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Old 03-26-2015, 07:35 PM   #1
RB72
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Transmission I.D

Where can I look to figure out what transmission I have in my 72 K10?
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Old 03-26-2015, 07:42 PM   #2
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Re: Transmission I.D

If it's an auto crawl under and look at the pan shape.

http://chevellestuff.net/images/auto_trans_id.jpg
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1986 K20 427/NV4500
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Old 03-26-2015, 07:46 PM   #3
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Re: Transmission I.D

It's a manual 4 speed.
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Old 03-26-2015, 07:57 PM   #4
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Re: Transmission I.D

http://www.nastyz28.com/chevy-manual...tification.php
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1972 C10 Cheyenne 402/TH350
1985 GMC 1500 Sierra Classic 350/700R
1986 K20 427/NV4500
1986 K20 Sub 406/TH400

"Life's tough.....It's enough tougher if your stupid." John Wayne
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Old 03-26-2015, 08:42 PM   #5
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Re: Transmission I.D

Quote:
Originally Posted by cla511 View Post

I think he means one of these 4 speeds...

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Old 03-26-2015, 09:19 PM   #6
RB72
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Re: Transmission I.D

Quote:
Originally Posted by LockDoc View Post
I think he means one of these 4 speeds...

LockDoc
Yes that is the 4 speed I'm looking for.
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Old 03-26-2015, 09:40 PM   #7
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Re: Transmission I.D

Now how can I tell the difference between them? Will I have to take it out to tell?
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Old 03-26-2015, 10:15 PM   #8
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Re: Transmission I.D

In 72 the only four speed offered in a K10 was the Muncie CH465/SM465.
Its there on your SPID coded RPO M20.
http://www.novak-adapt.com/knowledge/sm465.htm
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