Thread: Rarest Option
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Old 11-26-2017, 02:15 AM   #65
rsd66C20
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Join Date: Oct 2015
Location: Danville Ca
Posts: 12
Re: Rarest Option

Quote:
Originally Posted by factorystock View Post
Would have liked to seen the SPID decal on that one! The 2 speed powerglide was the only auto listed for C 10's, unless there was some type of special order? The 3 speed 400 auto was only listed for C 20 and C 30's in '66.
Quick question for everyone. I have a 1966 C20 with the original 327 engine (YH - 327 with 3-speed Automatic Transmission). My build sheet confirms this, and also has the Transmission code as CT. I can't find any reference to this transmission code. Were all 3-speed Auto transmissions for 1966 C20's 400s?

BTW....I don't have the original tranny, just interested in what the original build was.

Thx
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