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compression with slp head

B

bustamove

Active member
Any idea what my compression should be on a 9 with a slp 0-5000 head?
im reading 105-110 cold. 5 pulls. i know thats alright for stock.....
 
that to me seems on the low side for stock.... My stock heads were around 120-125.... You have some base gaskets going? How many miles on the top end? Rebuild time possibly
 
I your not using a small engine comp gauge you may be getting a false reading.
 
hmmm i tore it down last year to inspect, so gaskets should be good.... its been two years on rebuild.

and yea i am using a cheap princes auto automotive tester...hmmm

also when i tore down last year, i was right on the limit on piston to cyl clearance so i might just rebuild this year..... don't wanna take any chances...
 
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