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LS3 in 4th Gen f-body

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Old 12-05-2008, 05:08 PM
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Default LS3 in 4th Gen f-body

Has anyone used a th400 behind a LS3 engine and if so what will I need to get this to work ?

Motor is carb based set-up , if that matters

Need some Help !
Old 12-05-2008, 06:29 PM
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https://ls1tech.com/forums/conversio...onversion.html

Do a search and you will find more threads like this 1.
Old 12-05-2008, 08:11 PM
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Thanks for the assistance, I'm also in need of Information regarding if a th400 will work on a LS3 ( bolt -up ) and what is needed or has to be done for this to work.

Thanks again for starters
Old 12-05-2008, 10:23 PM
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Probably a Spacer, Gen I Flexplate, and the correct Stall..
Old 12-06-2008, 08:07 PM
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The Gen3/4 engines have the engine-trans bolt pattern similar that a Powerglide will bolt up to an LS9. Read this sticky in the Automatic section to find out how:

https://ls1tech.com/forums/automatic...-you-want.html
Old 12-06-2008, 09:39 PM
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Thanks, That is setting me in the right direction.



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