I think I might be running into a problem

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Oct 16, 2012 | 09:05 PM

#11

1FastBrick

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From: JunkYard

Quote:

Originally Posted by Gadgetized

Well just so everyone knows, the 99 6.0 crank will not work in place of the 5.3. I found out the hard way. I got the engine ready to drop in, and it is way different. The only fix is to get a 5.3 crank, and have it balanced, tear the motor back apart, and replace it. Not a good day...

Sorry I wasn't around when you posted this up. You need a flat style Flex plate like the 6.0 I have seen aftermarket SFI ones that are flat for the LS series engines. Several companies make them you just need to make sure it fits the 4L80E bolt pattern.

Hughes part # HP4004X-EBP
TCI part # 399754

Sorry to hear you went through the trouble of machining the rear snout of the crank.