could someone tell me what a good compression is for my motor.i have 90 right now.
B bgooden Seaman Apprentice Joined Mar 7, 2010 Messages 44 Jul 19, 2010 #1 could someone tell me what a good compression is for my motor.i have 90 right now.
Bob_VT Moderator & Unofficial iBoats Historian Staff member Joined May 19, 2001 Messages 26,065 Jul 19, 2010 #2 Re: compression on 86 175 !! 90 is fine for a 175 and as long as all the cylinder's are within 10% of each other you are fine.
Re: compression on 86 175 !! 90 is fine for a 175 and as long as all the cylinder's are within 10% of each other you are fine.