Title: Most Pontiac motors had only two bolt main caps. These were the failure prone cap sets. You can see that they are all held on by two bolts. Just imagine that big four foot long piece of cast iron spinning around at 6000 rpm held in by 10 bolts.
File name: Jul24_08.jpg
Owner: Gallery Administrator
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Most Pontiac motors had only two bolt main caps. These were the failure prone cap sets. You can see that they are all held on by two bolts. Just imagine that big four foot long piece of cast iron spinning around at 6000 rpm held in by 10 bolts.
