RE: engine compression

["Bruce Bell" <bbell04@ibm.net>]

Be sure to remove all the spark plugs prior to the test and make sure the TB
is full open. 95 could be reasonable on a motor at high altitude. I get
about 95-100 at 5300 feet with a Schrick 272 cam.

Bruce

> I bought myself a compression tester to check the compression in my
> engine, which I did, but other than finding references as a
> ratio (8.5:1
> or whatever) I don't know what the readings mean.  I only checked 2
> cylinders so far, then the battery started getting run down (yes I do
> need a new battery!).  I got 95 psi on each cylinder.  Is this good?
> bad? what should it be?
>
> The patient is a Canadian 1986 (mid 85 manufacture date) 5KTQ 5cyl
> 5speed trans with no modifications at all (yet).
>
> TIA
> Stephane Livolsi
> 180 Yorston St
> Williams Lake, BC, V2G 3Z1
> ph 250-392-2637
> fax 250-392-2693
>
> '86 5KTQ stock (if you don't know what it means, you aren't
> in the club)
>