33x10.5 tires???? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 01-14-2002, 06:59 PM
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33x10.5 tires????

Anyone running this size tire? Id like to see what they look like mounted on a truck. Its kind of an odd ball size but BFG does make it in thier All-Terrian and Mud-Terrain tires. what would be some advantages and dis-advantages of running this narrower tire? They would probably give the truck a more sort of military work truck look. Currently running 33x12.5

84 K5 Blazer: balanced 355,non/lockup 700r4,NP208,12bolt rear,corp 10 bolt front,3.73 with posi both ends,3 1/2" susp lift, 33x12.50 on outlaw wheels.
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post #2 of (permalink) Old 01-14-2002, 07:30 PM
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Re: 33x10.5 tires????

I would think that they look like the tires you are running now just a little narrower. I think Im going to run 33X10.5 cause I cant fit 12.5 s on . If I could run 12.5 I would and I dont know why you would want to run narrow tires. Thats were you get majority of your traction is in the width.

94,chevy silverado,1500,ext. cab,4x4,31x10.5R15 - 1996 Jeep Grand cherokee laredo 4x4 2"Lift,31x10.5R15 bfgAT/KO, k&n
post #3 of (permalink) Old 01-14-2002, 07:52 PM
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Re: 33x10.5 tires????

How about this theory on the width factor. Since the truck weighs the same with either tire basically, the narrower tire, having a smaller footprint, would have greater down pressure of vehicle weight per square inch of footprint. Could be helpfull in some conditions. Wider tires would definatly be better for circumstanses that called for the flotation effect, like in loose sand. The narrower tire weighs less and sheds from wheel weight. This robs less power from the drivetrain and gives better milage too. Just some thoughts I was tossin around. Maybe I can find a pic somewhere to see what they look like mounted. I like to put function over form but looks are important too.

84 K5 Blazer: balanced 355,non/lockup 700r4,NP208,12bolt rear,corp 10 bolt front,3.73 with posi both ends,3 1/2" susp lift, 33x12.50 on outlaw wheels.
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post #4 of (permalink) Old 01-14-2002, 08:02 PM
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Re: 33x10.5 tires????

Well K5Blazer84, it is to my knowledge that if you are running narrower tires you will do better in snow and mud and with the wider tires typically sand is your best bet. Correct me if I am wrong. If I were you I would stick with the 12.5's because I think they fill the wells and look better. That is just my .02 worth.

95 Chevy Ext. Cab Z71, K&N, 6" BDS, Stereo system
post #5 of (permalink) Old 01-14-2002, 08:11 PM
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Re: 33x10.5 tires????

It snowed hear last nigh and I was running my 31X10.5. I was on the road and I couldnt get much traction, I think if my tires were 12.5" wide it would have helped me get traction. You think that narrower tires would be easyer on the driveline and drive components?

94,chevy silverado,1500,ext. cab,4x4,31x10.5R15 - 1996 Jeep Grand cherokee laredo 4x4 2"Lift,31x10.5R15 bfgAT/KO, k&n
post #6 of (permalink) Old 01-14-2002, 08:30 PM
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Re: 33x10.5 tires????

Have you had any troubles so far with your drivetrain. Im sure a few inches in width wouldnt be too much of a factor compared to Diameter. Wider tires will put a bigger footprint and grab onto the walls of the ruts you drive through in the mud with alot more traction. what width are your rims? My friend is running 32x11.50 on his truck with 10 inch wide rims and it looks like his tires are rounder on the sides because the rim makes the tires poke out. Kinda like a donut shape.....kinda hard to explain...like the lowrider trucks with the gangsta mo rims and tires that make them look like donuts...

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post #7 of (permalink) Old 01-14-2002, 10:51 PM
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Re: 33x10.5 tires????

I got 265/75 R16 (pretty much 32X10.5) and I like the narrower track of them.

Attatched is a pic of em, hope it helps.

I do think a bit wider tire does look a little better in some cases, and would work better when you're looking for flotation, but I personally like skinny tires for some reason.

Beat up 78 GMC 3/4T Camp. Spec. 350/465/205; needs less work. 265/75R16 BFG M/T
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post #8 of (permalink) Old 01-15-2002, 07:14 AM
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Re: 33x10.5 tires????

To my knowledge I have not had any specific problems that I could relate to tire size with the 33x12.5's. My rim size is 15x8. According to the catalogs, the 10.5 width is perfect for an 8" rim. I know what you mean by rims that are to wide for the tires. It pulls the bead out wider than the width of the tread and I agree that this doesnt look too good. Have you ever seen a truck mounted with 35x12.5's? This size gives the tire a narrower look since theyre taller than the 33's. Im thinking that this would be the general effect the 33x10.5's would give. Just overall smaller then the 35x12.5's. Im always looking to lighten the load and increase efficiency. Also as the other member has mentioned, I too have heard that narrower tires can be better in snow and mud. The narrower tire has less material to push out of its way. Sort of like a slicing effect. You know the sharper knife will always slice through faster. The 33x10.5's are about $15 cheaper per tire then the 33x12.5's.
Im always one to think things out throughly before diving in. The only thing im not sure about would be the look. Id hate to shell out $500 to get em mounted and be shocked by the look.

84 K5 Blazer: balanced 355,non/lockup 700r4,NP208,12bolt rear,corp 10 bolt front,3.73 with posi both ends,3 1/2" susp lift, 33x12.50 on outlaw wheels.
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