Wheel roundness
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Lead Driver
Joined: Nov 2000
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From: Albuquerque
Wheel roundness
Anyone know a good way to check wheels for concentricity (roundness). I have a dial indicater but not sure how to set it up so that the wheel bearing etc. wont cause errors?
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Lead Driver
Joined: Nov 2000
Posts: 6,636
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From: Albuquerque
Wheel roundness
Well I jacked a wheel up and put a dial indicater on it. It's difficult to measure down to a .001 because even the wind moves it that much. However I seem to have no more than .004 in the verticle and horizonal planes. I'm trying to decide to keep or replace these wheels. Now I have to find out what kind of tolerance is Ok or not. It doesn't sound like much.
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Joined: Aug 2000
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Wheel roundness
Beartracks, "bear" in mind (pun intended) that no wheel is perfectly round. The low or high spot (can't remember which) is always at the valve stem hole. That's why the painted dot on new tires should be aligned with the valve stem when mounting. That way the low/high tire spot is matched with the high/low spot on the wheel.
I don't know what the wheel specs should be, but .004" sounds pretty round and straight to me.....
I don't know what the wheel specs should be, but .004" sounds pretty round and straight to me.....
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mfatdad
1948 - 1956 F1, F100 & Larger F-Series Trucks
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Sep 1, 2002 09:55 PM
