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Trying to do a t56 swap

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Old Jan 30, 2024 | 01:05 AM
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Default Trying to do a t56 swap

Hello and thanks for accepting me as a new member
I am building a 502 bbc and trying to run a t56 5 speed to it in a 1969 c10 3 door suburban. The t56 I picked up has the following markings other then the borg warner 3-52-066-919 and a 10 spline main shaft and I have no idea what it came out of and I am hoping someone here can tell me what it came out of and the best set up upgrades for it into my bbc 700 hp 650 ftlbs

Thanks to all for the education
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Old Jan 30, 2024 | 08:06 AM
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Sounds like you picked up a 5 speed from a gm truck and not a real t56 as they are all 6 speeds. Id suggest a t56 magnum which is rated to 700ftlbs and shifts alot better than a standard t56 which is rated to 450ftlbs.
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Old Jan 30, 2024 | 11:52 AM
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Are you sure your number isn't 13-52-066-919...??? instead of 3-52-066-919?
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Old Feb 12, 2024 | 01:55 PM
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03-04 Ford Cobra T56's were 10 spline input shafts.... sell it an move on to a GM unit ('94-97 LT1 bolts up) or a new T56 Magnum that shifts lightyears better and holds more power. Remember the heavier the vehicle.... the harder it is on parts. Don't forget needing an $850 Quicktime bellhousing at that power level/weight.
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Old Feb 12, 2024 | 11:30 PM
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The point I was making is, I'm pretty sure he has a Ford T5...



Tail Case CASTING NUMBERS:
13-52-066-901 82-83 AMC NON-WC
13-52-066-908 83-84 Ford NON-WC
13-52-066-911 83-87 S-10 NON-WC w/mech speedo (*also some early 88 models)
13-52-066-912 ??-?? Nissan NON-WC
13-52-066-913 83-87 Camaro - Firebird NON-WC
13-52-066-919 85-90 Ford World Class w/plastic vent tube (also on some 84 NON-WC)
13-52-066-921 Mid-80's Cosworth Sierra WC
13-52-066-922 85-89 Astro Van NON-WC w/mech speedo
13-52-066-923 83-87 Camaro - Firebird NON-WC
13-52-066-931 88-92 S-10 NON-WC w/elec speedo
13-52-066-933 93+ S-10 World Class w/elec speedo
13-52-066-935 90-91 Ford w/metal vent tube
13-52-066-936 88-95 Camaro World Class (w/speedo GEAR)
13-52-066-939 92-98 Ford w/metal vent tube (Rubber vent tube appeared about 96)
(later versions hid this casting number in the shifter cavity)
13-52-066-941 ??-?? Isuzu World Class
13-52-066-950 96-00? Camaro World Class (V6 w/reluctor type speedometer sender)
(casting number only visible down in the shifter cavity)
13-52-066-953 99-04 Ford (casting number only visible down in the shifter cavity)
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