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Old 06-30-2010, 03:16 PM   #1
erod32
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tranny question

can some one tell me what tranny comes in a 1986 chevy silverado c10 V6 2 wheel drive?
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Old 06-30-2010, 03:38 PM   #2
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Re: tranny question

9 out of 10 says 700r4 if it was an auto.
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Old 06-30-2010, 03:40 PM   #3
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Re: tranny question

it's automatic.
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Old 06-30-2010, 06:56 PM   #4
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Re: tranny question

does it have 4 gears?
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Old 07-01-2010, 12:06 AM   #5
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Re: tranny question

if it's od d 2 1 it's 4 speed and 700r4, or maybe d 321

if it's 3 speed d 21 or low whatever it's either a th400 or 350, my best guess, look under the truck and see what the pan is shaped like.

square is 700r4 and 4l60's square with one corner knocked off or 45's is a th350, 350, 375, 250 etc. texas shaped is a 400.
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Old 07-01-2010, 12:15 PM   #6
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Re: tranny question

If it has overdrive, it should be a 700R4. If it does not, it will be a TH350C. The TH350C has a square pan with a notch out of one corner, just llike a TH350.

http://www.nastyz28.com/chevy-transm...tification.php

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Old 07-01-2010, 03:45 PM   #7
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Re: tranny question

easy way to tell if it's th350 or th350c is to look for a plugin on the driver's side behind the shift linkage arm.
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Old 07-01-2010, 03:57 PM   #8
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Re: tranny question

Quote:
Originally Posted by benoit454 View Post
if it's od d 2 1 it's 4 speed and 700r4, or maybe d 321

if it's 3 speed d 21 or low whatever it's either a th400 or 350, my best guess, look under the truck and see what the pan is shaped like.

square is 700r4 and 4l60's square with one corner knocked off or 45's is a th350, 350, 375, 250 etc. texas shaped is a 400.

yea, it's D 3 2 1
thanks
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Old 07-01-2010, 04:27 PM   #9
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Re: tranny question

700r4 then should be, square pan, lockup plugin behind the linkage.
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