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904 Torque Flight Decoding #2918536 05/04/21 04:50 PM 05/04/21 04:50 PM
Joined: Jan 2003 Posts: 1,334 Oregon E earlymopar OP pro stock
earlymopar OP pro stock E Joined: Jan 2003 Posts: 1,334 Oregon	I've looked in several places on the internet and haven't located anything that is real specific about decoding the stamped numbers on 904 and 727 transmissions. Attached is what I have as far as a 904 and am simply trying to determine year and model this is from. Thanks.

Re: 904 Torque Flight Decoding [Re: earlymopar] #2918541 05/04/21 04:59 PM 05/04/21 04:59 PM
Joined: Jan 2003 Posts: 17,513 Las Vegas, NV 6bblgt I Live Here
6bblgt I Live Here Joined: Jan 2003 Posts: 17,513 Las Vegas, NV	Day 7263 is Tuesday, June 16, 1981 10,000 day calendar

Re: 904 Torque Flight Decoding [Re: 6bblgt] #2918567 05/04/21 05:40 PM 05/04/21 05:40 PM
Joined: Dec 2005 Posts: 11,479 Fulton County, PA C CMcAllister Mr. Helpful
CMcAllister Mr. Helpful C Joined: Dec 2005 Posts: 11,479 Fulton County, PA	Lock up converter? Should be. If the results don't match the theory, change the theory.

Re: 904 Torque Flight Decoding [Re: 6bblgt] #2918600 05/04/21 06:48 PM 05/04/21 06:48 PM
Joined: Jan 2003 Posts: 1,334 Oregon E earlymopar OP pro stock
earlymopar OP pro stock E Joined: Jan 2003 Posts: 1,334 Oregon	Thank you. This must have been the original transmission in my dad's 1981 Dodge D150. Other than "904", what other model designation would there have been? Is this simply a $100 core or is there any other interest in this for other applications?

Re: 904 Torque Flight Decoding [Re: earlymopar] #2918887 05/05/21 02:06 PM 05/05/21 02:06 PM
Joined: Jan 2003 Posts: 25,720 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,720 Rio Linda, CA	It's a lockup A-999 from behind a 318. The INTERNET, the MISinformation superhighway

Re: 904 Torque Flight Decoding [Re: John_Kunkel] #2919288 05/06/21 12:11 PM 05/06/21 12:11 PM
Joined: Jan 2003 Posts: 5,894 Florida Locomotion master
Locomotion master Joined: Jan 2003 Posts: 5,894 Florida	Just curious, but anything to indicate a 2.74 low gear?

Re: 904 Torque Flight Decoding [Re: Locomotion] #2919329 05/06/21 12:54 PM 05/06/21 12:54 PM
Joined: Mar 2011 Posts: 3,066 Michigan A A727Tflite master
A727Tflite master A Joined: Mar 2011 Posts: 3,066 Michigan	Originally Posted by Locomotion Just curious, but anything to indicate a 2.74 low gear? This trans left Kokomo as a L/U, 4 pinion front and rear carrier, 4 disc front and rear clutch, and this part number Remained in use to 1985. I can’t find the build chart but my best guess is that it was a low gearset trans.

Re: 904 Torque Flight Decoding [Re: Locomotion] #2919332 05/06/21 01:00 PM 05/06/21 01:00 PM
Joined: Jan 2003 Posts: 25,720 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,720 Rio Linda, CA	That part number was used from '81-'85 so it likely has the low gear set. The INTERNET, the MISinformation superhighway

Re: 904 Torque Flight Decoding [Re: A727Tflite] #2919390 05/06/21 03:38 PM 05/06/21 03:38 PM
Joined: Mar 2011 Posts: 3,066 Michigan A A727Tflite master
A727Tflite master A Joined: Mar 2011 Posts: 3,066 Michigan	Originally Posted by Transman Originally Posted by Locomotion Just curious, but anything to indicate a 2.74 low gear? This trans left Kokomo as a L/U, 4 pinion front and rear carrier, 4 disc front and rear clutch, and this part number Remained in use to 1985. I can’t find the build chart but my best guess is that it was a low gearset trans. This trans was actually a 999. The only units back then that didn’t get l/u were high altitude applications.

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