Crankshaft compatibility
#1
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I am working on a 4.8 vortec out of a 2000 silverado and I broke off the bolt in the nose of the crank. This is a stock crank with the thicker flange. I know most of the 4.8/5.3 engines are very similar, my question is what crankshafts can I use to replace the stock one? Can I go to the local junk yard an pull one from a 5.3?
Thanks
Jeff
Thanks
Jeff
#2
Restricted User
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You can't use a 5.3 crank with 4.8 rods.
You can use a crankshaft without the thicker flange IIRC.
As long as its a 24x crankshaft, anything should fit in that block without issues.
You can use a crankshaft without the thicker flange IIRC.
As long as its a 24x crankshaft, anything should fit in that block without issues.
#7
Launching!
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If you go with a 5.3 crank, you will need the 5.3 connecting rods, then use your 4.8 flat top pistons. And you'll have a high compression 5.3. that is my winter project this winter. good luck with what ever you do brother.