Help needed: Cosworth piston sizes +0.25

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Oct 1, 2008 | 07:58 AM

Steve Escos

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From: Nth Lincs

Help needed: Cosworth piston sizes +0.25

Just wondered if anybody can give me an answer on the above. What size should a +0.25 cosworth piston be? or if it is easier what oversize is 91.275?.
Regards Steve

Oct 1, 2008 | 08:04 AM

Dirty Harry

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From: Derbyshire

Quote:

Originally Posted by Steve Escos

Just wondered if anybody can give me an answer on the above. What size should a +0.25 cosworth piston be? or if it is easier what oversize is 91.275?.
Regards Steve

91.275 is .5 mate,Mahle dont make .25 pistons