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Old 12-29-2015, 06:47 PM   #1
rgtrough
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New guy here "66 4x4 sort of

Hey guys, new to the forum but not forums. I just purchased a 1966 4X4 C10.
Yes I know. The first letter of my serial number is C not K. Thats ok the build appears to be done well. It is a 292 4 speed. This is a very solid truck. Cab, bed, frame, and driveline in very nice condition. My question for youall is about the transfer case. It only has hi (all the way up) and low (all the way back). Any idea what unit this is? Part or model numbers? Years in production?
any and all useful information is greatly appreciated.
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Old 12-29-2015, 07:41 PM   #2
RANDY COX
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Re: New guy here "66 4x4 sort of

if it's original I think it's a Rockwell T-221 I'm sure the experts will chime in.
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Last edited by RANDY COX; 12-29-2015 at 07:42 PM. Reason: added wording
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Old 12-29-2015, 07:45 PM   #3
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Re: New guy here "66 4x4 sort of

Oh BTW welcome to the site and we need to see pixs, cause we all lik'em.. My truck is a 64 on a 70 4x4 frame and running with a 292 and 4 spd to...
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Old 12-29-2015, 09:28 PM   #4
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Re: New guy here "66 4x4 sort of

Pics of transfercase would help indentify it.
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Old 12-29-2015, 09:34 PM   #5
TJ's Chevy
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Re: New guy here "66 4x4 sort of

X2 on pictures! And welcome aboard!
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Old 12-29-2015, 10:50 PM   #6
rgtrough
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Re: New guy here "66 4x4 sort of

Hey guys, thanks for the replies. I will be happy to post pictures as soon as I learn how. I don't have any photos of the truck on my computer yet.
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Old 12-30-2015, 01:15 AM   #7
rgtrough
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Re: New guy here "66 4x4 sort of

Hey guys, Is the t221 a constant supply transfer case? Because the one I have is.
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Old 12-30-2015, 01:47 AM   #8
'63GENIII
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Re: New guy here "66 4x4 sort of

Welcome to the sickness! Not sure what you mean by "constant supply" but one identifying feature of the 221 is that the rear output is in line with the front output with the input shaft located above both of them. Most modern TCs have the rear output inline with the input shaft. Pics would be great when you get a chance to post!
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Old 12-31-2015, 12:44 AM   #9
allchevy58
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Re: New guy here "66 4x4 sort of

Are your front hubs in the lock position?
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Old 12-31-2015, 12:50 AM   #10
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Quote:
Originally Posted by allchevy58 View Post
Are your front hubs in the lock position?
No
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