6.2 stock piston size?
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TECH Apprentice
Joined: Aug 2010
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From: Mexico
6.2 stock piston size? hey guys, I've been having some trouble with stock piston size from any 6.2L (L92, L99 or LS3) found it was 4.065, some say 4.060 or 4.062, all of them have the same size bore? thanks
The 6.2 liters are 4.065 bore. The 6.0 liters are 4.00 bore. They share the same crank dimensionally speaking, and the bore sizes are all the same for each family, meaning ALL 6.0 liter engines are 4.00, and ALL 6.2 liter engines are 4.065. Iron or aluminum.
Keep in mind the 4.065" bore is the finish bore of the cylinder, not the piston!
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Thread Starter
TECH Apprentice
Joined: Aug 2010
Posts: 333
Likes: 0
From: Mexico
My bad, I misinterpreted what you were asking. As a general rule of thumb which will vary from builder to builder slightly, the piston is .005 smaller than the bore. So in thie case of a 4.065 bore, the piston will usually be a 4.060
Really depends on the piston material, and other factors also, like block material, forced induction, nitrous, etc, etc. Hope this helps.
Really depends on the piston material, and other factors also, like block material, forced induction, nitrous, etc, etc. Hope this helps.
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Verdad Gallardo Your machine shop would measure before doing any machining, but they will be about 4.061" or so measured 90º from the pin.
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
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