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  3.4L - can I stay with it's 4sp auto?

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3.4L - can I stay with it's 4sp auto? by MichRT
Started on: 06-29-2015 02:59 PM
Replies: 5 (102 views)
Last post by: olejoedad on 06-29-2015 06:48 PM
MichRT
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Report this Post06-29-2015 02:59 PM Click Here to See the Profile for MichRTSend a Private Message to MichRTEdit/Delete MessageReply w/QuoteDirect Link to This Post
It's a simple question really, and I've looked everywhere for an answer. I have an '85 Fiero SE with the stock 2.8 V6. I'm lookin in to buying a '95 F-body Firebird with the 3.4L. It's got the 4spd automatic trans, and 1st gear in my Fiero's 3sp slushbox is slipping to shreds (I made the mistake of replacing the tranny fluid). So my questions sits as it is:

When I swap the engine, can I use the newer 4sp auto? Or is it easier to rebuild my crappy 3sp? (I don't have the shift linkage anymore to convert her to manual). Thanks!
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thesameguy
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Report this Post06-29-2015 03:19 PM Click Here to See the Profile for thesameguyClick Here to Email thesameguySend a Private Message to thesameguyEdit/Delete MessageReply w/QuoteDirect Link to This Post
Totally different - the f-body is a longitudinal transmission, the Fiero's is transverse. Wouldn't work.
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MichRT
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Report this Post06-29-2015 03:30 PM Click Here to See the Profile for MichRTSend a Private Message to MichRTEdit/Delete MessageReply w/QuoteDirect Link to This Post
Wow, I just realized how stupid my initial question was. Thank you!
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fierofool
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Report this Post06-29-2015 06:00 PM Click Here to See the Profile for fierofoolClick Here to visit fierofool's HomePageClick Here to Email fierofoolSend a Private Message to fierofoolEdit/Delete MessageReply w/QuoteDirect Link to This Post
But you could go to a 4T60 4-speed auto. Or have your TH125C rebuilt with better components.
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zzzhuh
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Report this Post06-29-2015 06:35 PM Click Here to See the Profile for zzzhuhSend a Private Message to zzzhuhEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by fierofool:

But you could go to a 4T60 4-speed auto. Or have your TH125C rebuilt with better components.


Or get a manual
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olejoedad
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Report this Post06-29-2015 06:48 PM Click Here to See the Profile for olejoedadClick Here to Email olejoedadSend a Private Message to olejoedadEdit/Delete MessageReply w/QuoteDirect Link to This Post
The 4T60 with 3.33 final is great transmission behind the 3.4 in a Fiero.
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