Normal compression for 79 Merc V6 150

[kevlar3000]

The snow is melting, so I am starting to think boats.. Is the normal compression 120-125 with no more than 15 psi difference? Thanks..

 

[kevlar3000]

Re: Normal compression for 79 Merc V6 150

Sorry, thats for a Merc V6 150 1979 year.

 

[JB]

Re: Normal compression for 79 Merc V6 150

Howdy, Kevlar.<br /><br />Actually, anything over 100psi is good, as long as all cylinders are close to each other (15%).<br /><br />

 

[kevlar3000]

Re: Normal compression for 79 Merc V6 150

Thanks JB,<br /><br />You can be glad your out of the northland, We got 19 inches of snow in April! Most since 1895... Was snowing briefly on May 2nd.... Bad spring mojo imo.