bore 5.3 block
#11
Like stock48 said above, and I said in my first post. The determining factor to how much of an overbore your block can sustain will be the results of the test!!! Those people having issues most likely did not have their bores tested before overboring!!
#12
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Raggedz71
TOWING & OFFROAD PERFORMANCE
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07-29-2016 11:20 AM