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#725786 - July 17th 2017 8:24 pm Tire size for 15x10s up front - G20  
Joined: Feb 2016
Posts: 83
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman

Joined: Feb 2016
Posts: 83
Los Angeles, CA USA
I recently bought a full set of 15x10 slot mags for the van. Rear is easy, I have plenty of room for the 33's I have back there now. But I had 31's on 15x7's that fit fine up front with the G30 springs (it raises the van by 1.5") but now since my wheels are wider, I am rubbing the front and rear corners of the fenders, badly. I clearanced them when I put the 15x7's, hammered in the sharp corners and made everything fit with no issues whatsoever. But it would take too much to clearance them now and I dont want to cut up the fenders at all.

I think I actually want to go back to stock G20 suspension ride height and wondering what size tire I could run that wont have fender clearance issues? I see plenty of vans with nice wide wheels in front and flares but have no idea of tire size to clear it. Just looking for some insight from people who run this wheel size up front. Id imagine I cant go super narrow due to the wheel width but there are a few tires sizes like 255/60 or 255/70 maybe? Again, I want it to work with stock suspension ride height. Thanks!


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
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#725797 - July 17th 2017 10:32 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: May 2001
Posts: 774
Star Dreamer Offline
old hand
Star Dreamer  Offline
old hand

Joined: May 2001
Posts: 774
South Carolina
Part of the answer will also depend on what offset the wheels are. If a deep dish you may have more issues.

We ran a 15 x 8 with standard offset on the front for many years. We rubbed with the 255/60 but had no issues with the 245/60 or the 235/60 but I do not think you can use them with a 10" wide wheel. The 10" wide wheel may help squat the 255/60 some to allow it to clear but hard to say without trying it.

Try taking some measurements. First measure the vertical distance from center of hub to the fender lip and then another to the inside surface of the fender.

Then measure the distance between the A-arm and the rubber bumper to see how much vertical travel you have under full suspension compression (add some for the rubber bumper compression)

Also measure the horizontal distances from the face of the hub that the wheel bolts to, to the inside lip of the fender and to the inner fender well.

By measuring the offset of the wheels and getting charts for the section width and height of the tires you want, you should be able to calculate to see if they hit on paper or how much clearance they should have if all is perfect.

Dave


Star Dreamer
78 Full Custom Chevy
Ramblin Vans - HVC
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#725822 - July 18th 2017 11:19 am Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Feb 2016
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Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman

Joined: Feb 2016
Posts: 83
Los Angeles, CA USA
I have 15x10 with 3.75" offset so it becomes a decently deep wheel. I dont rub when the suspension is compressed at all, the van sits high right now, its just rubbing in the lower front corner of the fender that makes up the wheel well. I could probably make a few relief cuts in the fender and hammer it in some more and roll the edge/corner in some but I'd prefer not so. Im sure if I keep the same suspension as I have now, I can fit a 255/60 or maybe even a 255/70 but Im thinking about putting stock G20 springs back in to make it back to stock height.


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
#725825 - July 18th 2017 1:37 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Feb 2016
Posts: 83
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman

Joined: Feb 2016
Posts: 83
Los Angeles, CA USA
Just realized there is a Wheels/Tires section. This can be moved if needed. Sorry about that.


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
#725833 - July 18th 2017 4:59 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Jul 2006
Posts: 1,570
Keep_On_Truckin_WNY Offline
veteran
Keep_On_Truckin_WNY  Offline
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Joined: Jul 2006
Posts: 1,570
Buffalo,NY
My last van was a 94 G20 and I ran 15x10's at all 4 corners - with about 3.5" BS...

In the front I ran 255/60's and didn't have any issues with them rubbing anything... stock suspension, with 255K on it so I'm sure it was worn out a little...


when things go bad, you just gotta keep on keepin' on...
progress on my van: http://s193.photobucket.com/albums/z269/95-1Ton/My%20Van%20s/
#725835 - July 18th 2017 5:05 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Jul 2006
Posts: 1,570
Keep_On_Truckin_WNY Offline
veteran
Keep_On_Truckin_WNY  Offline
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Joined: Jul 2006
Posts: 1,570
Buffalo,NY
Oh, I need to add to this - when I got them, they were all on 255/70 BFG and the fronts fid rub on that corner of the fender, and I had to clearance them a little...

I'll try to load a picture, but everything is on Photobucket and I'm trying to load onto Flickr...


when things go bad, you just gotta keep on keepin' on...
progress on my van: http://s193.photobucket.com/albums/z269/95-1Ton/My%20Van%20s/
#725836 - July 18th 2017 5:16 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Nov 2016
Posts: 31
Vannible_Lecter Offline
newbie
Vannible_Lecter  Offline
newbie

Joined: Nov 2016
Posts: 31
Cypress California
hey death, you are still gonna sell the Chevy?

#725838 - July 18th 2017 6:59 pm Re: Tire size for 15x10s up front - G20 [Re: Keep_On_Truckin_WNY]  
Joined: Feb 2016
Posts: 83
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman

Joined: Feb 2016
Posts: 83
Los Angeles, CA USA
Originally Posted by Keep_On_Truckin_WNY
Oh, I need to add to this - when I got them, they were all on 255/70 BFG and the fronts fid rub on that corner of the fender, and I had to clearance them a little...
I'll try to load a picture, but everything is on Photobucket and I'm trying to load onto Flickr...


Excellent! I messaged you on IG, I see you have the same handle there. I am _reefer_sutherland_. Thanks for the good info!


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
#725839 - July 18th 2017 6:59 pm Re: Tire size for 15x10s up front - G20 [Re: Vannible_Lecter]  
Joined: Feb 2016
Posts: 83
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman

Joined: Feb 2016
Posts: 83
Los Angeles, CA USA
Originally Posted by Vannible_Lecter
hey death, you are still gonna sell the Chevy?


Dont you have someones brains to eat?


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
#725840 - July 18th 2017 7:04 pm Re: Tire size for 15x10s up front - G20 [Re: Deathorvictory]  
Joined: Nov 2016
Posts: 31
Vannible_Lecter Offline
newbie
Vannible_Lecter  Offline
newbie

Joined: Nov 2016
Posts: 31
Cypress California
yeah, yours.


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