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#1 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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i need help with tire size with a 4/6 drop
i am going to buy 20's tomorrow and new tires for my 2wd blazer. i have a 4/6 drop for it on order. what size tires can i run with no rubbing. i dont like the thin sidewalls.
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72 2wd blazer 72 swb 4x4 |
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#2 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: i need help with tire size with a 4/6 drop
I went with 295/40/20 in the rear of my 71 and it has been lowered 6 inches......I have 18's in the front so I cant help you with the front....
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Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#3 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: i need help with tire size with a 4/6 drop
What size 20's?
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#4 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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Re: i need help with tire size with a 4/6 drop
probably just 20x8
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72 2wd blazer 72 swb 4x4 |
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#5 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: i need help with tire size with a 4/6 drop
maybe a 245/40 up front and a 255/40 in the rear.
Some people run a 275/45 on 20x8's,...because they are cheap. But they are a pretty tall tire. |
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#6 |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
On a lowered truck to this extent do you use the same back spacing as the original 15 inch rims or do you have to go with a positive back spacing to bring the rims in to prevent tire rub on the fenders. I've build a Ford f100 on a 72 C10 frame and have issues and need to know what size rim I can use on front. I have no idea of how to go about measuring for this. At the moment my tires are 1/2" from rubbing my fenders and no way of turning them and don't want to put it back up in the air.
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#7 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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Re: i need help with tire size with a 4/6 drop
i believe with a 20x8 you want 4.5" of backspacing
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72 2wd blazer 72 swb 4x4 |
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#8 |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
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#9 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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Re: i need help with tire size with a 4/6 drop
i have no clue. it would pull the rim/tire in 1.5"s more but i have no clue to answer your question...
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72 2wd blazer 72 swb 4x4 |
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#10 | |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
Quote:
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#11 |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
Just a bump in hopes of some help
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#12 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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Re: i need help with tire size with a 4/6 drop
big al how wide are you wheels? what is the backspacing?
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72 2wd blazer 72 swb 4x4 |
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#13 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: i need help with tire size with a 4/6 drop
18x8 up front 4.5 backspacing
20x10 rears 5.5 backspacing If I remember correctly...
__________________
Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#14 |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
Hello big_al_71, do you think if those 18's on front had a 6" back spacing would they still turn and not rub the tie rod and actually fit past the steering knuckle. 18's is what I would like to run and hoping I won't have to go any bigger.
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#15 | |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: i need help with tire size with a 4/6 drop
Quote:
I would suggest that you call Coys directly I cant remember the guys name but he was Coys son and he was super helpful..Mine clear with no rubbing at all stop to stop when you turn the wheel.
__________________
Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#16 |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
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#17 | |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: i need help with tire size with a 4/6 drop
Quote:
A 20x8.5 with 5.5" BS will work. A 20x9 with 6" BS would be fine. I think a 20x8 with 6" BS will be tucked in too much. What width wheel are you looking at that has a 6" BS? Also,... what year truck are you putting these on and what do you have for suspension mods? Last edited by lolife99; 01-17-2010 at 11:02 PM. |
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#18 | |
Registered User
Join Date: Apr 2007
Location: ontario
Posts: 247
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Re: i need help with tire size with a 4/6 drop
Quote:
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#19 |
computer illiterate
Join Date: Jan 2001
Location: Des Moines, IA
Posts: 6,446
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Re: i need help with tire size with a 4/6 drop
no rubbing issues al?
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72 2wd blazer 72 swb 4x4 |
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#20 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: i need help with tire size with a 4/6 drop
__________________
Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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