to contain that depth of information.

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Re: Merc 500 Compression test 9 years 4 months ago #125546

120 is ideal but both should be close to each other. remember gauges don't always read the same .

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