Pistons
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Stellar HDF Member
Joined: Apr 2009
Posts: 3,039
Likes: 11
From: Northern Ontario
Pistons
Thinking of going .10 over for the pistons on my 89 EVO. The mechanic that went over my motor and is suggesting to do a .10 over suggested using OEM pistons and I'm wandering whats the differnce/benefit from one manufactures piston to the next ?
Road Master
Joined: Jan 2008
Posts: 853
Likes: 5
From: Mnpls MN
The materials used to make the piston, which will effect the application of the piston, the tolerances that each company uses in manufacturing, the placement of the ring grooves in relationship to the top of the piston, the length of the piston skirt, the skirt may be coated with something for wear resistance. All kinds of things.
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