Thread: My 400 yz
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  #30  
Old 01-01-2022, 04:44 PM
Ramairnacho Ramairnacho is offline
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Join Date: Aug 2021
Location: Antioch Ca
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Default Pistons and gaskets

Quote:
Originally Posted by 67Fbird View Post
just some info on PISTONS!!! BEFORE you deck anything make sure you have your PISTONS in hand as they all vary in their compression height number.

IIRC Icon is 1.490
DSS is 1.480

that's .010" difference just in the same XXXX dish piston. Also Head gaskets matter. Seems the Felpro's are about .038-.039 while the Butler's come in at .045-.046 so...again another .007". When putting everything together you have .017" of deck difference JUST N WHAT YOU BUY..
The machine shop owner indicated buying thick forged pistons and he custom dishes them saving money vs. Buying the butler dished pistons. And what's the best gasket set. I'm guessing Butler or will I be ok with a standard Fedorov engine kit. Inalso plan on reusing my freeze plugs or do they go bad too?