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H3 Bought used 20'' wheels and 35'' tires (The center bore is to small!)

hodges81

Well-Known Member
Messages
60
Location
BECKLEY, WV
I bought a set of 20'' wheels and mickey thompson 35/12.50 for a good price but the center bore is to small. I think they were on a 1500 Silverado.... Is there any way I can get them to work? Never thought the center bore would be that big and now there just sitting here....

Please Help!! lol
 

hodges81

Well-Known Member
Messages
60
Location
BECKLEY, WV
I thought about spacers but I'll loose about 1/2 inch for the lugnut to hold onto.... How hard is it to replace stock lugs with longer ones? Then use the spacers without the built in lugs?...
 
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Mb30sdl

Hamster that pokes Bears
Messages
1,588
Location
Raleigh area NC
Ha same problem on trailer wheels, I just enlarged center bore. Not very pretty but it worked, specially if there is caps to cover center.
 

Gunner_45

Super Moderator
Staff member
Messages
1,932
Location
Texas
I would think any competent machine shop could chuck 'em up in a lathe and enlarge the bore for you.

Is that not what the H1 guys do in order to run H2 wheels?

I've never really understood why they wanted to do that but....
 

Chocflip201

In the Rocky Mountains
Messages
585
Location
Utah
Yes you can have them bored out. I had my H2 wheels bored out to fit over my Dana 60 hubs
 

SolidusJ

Well-Known Member
Messages
2,028
Location
FT. Carson, CO
I thought about spacers but I'll loose about 1/2 inch for the lugnut to hold onto.... How hard is it to replace stock lugs with longer ones? Then use the spacers without the built in lugs?...

I don't understand why you would lose 1/2 inch for the lug nut when the spacer would go over you OEM thread and then the spacers will have their own set for the wheels. I could give you full spics to make spacers from motorsport-tech.

Specifications You will need to order them:
=========================
2009/2010 HUMMER H3T
Your Bolt Pattern: 6x139.7mm
Your Hub Diameter: 100mm
=========================
Type: One Piece Adapter
Hub Centric to Car & Wheel Centric to Wheel
Thickness: 38mm
Stud Size: 12x1.5
Center Bore: 100mm
Diameter: 6 by 139.7 (5.5 inches)
Quantity: 4
=========================
 

Chocflip201

In the Rocky Mountains
Messages
585
Location
Utah
I thought about spacers but I'll loose about 1/2 inch for the lugnut to hold onto.... How hard is it to replace stock lugs with longer ones? Then use the spacers without the built in lugs?...

I don't know about your state, but that type (the ones without their own built in studs) is illegal here in Utah.
 

SolidusJ

Well-Known Member
Messages
2,028
Location
FT. Carson, CO
But they are just like our hubs. Studs need to be removable so if they snap you can punch them out. I'm trying to understand why you can't have them? I could understand if they say no spacer then I got it but built in studs.
 

Chocflip201

In the Rocky Mountains
Messages
585
Location
Utah
Same goes for tons of stuff at autozone. It's for "show vehicles only." They can sell it without that label because it's the car owners responsibility to know the laws of what is street-legal. Other stuff that Autozone sells that I know is not street legal here in Utah:
-Taillight tinting Spray paint
-Colored LED license plate frames
-front license plate filler plates (you are supposed to have a registered license plate on the front bumper as well as the back)
-window tint darker than 43%vlt (only illegal if installed on front two windows)

The Oreilley near my house refills NOS bottles, also not street legal.
 

4speedfunk

Well-Known Member
Messages
4,250
Location
Tardville
I did the "enlarge the center bore" mod to a set of stock Silverado steelies. This was before Hummer started offering them (on 09 H3Ts). I made my own custom center caps from Colorado caps with the H3 logo. Size was 17"x7.5"...with close to stock 5.5" backspacing....

attachment.php


I could not find a machine shop to touch them. Did it myself with a hole saw and a BF Drill.
 

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