Piston Confusion
03-25-2009, 02:45 PM
#1
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Piston Confusion Been dead set on get Mahle 346 -4cc pistons..why are they .007 smaller then everybody else? I just dont want to bring the wrong size pistons to the builder
03-25-2009, 04:38 PM
#2
3.898 vs. 3.905?? The 3.898 should fit a stock block where the 3.903 and 3.905 pistons are for blocks that have been bored/honed .005-.007". I would ask the builder if he recommends going oversize or if the cylinder walls are fine.