Originally Posted by sentranic
Hi, guys i try to figure out 53J 4L tubular exhaust, no egr, no ribs, gold/black channel valve cover, i read some post that said, its a 10:1 some buddy can confirm this?
Hi, guys i try to figure out 53J 4L tubular exhaust, no egr, no ribs, gold/black channel valve cover, i read some post that said, its a 10:1 some buddy can confirm this?
could be. Compression test it.