View Full Version : Piston to head clearance


67 Plum
Dec 11th, 03, 02:08 PM
On a circle track motor 7000 rpms. What is the minimum amount of piston to head clearance?

oger
Dec 11th, 03, 02:40 PM
What motor what rod?

Eric68
Dec 12th, 03, 05:07 AM
what piston? cast or forged, tight or loose . . .

67 Plum
Dec 12th, 03, 02:22 PM
350 0.060 over Manley forged light weight pistons , GM powdered metal rods. Thanks.

Eric68
Dec 12th, 03, 05:07 PM
Personally, I'd go no tighter than .035". Lower RPM and you could go a little tighter, but real tight doesn't gain you much for your trouble.

Just my opinion.