Quote:
Originally Posted by 40 Deluxe
Don't think 8BA's ever had factory thin wall sleeves. But the .0825" over pistons used when sleeves were removed were a common size. Very simple for the rebuilder to rebore a worn 8BA to that size and use those pistons. No sleeves need be involved!
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Sleeved engines were 221 cu ins. The finished bore was 3.0625"
Sleeve was .040" wall thickness,requiring a hole 3.142" for sleeve.
That hole was honed to 3.145" that ended up a 3.0625"+.0825"=3.145"
That is smaller than a stock 8ba bore.Can't be the combination op has.
R