Re: 4.0 Piston size
Typically pistons marked with a numerical like 010 or 10 are indicating they are an oversize piston,
010 for .010"
20 for .020"
.050" oversize seems larger than normal, but i am not a machinist so I can't say whether the 4.0 bores can accept that large a piston for sure.
Not a ton of info here, but HTH.
Last edited by BDKR; 04-24-2009 at 03:24 PM.
Reason: crappy spelling