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Old 11-21-2018, 12:38 AM
madden madden is offline
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i understand boring a block as i have several drag cars that i built engines for

my issue was i did not know if the LT1 came with 4.00 inch bore OR 4.030 bore due to the fact i had read some many different things on this site and others

i felt that it could have been very possible for don yenko to bore the yenko engines out for several reasons

thanks everyone for the answers

i will continue looking now for LT1 4.00" OD forged GM TRW pistons

thanks again
regards
chris
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