How much play is aloud

[txny13]

"how much play is aloud in the

"how much play is aloud in the piston bore ,i can move mine some plus there is no ridge to cut out in the top of the bore"

 

[boatdoc55]

I allow up to .003 in small bl

I allow up to .003 in small blocks.

 

[fastjeff]

That's pretty tight. About

That's pretty tight. About 7 thou is more common.

Jeff

 

[boatdoc55]

Straight from the Volvo Penta

Straight from the Volvo Penta repair manual:
Maximum piston clearance: mm 0.69
in 0.0027-0.0035