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Compression

Post by moomoo » Fri Jul 13, 2018 11:09 am
Joined: Tue Mar 12, 2013 7:18 pm
Posts: 108
Hi,

What would be seen as good compression on a 1979cc CiH engine? What psi should be achieved in each cylinder? What would be classed as 'defective'?

Thanks

Re: Compression

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Post by Phil Bradshaw » Club admin » Fri Jul 13, 2018 11:27 am
Joined: Sun Sep 02, 2012 7:15 pm
Posts: 3701
Good: anything above about 7 bar (100psi) hot for the 20T engine.

Defective is more than 1.4 bar (20psi) variation between cylinders.
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  • What is real is not the external form but the idea, the essence of things. Constantin Brâncuși

Re: Compression

Post by moomoo » Fri Jul 13, 2018 9:00 pm
Joined: Tue Mar 12, 2013 7:18 pm
Posts: 108
Thanks Phil....I'll check things over.

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