maximum bore size mark IV block?
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what is the maximum bore size of mark IV block?
used 4,500 with no problem under very stressful conditions(blower 8 psi),what about 4,600?
used 4,500 with no problem under very stressful conditions(blower 8 psi),what about 4,600?
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On the older chevy bowties mk 4 Siamese cylinders.
4.560 max.
4.560 max.