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Re: B23 piston fit-the rebuild continues... 700 88

Like someone else wrote,there is no substitute for measurement. You can develop that 'shit there is a problem feeling', then you measure. You will still find the ring gaps are pretty close however. Did the shop have the pistons when they re-bored?

If the brief was take this block up a size it will almost certainly be wrong, too tight and the piston will pick upon the skirt, too loose and you won't get good engine life. Trouble is there is noo "right" clearance, careful running in lots of life street engine needs to be tighter than thrash the hell out of it on the track straight out of the box.

My advice would be if you are not sure, take it back and stand over them when it is measured, even if it is absolutely spot on you won't feel as big an idiot as having the car come home on the end of a towrope after its first outing.

Regards






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