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Thinking again ...
We are still asking:
What did you
get done on
your Bolt today
????


The question, initially posted May 23, 2005, was:
"Whatcha do on your Bolt
this weekend?"

After 51,906,997 views, 7378 replies over 185 pages, this thread in General Truck Talk is a happening! And it's not just weekends anymore.


Now with pictures
and No BOTS.


So ...


What did you get done on your Bolt today????


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5/10 by 7.25” steel 22.5” wheels
#1424173 Wed Sep 15 2021 10:05 PM
Joined: Jun 2011
Posts: 4,468
E
EdPruss Offline OP
'Bolter
Since factory wheels to fit this GM bolt pattern are getting very difficult to find, I started looking for options. It turns out mid sixties to mid eighties C-50, C-60, LCF and probably others have the 5/10 on 8.750” bolt pattern. The hub diameter is 6.250” vs. 5.250” of the earlier wheels. Upon inspection, there is enough material to support the smaller bolt pattern.

I found several wheels, they come in at least 6”and 6.5” widths. I drilled the smaller bolt pattern using a rotary table, made a spacer to accommodate the hub differences. There clearly is enough material, strength wise.

If one does not have access to a rotary table, one can use a drill press if the throat is deep enough. Make the hub adapter using a face plate and washers so the diameters will be concentric, make or get some drill bushings to fit the diameter of your 20” wheel lug bolt holes, get or make a few pins to lock the wheels together and go for it.

The silver paint in the picture indicate the smaller bolt pattern, only one nut is attached.

Ed

Attached Files
Last edited by EdPruss; Wed Sep 15 2021 10:06 PM.

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: 5/10 by 7.25” steel 22.5” wheels
EdPruss #1424303 Fri Sep 17 2021 04:34 AM
Joined: Apr 2020
Posts: 173
9
'Bolter
Ed are you using the torque plate as well?


Karl j Townsend
Re: 5/10 by 7.25” steel 22.5” wheels
EdPruss #1424330 Fri Sep 17 2021 01:17 PM
Joined: Jun 2011
Posts: 4,468
E
EdPruss Offline OP
'Bolter
No, the studs are too short, just the slotted nuts that came stock on truck.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.

Moderated by  69Cuda, Grigg 

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