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What do i need for TH350 swap?

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Old 06-20-2005, 01:44 PM
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Default What do i need for TH350 swap?

What all do i need to swap into a th350 in my 99 SS.
what about drive shaft, torgue arm and anything else i may need....

and how bad will the gas milage be with 3.23 gears?

thanks
chris
Old 06-20-2005, 02:42 PM
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Call Rick or Chuck at HPE...They will let you know everything you need and how much it costs!!!!! They are sponsors on this forum. The number to horspepower engineering is 281-448-1300. Good Luck!!!!
Old 06-20-2005, 04:29 PM
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we now have the crossmembers with and without the torque arm mounts
for the 350 in LS1 F-body
www.converter.cc
Old 06-20-2005, 04:29 PM
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https://ls1tech.com/forums/showthrea...ghlight=th+350

https://ls1tech.com/forums/showthrea...=th350+shifter

https://ls1tech.com/forums/showthrea...ghlight=th+350

If you have anymore questions feel free to ask, but those links will get you in the ball park..Jim
Old 06-20-2005, 09:05 PM
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on the gas milage, ride around with your 4l60 in third for a few days, and check gas milage. should be right on with a th350.
Old 06-20-2005, 09:48 PM
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Thats pretty close..i have a 3800 stall and thats about what its like..a little more throttle and deeper then 3rd in a 4l60e but still great comparison..
Old 06-20-2005, 09:54 PM
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Default thank you...

Thank you all the GREAT info.... you guys are the ****.



thanks
chris
Old 06-20-2005, 09:56 PM
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do not do it...i have a friend with this trans...and he HATES it
Old 06-20-2005, 10:13 PM
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i have a turbo action cheetah scs shifter and complete braided line b&m race cooler trans cooler setup both for sale from my old th400 setup.
Old 06-21-2005, 04:35 PM
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Originally Posted by ApacheDrill
Thats pretty close..i have a 3800 stall and thats about what its like..a little more throttle and deeper then 3rd in a 4l60e but still great comparison..
are you referring to third gear in a 4l60e vs a th350?
they are exactly the same. 1:1.
Old 06-21-2005, 04:47 PM
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Yeah but the 3rd gear in a TH 350 is virtually bullet proof....
Old 06-21-2005, 06:39 PM
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Originally Posted by ApacheDrill
Yeah but the 3rd gear in a TH 350 is virtually bullet proof....
anything is bulletproof over a 4l60.
you are correct sir.



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