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LS1 to 2004 6.0 swap

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Old 10-01-2008, 12:33 PM
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Default LS1 to 2004 6.0 swap

I have a 99 Wrangler with a LS1 /4L60E combo.

The LS1 is a 2000 motor and some piston slap in the morning and the miles are unknown.

I am going to pull the LS1 in a few days to rebuild over the winter.

I want to replace it in the short term with a 2004 6.0.

I will swap over all the accessories, intake and fuel rails.

Two questions.

Will my stock LS1 flexplate bolt up to the 6.0 or do I need the 6.0 flexplate?

I have a 2003 LS6 cam and a set of Comp Cams 1.85 roller rockers I want to put on the 6.0. I know the cam will work but do you see any problems with the rockers?

Thanks
Old 10-01-2008, 12:58 PM
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The LS1 flexplate will work fine. I've used a 5.3 flex plate when I put in a LS1 and the same plate for a 6.0.

Not 100% sure on the rockers but I would just stay w/ the stockers IMO.

Btw, any pictures of your TJ? I'd love to have that setup!
Old 10-01-2008, 02:38 PM
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The rockers will work just fine

....as long as they're intended for GENIII/LS style engines, if they were on the LS1 they will work on the 6.0

Last edited by budhayes3; 10-01-2008 at 02:44 PM.
Old 10-01-2008, 02:58 PM
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Default Update springs

The 1.85 rockers are for a LS1.

Should I use LS6 springs or do I need Comp 918's?

Thanks
Old 10-01-2008, 04:45 PM
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LS6 cam, LS6 springs Even with the Comp rockers the LS6 springs will suffice.
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