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Truck Transmissions
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swaluda
User
| Posts: 64
| Joined: 11/12
Posted: 11/23/12
10:22 AM
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Are truck transmissions (2 wheel drive) the same as car transmissions, just with a transfer case ? Stan
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Posted: 11/23/12
12:34 PM
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2-wheel drives dont have transfer cases. another thing is the way the governer is calibrated. if you put a truck tranny in a light car, it will shift too quickly. a re-calibration kit is around $40.oo. its a good idea to measure the length of the tranny you want, because they came with different length tailshafts. the th350 came with 4, 6, and 9 inch tailshafts for example.
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pepsi1
Guru
| Posts: 1661
| Joined: 09/11
Posted: 11/23/12
02:17 PM
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Stan:
Do you know what trans your going to purchase? Like Joe said if it's not a 4X4 your in better shape. You can also cut a driveshaft of go to the junkyard and look for a different driveshaft...
Bob
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Posted: 11/24/12
10:39 AM
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GM transmissions
Automatic
General information
http://www.crankshaftcoalition.com/wiki/File:Pan_id.jpg
Transmission identification by pan shape with gear ratio chart.
Image Number Transmission(s) Pan Bolts 1st Gear 2nd Gear 3rd Gear 4th Gear Reverse
1 Aluminum Powerglide 14 1.76/1.82 1.00 - - 1.76/1.82
2 TH200 (Metric), TH200C (Metric) 11 2.54 1.57 1.00 - 2.06
3 TH250, TH250C, TH350, TH350C, TH375B 13 2.52 1.52 1.00 - 1.94
4 TH375C, TH400, TH475, 3L80, 3L80HD 13 2.48 1.48 1.00 - 2.07
5 TH200-4R 16 2.54 1.57 1.00 0.67 2.06
6 TH700-R4, 4L60, 4L60E 16 3.06 1.62 1.00 0.70 2.29
7 4L80E 17 2.48 1.48 1.00 0.75 2.07
NOTE: An aluminum powerglide also exists with an 18" extension housing.
http://www.crankshaftcoalition.com/wiki/File:Transmission_dimensions.jpg
more reading if desired...
http://www.crankshaftcoalition.com/wiki/General_Motors_transmissions
http://www.crankshaftcoalition.com/wiki/Transmission_identification
Maybe some of this will help, maybe not.
 
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