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FarmTruk · 02-19-2007, 02:53 AM

I believe when the LT1's switched to 1 pc rear main seals, the General changed to internal balance. However, the internals are lightweight, so any changes, such as "over-size pistons" could throw the factory balance off.

02-19-2007, 02:53 AM	#3
FarmTruk In Memoriam... Join Date: Nov 2006 Location: Wallburg, NC Posts: 1,216	Re: LT1 internally balanced? I believe when the LT1's switched to 1 pc rear main seals, the General changed to internal balance. However, the internals are lightweight, so any changes, such as "over-size pistons" could throw the factory balance off. __________________ '68 C10 SWB 307ci 2BBL *FarmTruk Pics Here* *"You know, doing what is right is easy. The problem is knowing what is right."*