Re: Question on 5.7L Chevy V8 compression
If you blow a gasket or crack a head it`ll blow white smoke. Maybe bent valves. Not a big job. Pull the heads and bring them to your fav. machine shop for a top job. Could also have dents in your pistons. More than 10 % differential on compression on any v8 is a red flag. Bottom line you need to pull the heads. Follow the bolt sequence and you`ll be fine.
GFS
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