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TH350 to a ls motor.

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Old 01-15-2011, 01:16 PM
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Default TH350 to a ls motor.

What do I need to mate a th350 to an ls motor (5.3)? And what converter would I need for a 5.3 turbo with a z06 cam, 317 heads, ls6 intake and tb. Its going in a 2800lb s10 with 3.08 gears and with mostly be used for the street.
Any help will be greatly appreciated!
Old 01-15-2011, 06:04 PM
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you will need a flexplate and spacer plate gm sells it comes with bolts you will have to check the bellhousing at the top center because usually the top bolts on the rear engine cover will hit it making the trans not completly mate to the block if it is left this way you will crack the bellhousing a friend of mine cracked his as for the converter you need to match up the converter mounting holes to the flexplate before you bolt the flywheel to the motor some holes on the flexplate may have to be drilled out to fit this is much easier to do if you lay the flexplate on top of the converter to match up the closest bolt pattern
Old 01-15-2011, 06:34 PM
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Can't you just buy a TH350 converter made for an LS1 and be done?
Old 01-16-2011, 09:54 AM
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Originally Posted by mshadow
Can't you just buy a TH350 converter made for an LS1 and be done?
+1 I was under the impression that they made converters speciffically for th350 to ls1 swaps?
Old 01-16-2011, 04:59 PM
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Originally Posted by mshadow
Can't you just buy a TH350 converter made for an LS1 and be done?
Originally Posted by boosteds10
+1 I was under the impression that they made converters speciffically for th350 to ls1 swaps?
Yes you can, I got mine from PTC



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