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Old 03-20-2008, 09:04 PM
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th350 or th350c?

i just recently purchased a tranny form a buddy of mine to stick onto my 86 305 thats in my 80 malibu....im trying to decide what stall converter i need for it, the motor is all stock. i also need to figure out if my tranny is just a th350 or if it is th350c. is there any way i can find out just by looking at it? and what is the differences between those two trannys. thanx

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Old 03-20-2008, 09:21 PM
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Old 03-20-2008, 09:38 PM
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so basically since the 350 tranny that i have has the 2 wire plug on the driver side....whats the purpose of it? and do i need it? the tranny that is in my car now has a one wire plug im not sure of what tarnny it is..im thinking either a 200 or 250
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Old 03-20-2008, 10:38 PM
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IF there is an electrical connector near the shifter linkage on the drivers side of the case... it is a t-350C or a t-250C trans.

To determine the t-250C ... look near the cooler line fitting area on the case (passenger side)... IF there is a threaded stud with nut sticking out of the case. It is a t-250C trans. Weak tranny , do not use for performance.

The electrical is for the converter clutch control solenoid.
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Old 03-21-2008, 02:55 PM
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is the 250c pan different from the 350c pan? and if it is the 350c can i drive without that plug hooked up? and what kind of converter do i need for the tranny?
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Old 03-23-2008, 08:39 AM
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Quote:
Originally Posted by malibus~most~wanted
is the 250c pan different from the 350c pan? and if it is the 350c can i drive without that plug hooked up? and what kind of converter do i need for the tranny?

Pan is same shape , size, bolt pattern

converter clutch wires can be unhooked.

you must use a t-350C converter,,, the splines on the trans stator & input shaft are located in different positions from a non lock up converter.
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