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Old 08-06-2021, 03:42 PM   #20
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,290
Re: Somewhat useless Truck trivia...

Quote:
Originally Posted by 402Bowtie View Post
B) I thought my statement was purely false, in that you had to order some type of spare tire setup.
I'm not as sure on the '67-72 models, but for the squarebodies you did not have to get a spare.

That's why the tire RPO codes are broken down into three separate lines:

Xxx = front tire
Yxx = rear tire
Zxx = spare tire

That allowed you to get a specific type of front tire, a different type of rear tire, and a third type (or no) spare tire.

K
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