'00 GA trans into '01 Impala? - 60DegreeV6.com

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Brad_Olson

Join Date: Dec 2007

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#1

'00 GA trans into '01 Impala?

03-27-2009, 08:45 PM

I have a chance to pick up a 3400 and automatic transmission from a 2000 Grand Am. Is this transmission the same model that's in my 2001 Impala (also 3400)? I'm thinking that I could have it rebuilt and then swapped in.

Thanks!

Brad
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bszopi

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Join Date: Apr 2000

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#2

03-27-2009, 08:49 PM

2001 Impala most likely has a 4T65-E, whereas the 2000 GA will have either a 4T40-E or 4T45-E.

-Brad-
89 Mustang : Future 60V6 Power
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Brad_Olson

Join Date: Dec 2007

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#3

03-27-2009, 08:54 PM

Interesting. Do you know if they're interchangeable? Or are the cases physically different?

Thanks!

Brad
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bszopi

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#4

03-27-2009, 09:48 PM

Waaaaay different sizes. The 4T65E is significantly larger.

-Brad-
89 Mustang : Future 60V6 Power
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Brad_Olson

Join Date: Dec 2007

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#5

03-27-2009, 10:10 PM

Shoot.

Thanks for the help; it saved me some time and money. Guess I'll keep looking!

Brad
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torq455

If I only had money!!!

Join Date: Dec 2003

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#6

03-27-2009, 11:50 PM

yes, two entirely different sizes and internals. you'd also have to be able to tune for the different FDR and slightly different gear ratios.

Andy

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62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.
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