what size tire should i run up front - The 1947 - Present Chevrolet & GMC Truck Message Board Network

pissonNOS · 03-24-2008, 01:10 AM

i just finished installing my disc brakes and drop spindles on my truck this weekend but when i aired it out the tires are hitting the outside of the tire pretty good, right now i have 275/60/15's all the way around so what size should i put up front to remedy this? oh also there 73-87 4x4 rims if that helps

C10-Driver · 03-24-2008, 03:05 AM

I put some 235/70-15's on the front of my "work" truck (Same height as the 275/60-15). They are a little skinny on the 8" rallies but they are much better as far as clearance issues go.

72 cheyenne pdx · 03-24-2008, 04:56 AM

Since you have 4x4 rims, I would go with some 42" swappers.:lol

How much is hitting? You may be able to fit some 255/65/15's in the front. They are also in the same range you are in now. If not, the 235's should work.

pissonNOS · 03-25-2008, 07:57 PM

quite a bit is hitting i can tell the bag isnt fully deflated, i think i need a less wide and a lower profile tire if that makes sense but i dont known how tire numbers go

C10-Driver · 03-26-2008, 05:45 AM

The first number is the width of the tire, the second number is the sidewall ratio or height and, obviously, the last number is the rim size.

The 275/60-15's measure 28" tall.

Here are some examples of BFG Radial T/A's that might work

235/70-15's are the same height (28") but are much narrower.
245/60-15 are not quite as narrow as the 235's but are only 26.6" tall.

All kinds of options with tires... You will probably spend hours searching, I know I have.

pissonNOS · 03-26-2008, 05:46 AM

thanks, i just dont want something too skinny

C10-Driver · 03-26-2008, 08:41 AM

Quote:

Originally Posted by pissonNOS

thanks, i just dont want something too skinny

The 245's should look pretty good on 8" rallies. It's a good compromise... just a little narrower and slightly shorter which should help with your clearance issues.

*Shane* · 03-26-2008, 05:31 PM

Now that you have the dropped spindles, I think the 245's will cause some draggin issues with the lower control arm.

pissonNOS · 03-27-2008, 06:53 AM

Quote:

Originally Posted by Shane

Now that you have the dropped spindles, I think the 245's will cause some draggin issues with the lower control arm.

i was kind of wondering about this as well i got my wheel alignment done today with 80PSI and it sits quite high but i think im going to try and put a couple different tires on this weekend and see where were at

camaro__thunder · 03-27-2008, 09:42 PM

235/60/15 front or both
275/60/15 rear
works on a bagged C10 well.

03-24-2008, 01:10 AM	#1
pissonNOS senior member Join Date: Feb 2003 Location: fort macleod alberta Posts: 2,770	what size tire should i run up front i just finished installing my disc brakes and drop spindles on my truck this weekend but when i aired it out the tires are hitting the outside of the tire pretty good, right now i have 275/60/15's all the way around so what size should i put up front to remedy this? oh also there 73-87 4x4 rims if that helps __________________ 69 GMC bagged

03-24-2008, 03:05 AM	#2
C10-Driver Chevy Truck Addict Join Date: Aug 2006 Location: Kelowna, BC Posts: 1,176	Re: what size tire should i run up front I put some 235/70-15's on the front of my "work" truck (Same height as the 275/60-15). They are a little skinny on the 8" rallies but they are much better as far as clearance issues go. __________________ . 1970 Chev C/10 SWB, 355 SBC, 700R4, 3.73 Posi, Air Ride (Click to view Build Thread) (SOLD) 1978 Chevy C/10 SWB 1970 Pontiac Lemans .

03-24-2008, 04:56 AM	#3
72 cheyenne pdx Registered User Join Date: Nov 2006 Location: Portland Posts: 382	Re: what size tire should i run up front Since you have 4x4 rims, I would go with some 42" swappers.:lol How much is hitting? You may be able to fit some 255/65/15's in the front. They are also in the same range you are in now. If not, the 235's should work.

03-25-2008, 07:57 PM	#4
pissonNOS senior member Join Date: Feb 2003 Location: fort macleod alberta Posts: 2,770	Re: what size tire should i run up front quite a bit is hitting i can tell the bag isnt fully deflated, i think i need a less wide and a lower profile tire if that makes sense but i dont known how tire numbers go __________________ 69 GMC bagged

03-26-2008, 05:45 AM	#5
C10-Driver Chevy Truck Addict Join Date: Aug 2006 Location: Kelowna, BC Posts: 1,176	Re: what size tire should i run up front The first number is the width of the tire, the second number is the sidewall ratio or height and, obviously, the last number is the rim size. The 275/60-15's measure 28" tall. Here are some examples of BFG Radial T/A's that might work 235/70-15's are the same height (28") but are much narrower. 245/60-15 are not quite as narrow as the 235's but are only 26.6" tall. All kinds of options with tires... You will probably spend hours searching, I know I have. __________________ . 1970 Chev C/10 SWB, 355 SBC, 700R4, 3.73 Posi, Air Ride (Click to view Build Thread) (SOLD) 1978 Chevy C/10 SWB 1970 Pontiac Lemans .

03-26-2008, 05:46 AM	#6
pissonNOS senior member Join Date: Feb 2003 Location: fort macleod alberta Posts: 2,770	Re: what size tire should i run up front thanks, i just dont want something too skinny __________________ 69 GMC bagged

03-26-2008, 05:31 PM	#8
Shane Account Suspended Join Date: Jun 2000 Location: over yonder Posts: 14,270	Re: what size tire should i run up front Now that you have the dropped spindles, I think the 245's will cause some draggin issues with the lower control arm. Last edited by Shane; 03-26-2008 at 05:31 PM.

03-27-2008, 09:42 PM	#10
camaro__thunder Epoxy Primer Friendly Join Date: Feb 2004 Location: South of Houston TEXXXAS Posts: 680	Re: what size tire should i run up front 235/60/15 front or both 275/60/15 rear works on a bagged C10 well. __________________ My Project 69 SWB SHAVED BAGGED DOORED Last edited by camaro__thunder; 03-27-2008 at 09:44 PM.



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