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GM Auto-OD FWD Transmission ID Tag deciphering tables "updated" by Darth Fiero
Started on: 08-19-2009 10:47 PM
Replies: 9
Last post by: Darth Fiero on 02-03-2010 03:18 PM
Darth Fiero
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Report this Post08-19-2009 10:47 PM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageSend a Private Message to Darth FieroDirect Link to This Post
http://www.gmtuners.com/transmission/index.htm

Added ID charts for 1985 - 1990 THM 440-T4 / 4T60 non-electronic auto-OD FWD transmissions for you junkyard hunters.

Charts for 1991-99 4T60-E and 1997-2004 4T65-E are there as well.

-ryan

------------------
6+ years on this same swap -- NO engine or transmission failures...

Custom GM OBD1 & OBD2 Tuning | Engine Conversions & more | www.gmtuners.com

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rourke_87_T-Top
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Report this Post08-20-2009 12:22 AM Click Here to See the Profile for rourke_87_T-TopSend a Private Message to rourke_87_T-TopDirect Link to This Post
here is a pic of the tag on my '91 Allante 440-T4-F7 version.
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Alibi
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Report this Post08-20-2009 12:28 AM Click Here to See the Profile for AlibiSend a Private Message to AlibiDirect Link to This Post
Awesome! I've been looking for a list of 440 codes for a couple years now! I started one on my other forum but its not nearly as complete as yours
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Darth Fiero
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Report this Post08-20-2009 01:57 AM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageSend a Private Message to Darth FieroDirect Link to This Post
 
quote
Originally posted by rourke_87_T-Top:

here is a pic of the tag on my '91 Allante 440-T4-F7 version.



Sorry, don't have anything for 1991 or 1992 yet.

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Isolde
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Report this Post08-21-2009 12:26 PM Click Here to See the Profile for IsoldeSend a Private Message to IsoldeDirect Link to This Post
so the good gearing wasn't installed much.
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carbon
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Report this Post08-21-2009 01:38 PM Click Here to See the Profile for carbonSend a Private Message to carbonDirect Link to This Post
Good gearing is in the eye of the beholder... FDRs in the 2.xx range are good for fuel economy and meeting CAFE standards...

Now if you were referring to performance ratios... then yes, they were few and far between...

I love the 3.43 on the TDC W-body cars and 3.69 on the quad4s

[This message has been edited by carbon (edited 08-21-2009).]

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rourke_87_T-Top
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Report this Post08-21-2009 11:22 PM Click Here to See the Profile for rourke_87_T-TopSend a Private Message to rourke_87_T-TopDirect Link to This Post
 
quote
Originally posted by rourke_87_T-Top:

here is a pic of the tag on my '91 Allante 440-T4-F7 version.


3:21-1 final drive
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rourke_87_T-Top
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Report this Post08-22-2009 12:31 AM Click Here to See the Profile for rourke_87_T-TopSend a Private Message to rourke_87_T-TopDirect Link to This Post
here is a good link, http://spacecoastfieros.com/tech/440-4T60/
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rourke_87_T-Top
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Report this Post08-22-2009 02:39 AM Click Here to See the Profile for rourke_87_T-TopSend a Private Message to rourke_87_T-TopDirect Link to This Post

rourke_87_T-Top

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If I was closer to Detroit, I would take a chance on this tranny for fifty bucks. The code is different and it is older. http://detroit.craigslist.o.../pts/1324479696.html
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Darth Fiero
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Report this Post02-03-2010 03:18 PM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageSend a Private Message to Darth FieroDirect Link to This Post
*UPDATED*

Added info on 2005 and 2006 model year 4T65E's. Also, I added a mobile web / pda version for those of you out there junkyard hunting to look up on your mobile devices. You can access the mobile version of my website here:

www.gmtuners.com/pda

-ryan
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