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Old 02-16-2006, 08:10 PM   #1
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Default 1991 Caddy = :(

I was looking around and i saw somewheres that the 91 caddys use the same tranny as the bonnies of the same years, but i cant find any info. Can anyone shine a light here ?
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Old 02-16-2006, 09:23 PM   #2
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This isn't N* related.
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Old 02-16-2006, 09:46 PM   #3
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well It is nothstar related sorta;...mafia the tranny database I'm looking at goes 95-05 and it says the 95 up /4.9 liter Caddy uses the 4T60E, same as non */C Bonnies, the */C bonnie uses the 4T65E, and the GXP uses the 4T80E tranny (so maybe same in earlier years?) If YOU find your tranny # then maybe it'* the same as one of our three. John ................ (Harofreak handed me a note and i stuck in my hat...(google is my best friend) and he'* right..........
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Old 02-16-2006, 10:16 PM   #4
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i'll crouch under my car tomorrow (too tired today, first time pulling sc from bonnie)
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Old 02-16-2006, 11:34 PM   #5
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Had a 92 Cadillac Sedan Deville in White with Red leather, lace wheels and I think those were the only options great car. Had boat loads of torque. That Deville has a 300ci. V8 which was the last V8 made before ever Cadillac car got the Northstar V8, your car has a 4T60 automatic. No parts you share with Bonneville'* as far as the engine is concered some transmission stuff, no engine stuff. The Caddy is a C-Body the Bonneville is a G/H-Body G is the eailer generation. They do have something in common but not the motor lol. I remember pushing mine to well over 90mph (I don't know cause the speedo only hit 85) then I traded in for my SLE. Good luck with her! I was sad that day because it was dads car only had a few problems but it was impractical for me and 91 gas isn't cheap, plus I do not have Caddy money nor am I old yet lol. My son and I will forever miss that car but forever love the Bonneville! Funny how that goes isn't it?
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Old 02-16-2006, 11:40 PM   #6
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hey gm know if the 4t60 interchangable with 4t60e?trying to build a file here
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Old 02-16-2006, 11:46 PM   #7
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Don't think so from the time I talked to an old mechinc buddy of mine 4T60 is a hence hydra-matic hydrallically controlled (sp) and the 4T60E is electroincally controled hence the E.
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Old 02-16-2006, 11:48 PM   #8
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gotcha and thanks
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Old 02-16-2006, 11:49 PM   #9
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Yup its possible well maybe, but I have no details, but the way the shifts are controlled is the big thing. OLD way vs. NEW way lol. Simply put.
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Old 02-17-2006, 12:25 AM   #10
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But, since im planning on NOT selling the caddy, i figured that the bonnie is a little more expensive since its newer, but is it worth rebuilding the caddy tranny, in comparison to say another year of caddy ? and yes, torque on the cadillac makes bitches of imports. (even with a slippin 1st gear)
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