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What trans do I have, 2/3 slipping

Printed From: West Coast Fieros
Category: Technical Topics Forum
Forum Name: Technical Questions and Discussions
Forum Description: Got a technical question about your fiero? ask it here.
URL: http://www.westcoastfieros.com/forum/forum_posts.asp?TID=3021
Printed Date: 23 November 2024 at 12:49am
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Topic: What trans do I have, 2/3 slipping
Posted By: tweeder
Subject: What trans do I have, 2/3 slipping
Date Posted: 12 August 2012 at 2:01pm
I found these markings. 866 4l80 CFD 910 hydra-matic. Wht tranny is
this and what'd it come from?

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86 GT Convertable 3800



Replies:
Posted By: Capt Fiero
Date Posted: 12 August 2012 at 5:05pm
Doing some Bing Searches assuming its a 4spd Auto, you have a 4T60 trans.  I don't belive you have a 4T80 as that is a MONSTER of a trans, at I belive nearly 500lbs The 4T60's were used in most 3800 powered cars and the 4T65 HD were used on stock Supercharged cars.

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Capt Fiero
88 Fiero GT 5spd V6
Eight Fifty Seven GT V8 5spd.


Posted By: tweeder
Date Posted: 12 August 2012 at 5:20pm
Originally posted by Capt Fiero Capt Fiero wrote:

Doing some Bing Searches assuming its a 4spd
Auto, you have a 4T60 trans.  I don't belive you have a 4T80 as that is
a MONSTER of a trans, at I belive nearly 500lbs The 4T60's were used
in most 3800 powered cars and the 4T65 HD were used on stock
Supercharged cars.


It's a 3 speed

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86 GT Convertable 3800


Posted By: tweeder
Date Posted: 14 August 2012 at 11:56am
It's no longer slipping, the tv cable needed adjusting. The po never had
it hooked up.

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86 GT Convertable 3800



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