how big of tires will fit on 4x4 3/4 ton suburban - The 1947 - Present Chevrolet & GMC Truck Message Board Network

vern350 · 06-23-2005, 07:51 PM

i got a stock 78 4x4 3/4 suburban. I was wondering what size of tire i could fit, without any rubbing and any problems? 31"/32"33"???

Thanks Brian

screwballl · 06-23-2005, 09:33 PM

hmmmm i would think that you should be able to get standard to wide 31s such as 31x10.50 works easily, had them on my 76 c1500, or slimmer 32s on there.

Redburban · 06-23-2005, 10:46 PM

i have 33x12.50 on my half ton 4x4 burb.

79Silv4x4 · 06-24-2005, 06:31 AM

All depends on wheel width. 33s will normally fit without rubbing on an 8" rim but will rub on a 10" wide rim. Same story on 32s in my experience. 31s will not rub on either size rim.

**special-K** · 06-24-2005, 07:01 AM

Also depends on how much your leafs have settled.Also depends on use and how much travel you will need.

vern350 · 06-24-2005, 12:27 PM

its in need of new tires, so i'm thinking a little more aggressive and bigger. May purchase a lift kit, for clearance and for bigger tires. With a lift kit, can you still carry the same payload?

screwballl · 06-24-2005, 10:06 PM

depends on the kit, some reduce it... the manufacturer of the kit should have some more info on that. sometimes you can get a 2-3" body lift for the bigger tires and keep the towing hitch/assembly on the frame without too many problems. The only time it may affect it is if you load up the inside back of the burb...

u2slow · 06-25-2005, 09:45 AM

I run 255/85R16 (approx. 33x10") on the back of my 2wd Burb. No rubbing.

I also ran the same size on my '91 crew without any lift or rubbing.

06-23-2005, 07:51 PM	#1
vern350 like a rock Join Date: Nov 2004 Location: Ontario, Canada Posts: 517	how big of tires will fit on 4x4 3/4 ton suburban i got a stock 78 4x4 3/4 suburban. I was wondering what size of tire i could fit, without any rubbing and any problems? 31"/32"33"??? Thanks Brian

06-23-2005, 09:33 PM	#2
screwballl Tonawanda 454 Join Date: Mar 2004 Location: Liquid Sunshine State Posts: 2,754	hmmmm i would think that you should be able to get standard to wide 31s such as 31x10.50 works easily, had them on my 76 c1500, or slimmer 32s on there. __________________ 91 Chevy Suburban Tonawanda 454 R2500 - SOLD!!! 04 Dodge Durango 5.7L Hemi 2WD, 24K miles (as of July 2011) In the past 30 years about 90% of Fords are still on the road, the other 10% made it home. -------------------

06-24-2005, 07:01 AM	#5
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Also depends on how much your leafs have settled.Also depends on use and how much travel you will need. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

06-24-2005, 10:06 PM	#7
screwballl Tonawanda 454 Join Date: Mar 2004 Location: Liquid Sunshine State Posts: 2,754	depends on the kit, some reduce it... the manufacturer of the kit should have some more info on that. sometimes you can get a 2-3" body lift for the bigger tires and keep the towing hitch/assembly on the frame without too many problems. The only time it may affect it is if you load up the inside back of the burb... __________________ 91 Chevy Suburban Tonawanda 454 R2500 - SOLD!!! 04 Dodge Durango 5.7L Hemi 2WD, 24K miles (as of July 2011) In the past 30 years about 90% of Fords are still on the road, the other 10% made it home. -------------------

06-25-2005, 09:45 AM	#8
u2slow Web Wheeler Join Date: Jan 2000 Location: BC, Canada, eh? Posts: 388	I run 255/85R16 (approx. 33x10") on the back of my 2wd Burb. No rubbing. I also ran the same size on my '91 crew without any lift or rubbing. __________________ '66 C10 longstep - Clifford equiped '84 C20 Suburban 6.2L - awaiting 4x4 conversion '91 V3500 Crewcab - awaiting diesel swap

06-23-2005, 10:46 PM	#3
Redburban Registered User Join Date: Jun 2005 Location: Cincinnati, Ohio Posts: 7	i have 33x12.50 on my half ton 4x4 burb.

06-24-2005, 06:31 AM	#4
79Silv4x4 Workaholic Join Date: Oct 2002 Location: Katy, TX Posts: 1,589	All depends on wheel width. 33s will normally fit without rubbing on an 8" rim but will rub on a 10" wide rim. Same story on 32s in my experience. 31s will not rub on either size rim.

06-24-2005, 12:27 PM	#6
vern350 like a rock Join Date: Nov 2004 Location: Ontario, Canada Posts: 517	its in need of new tires, so i'm thinking a little more aggressive and bigger. May purchase a lift kit, for clearance and for bigger tires. With a lift kit, can you still carry the same payload?

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