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01-24-2010 07:09 PM #1
454 block with 366 crank &502 heads
I built this engine wit a 454 block from a 1976 chev truck motor and put a 366 dump truck crank and 396 rods with domed pistons and it ran very well but has a rear main leak and has a coolant leak on the passenger side wondering if there could be some problems with this build. I was told this makes a 427 .
Is it going into a build, or making a trip to NM?
GM Engine de-coding