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Forum: General Q & A

04-10-2016, 07:41 PM

Replies: 44

454 compression test question

Views: 34,609

Posted By BUP

Mercruiser in the service manual for 1993 thru...

Mercruiser in the service manual for 1993 thru 1997 big block 454 and 502 listed the compression pressure at 150 psi for all black production side engines. Then in 1999 Merc listed the SB as I...

Forum: General Q & A

04-10-2016, 05:09 PM

Replies: 44

454 compression test question

Views: 34,609

Posted By BUP

Per mercruiser recommended ranges and test...

Per mercruiser recommended ranges and test procedures regardless what many might not know or think. Just putting it out for info.

http://www.boatfix.com/merc/bullet/97/97_25.pdf

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