boring a 5.3
boring a 5.3 i am looking to bore my 5.3 out to LS! specs at 99mm but i am having a hard time finding pistion at the stock ls1 bore they are all a little over sized around 99.187 mm is it safe to take a 5.3 block the extra .187 mm over 99mm ?
I am doing the same thing had an iron block 5.3 bored out to ls1 specs. If you want to go with the stock size 99mm (3.898") you can get those pistons from Mahle if you go to jegs.com and look for part number 644-LS1340898F01 it comes with pistons rings pins/clips. That is where I got mine from.
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Verdad Gallardo On the LS4 FWD application, I belive it is the crank that has a shorter snout and a balancer that hugs the block.
similar question... i just recently cracked a sleeve on my motor.. can get a 5.3 iron block really cheap. Looking to have it bored to diamond 3.905 piston specs. Seems the concensus is that this can be done. Correct?
