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Cast iron 5.3 blocks

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Old 07-07-2015, 02:15 PM
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Originally Posted by blueracer15
how much meat left over
I haven't gotten my block back from the shop yet and don't figure I will for at least 7 to 10 days. Once I do I will get a measurement and post it up.
Old 07-28-2015, 10:31 PM
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Machine shop called me today saying the block was done.


Said the largest they would go and it be safe for racing is 3.880 bore. And that is with sonic checking the block.


Which, if I combine that with a 4 inch crank will give me a 6.2L engine.


Now to go spend $900 on a set of Wiseco forged pistons, $500 for Callies Compstar forged H-beam rods, and $915 for a forged 4 inch Eagle crank.
Old 07-29-2015, 11:35 AM
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Originally Posted by BigEd_72455
Machine shop called me today saying the block was done.


Said the largest they would go and it be safe for racing is 3.880 bore. And that is with sonic checking the block.


Which, if I combine that with a 4 inch crank will give me a 6.2L engine.


Now to go spend $900 on a set of Wiseco forged pistons, $500 for Callies Compstar forged H-beam rods, and $915 for a forged 4 inch Eagle crank.
Just have them punch it out .018" more at the stock 3/898" LS1 specs. You'll save money on shelf pistons rather than having Custom pistons made for a 3.880" bore.
You'll be just fine and enough meat on the cylinder walls.
Old 07-29-2015, 11:36 AM
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They are refusing to go more.



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