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Old 05-26-2016, 10:19 AM   #237
Johnny_Lamebridge
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Join Date: Mar 2014
Location: Cambridge, Ontario
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Re: My '63 C10 "I'd rather be driving" Project

I took a look at rockauto.com and found that the brake drums for a 1965 C10 1/2 ton shows a pilot bore size of 3.564". That would lead me to believe that the axle hub diameters were 3-9/16" at the drum, stepped down to 3-17/32" at the wheel.

It's very difficult to find this info listed anywhere. Any wheel-specific information I could find only goes back to 1967, and I don't see anything with a 3.532" or 89.7mm centre bore.
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My 63 C10 SWB Fleetside (converted to BBW):
http://67-72chevytrucks.com/vboard/s...58#post6851558

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