1987 mercruiser 350 compression

[fieromx3]

does anyone know what the compression is supposed to be for a mercruiser 260hp 350 chevy engine??? boat year is 1987.

what is the minimum allowable and the 'new' condition compression set out by mercruiser??

 

[Alumarine]

150 is what it should be.

 

[fieromx3]

is 150 in a perfect world or is that minimum??

 

[Rick Stephens]

150 new. Merc says 100 minimum. And lowest cylinder within 70% of highest.

Rick

 

[Rick Stephens]

Duplicate, somehow

 

[fieromx3]

thank you!