Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#206852 05/15/11 07:46 PM
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blue38 Offline OP
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Do 37 pickups come with 17 inch rims?


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There was an 18" option but no 17" for 1/2 ton trucks. They were the artillary type.

Last edited by Chev Nut; 05/15/11 09:39 PM.

Gene Schneider
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How rare is the 18" option?

laugh wink beer2


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blue38 Offline OP
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Thanbks...........but where in the heck do 17's fit as original equipment.?


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How do you correctly determine the diameter of a wheel? Is the measurement taken from outside lip to lip (at the farthest point, of course) or is it taken inside the lip where the bead of the tire rests. I think this latter measurement will be about an inch overall less distance than the former.

Reason I'm asking is two-fold. First I'm not sure and second, I have two, good, different sized, spoked Chevrolet rims that I want to measure and offer on the Parts For Sale Forum. I have no use for them. Maybe a fellow member does.
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Charlie computer

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Either this wheel measurement question was/is:

a. So stupid a question that it doesn't warrant a reply, or

b. No one reading the post knows the answer, or

c. No cares enough to reply, or

d. It's too much trouble to reply, or

e. It's a screw you, Charlie, thing for yapping too much.

Pick one. (I hope it's not "e.")
Thanks anyway,
Charlie computer

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Diameter of a passenger car wheel: The wheel bead seat is in the shape on an "L" when viewing the rim cross section. Wheel diameter = Distance across the wheel through its center from the horizontial surface of the bead seat "L" (180º).


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Charlie:

You forgot choice f: I'm too lazy to do a google search. laugh rolllaugh

Wheel Sizing

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Well, there IS that.

Your post and Oldie's seem to be in conflict. Accordingly, I still don't know for sure.
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Originally Posted by 41specialdeluxe
Well, there IS that.

Your post and Oldie's seem to be in conflict. Accordingly, I still don't know for sure.
Charlie computer

The diameter is measured at the bead seat; horizontal when the rim is standing. The width is also measured at that point across the rim.


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"Your post and Oldie's seem to be in conflict" How so?

In the "Wheel Sizing" item referenced above it says, "Wheel Size: The wheel size is the diameter of the wheel in inches where the beads of the tire set on the wheel. The measurement does not include the rim flange".

Passenger car wheels were a big part of my many working years and to make sure I was telling you correctly I referenced my Bosch Engineering Handbook. Don't know how to explain it any better. The statement above and my description are basically the same. Sorry!

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The site "Wheel Sizing" had a picture that seemed to show the wheel diameter being measured from the farterest points. It may just be my eyes. The discription of this process said the "bead." So I guess it didn't conflict after all.
My error,
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Charlie computer

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I agree,the picture attached to the "Wheel Sizing" statement is somewhat deceptive in that it allows you to guess where the tape is measuring to.

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[Linked Image from img801.imageshack.us]

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Yep. That I can understand. Any idiot can. (Don't)
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Charlie computer

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Originally Posted by 41specialdeluxe
The site "Wheel Sizing" had a picture that seemed to show the wheel diameter being measured from the farterest points. It may just be my eyes. The discription of this process said the "bead." So I guess it didn't conflict after all.
My error,
Thanks,
Charlie computer

Well, I'm not young by any means, and yet I can see in the picture that it is being measured from where the bead fits in the rim. Remember, the wheel size does not include the flange, which in this case, being a newer model wheel, is very thin. As far as I can tell, there has been no conflicts in describing the proper way to measure the wheel size.

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Originally Posted by IMFALCO
[Linked Image from img801.imageshack.us]

This is a perfect example of measuring from the bead, and not the flange. Thanks for clearing this up. cool


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