Re: '68 18GF Engine.

[Paul Hunt <paul.hunt1@virgin.net>]

Harlan Jillson wrote:
> 
>    The info. I have from Haynes and Bentlys lists compression ratios of
> 130 PSI for the LC 8:1 engines and 160 PSI for the HC 8.8:1.  Here are
> the readings I got, plugs removed turning over with the starter motor.
>       #1     198 PSI
>       #2     200 PSI
>       #3     198 PSI
>       #4     185 PSI
>  Any comments?

The other plugs should be *in* for a compression test.  Cranking speed is 
typically 275 rpm.

PaulH.