what rim SIZEs - The 1947 - Present Chevrolet & GMC Truck Message Board Network

dgreen · 05-23-2011, 03:16 PM

what rim sizes can i get away with 87 chevy pick up,?

tazman87 · 05-23-2011, 04:13 PM

10 inch rims. 295 tire. and i'm sorry but i cannot remember the spacing. but what i have is the biggest you can go without tubbing the fenders

tazman87 · 05-23-2011, 04:15 PM

those are the rears of course

**N2TRUX** · 05-23-2011, 04:18 PM

I have been told that you can squeeze a 315/35/20 on an 11" rim but you have to nail the backspace.

dgreen · 05-23-2011, 05:34 PM

Quote:

Originally Posted by tazman87

10 inch rims. 295 tire. and i'm sorry but i cannot remember the spacing. but what i have is the biggest you can go without tubbing the fenders

sick thanks, the only thing i dont under stand is the spacing i want to buy these rims but dont know what to do with the spacing.

http://www.summitracing.com/parts/USW-37-5850/

bmchevy1979 · 05-23-2011, 08:39 PM

those being a 15x8 rim the backspacing on them is a little less critical and the ones you posted are about where you would want it to be

dgreen · 05-24-2011, 09:34 AM

Quote:

Originally Posted by bmchevy1979

those being a 15x8 rim the backspacing on them is a little less critical and the ones you posted are about where you would want it to be

how much back spaceing would i need ? 1/2 inch ?

Slammed '87 · 05-26-2011, 05:08 AM

Quote:

Originally Posted by dgreen

sick thanks, the only thing i dont under stand is the spacing i want to buy these rims but dont know what to do with the spacing.

http://www.summitracing.com/parts/USW-37-5850/

That is a pretty common backspace size for those types of wheels. It is a good backspace on the front wheels if you are lowered because there will be no rubbing issues on the lower a-arms. If you run a 15 x 10 in the rear you can only lower it so much or it will rub the outer fender. I don't know if yours is lowered or if you plan to, but just thought i'd let ya know either way. Here is a picture of my old '87 GMC with similar wheels, same backspace. The fronts are 15 x 8 and the rears are 15 x 10.

dgreen · 05-26-2011, 06:10 AM

Quote:

Originally Posted by Slammed '87

That is a pretty common backspace size for those types of wheels. It is a good backspace on the front wheels if you are lowered because there will be no rubbing issues on the lower a-arms. If you run a 15 x 10 in the rear you can only lower it so much or it will rub the outer fender. I don't know if yours is lowered or if you plan to, but just thought i'd let ya know either way. Here is a picture of my old '87 GMC with similar wheels, same backspace. The fronts are 15 x 8 and the rears are 15 x 10.

thanks dude!

dgreen · 05-26-2011, 06:19 AM

how much did you lower it?

Slammed '87 · 05-26-2011, 10:43 AM

The truck was lowered 6" in the front with 3" spindles and springs. The rear was lowered about 8" with a 6" flip kit, and removed two leafs 2" and had air bags. In those pictures the rear was aired up to about a 5" drop to clear the tires.

dgreen · 05-26-2011, 11:41 AM

Quote:

Originally Posted by Slammed '87

The truck was lowered 6" in the front with 3" spindles and springs. The rear was lowered about 8" with a 6" flip kit, and removed two leafs 2" and had air bags. In those pictures the rear was aired up to about a 5" drop to clear the tires.

ok sick bc i just want to drop the ass end 2" with shackels to make it level, im just trying to fig out if i have to notch the frame or not, and ive never put bushings in idk how to go about that looks easy tho

RandyP · 05-26-2011, 11:47 AM

With 2" shackles in the rear you don't have to notch the frame, just the bed. Otherwise the shackles hit the bed crossmember right above the shackle.

dgreen · 05-26-2011, 12:30 PM

Quote:

Originally Posted by RandyP

With 2" shackles in the rear you don't have to notch the frame, just the bed. Otherwise the shackles hit the bed crossmember right above the shackle.

ok sick got any photos of were i need to notch it, thanks for the help

joe231 · 05-26-2011, 04:43 PM

Quote:

Originally Posted by RandyP

With 2" shackles in the rear you don't have to notch the frame, just the bed. Otherwise the shackles hit the bed crossmember right above the shackle.

depends on the rear spring length...52" leafs you have to notch the cross sill...56" leafs you don't have to .

dgreen · 05-26-2011, 05:15 PM

Quote:

Originally Posted by joe231

depends on the rear spring length...52" leafs you have to notch the cross sill...56" leafs you don't have to .

what came with a 87 chevy pick up lwb 5.7 silverado?

RandyP · 05-26-2011, 05:38 PM

I did not measure my leafs, but my 1987 LWB Silverado, the shackles would not fit and clear the bed, so I took them back off. They were hitting the beds cross braces.

slugish · 05-26-2011, 11:21 PM

Quote:

Originally Posted by tazman87

10 inch rims. 295 tire. and i'm sorry but i cannot remember the spacing. but what i have is the biggest you can go without tubbing the fenders

Im running 275x17 on 9.5 rims --4 in bs -- & its all Ican do without rubbing.

lowered 6.5-7 in the rear. If that bs 'ing on your wheel shown is less than 4.5 in Idont think it would work unless you tubbed or rolled your fender lips

**N2TRUX** · 05-26-2011, 11:21 PM

Quote:

Originally Posted by RandyP

I did not measure my leafs, but my 1987 LWB Silverado, the shackles would not fit and clear the bed, so I took them back off. They were hitting the beds cross braces.

Quote:

Originally Posted by joe231

depends on the rear spring length...52" leafs you have to notch the cross sill...56" leafs you don't have to .

Joe is correct, it depends on spring length and bed length or a combination of the two.

dgreen · 05-27-2011, 07:19 AM

Quote:

Originally Posted by N2TRUX

Joe is correct, it depends on spring length and bed length or a combination of the two.

ya i looked it will for sure hit my bed, any one got photos of how they cut the bed?

bbbc10 · 05-27-2011, 08:13 AM

my 84 wth 15x10 wth 5" of bs an 275/60 an 6" drop.jus got enuff room to slide my hand between the lip an tire

05-23-2011, 03:16 PM	#1
dgreen Registered User Join Date: May 2011 Location: rochester ny Posts: 176	what rim SIZEs what rim sizes can i get away with 87 chevy pick up,?

05-23-2011, 04:13 PM	#2
tazman87 Registered User Join Date: Aug 2010 Location: New Hamburg, Ontario Posts: 220	Re: what rim SIZEs 10 inch rims. 295 tire. and i'm sorry but i cannot remember the spacing. but what i have is the biggest you can go without tubbing the fenders Attached Images

05-23-2011, 04:15 PM	#3
tazman87 Registered User Join Date: Aug 2010 Location: New Hamburg, Ontario Posts: 220	Re: what rim SIZEs those are the rears of course

05-23-2011, 04:18 PM	#4
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,021	Re: what rim SIZEs I have been told that you can squeeze a 315/35/20 on an 11" rim but you have to nail the backspace. __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"

05-23-2011, 08:39 PM	#6
bmchevy1979 Registered User Join Date: Dec 2010 Location: Visalia, Ca Posts: 707	Re: what rim SIZEs those being a 15x8 rim the backspacing on them is a little less critical and the ones you posted are about where you would want it to be __________________ <Brandon> 1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works. 1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15 81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in 1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096 1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195

05-26-2011, 06:19 AM	#10
dgreen Registered User Join Date: May 2011 Location: rochester ny Posts: 176	Re: what rim SIZEs how much did you lower it?

05-26-2011, 10:43 AM	#11
Slammed '87 Registered User Join Date: Feb 2003 Location: Calgary Canada Posts: 556	Re: what rim SIZEs The truck was lowered 6" in the front with 3" spindles and springs. The rear was lowered about 8" with a 6" flip kit, and removed two leafs 2" and had air bags. In those pictures the rear was aired up to about a 5" drop to clear the tires. __________________ If you can't rock the roads with your bumpers 1/2" off the ground, you're nowhere near low enough!

05-26-2011, 11:47 AM	#13
RandyP Getting Old; Going Broke Join Date: Apr 2010 Location: Owasso OK Posts: 2,764	Re: what rim SIZEs With 2" shackles in the rear you don't have to notch the frame, just the bed. Otherwise the shackles hit the bed crossmember right above the shackle. __________________ *Why is every used 350 sbc out of a corvette?* There's only two things that excite a man, expensive toys and real expensive toys. *VEGETARIAN: That's an old Indian word meaning "I don't hunt so good."* When the going gets tough, switch to power tools. Last edited by RandyP; 05-26-2011 at 11:49 AM.

05-26-2011, 05:38 PM	#17
RandyP Getting Old; Going Broke Join Date: Apr 2010 Location: Owasso OK Posts: 2,764	Re: what rim SIZEs I did not measure my leafs, but my 1987 LWB Silverado, the shackles would not fit and clear the bed, so I took them back off. They were hitting the beds cross braces. __________________ *Why is every used 350 sbc out of a corvette?* There's only two things that excite a man, expensive toys and real expensive toys. *VEGETARIAN: That's an old Indian word meaning "I don't hunt so good."* When the going gets tough, switch to power tools.

05-27-2011, 08:13 AM	#21
bbbc10 Diggin The SquareLife Join Date: Dec 2010 Location: garland,tx Posts: 1,933	Re: what rim SIZEs my 84 wth 15x10 wth 5" of bs an 275/60 an 6" drop.jus got enuff room to slide my hand between the lip an tire Attached Images



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