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Open Roads Forum  >  Tow Vehicles

 > Mixing "P" and "LT" Tires

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doughere

Mooresville NC

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Posted: 07/28/08 11:59am Link  |  Quote  |  Print  |  Notify Moderator

Getting to be tire buying time. Due to road hazzard damage, I'm looking at new tires, but only need 2. I had thought of changing to LT's when I needed new tires. Anyone know the good, the bad, and the ugly of running a pair of P's on front and LT's on the rear??

Any comments,
Doug

NGRRFan

Colo. Spgs., CO

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Posted: 07/28/08 12:22pm Link  |  Quote  |  Print  |  Notify Moderator

Yep.... gonna be a squirrley ride with the softer sidewall tires on the front.


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eurohazard

Travis AFB, CA

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Posted: 07/28/08 12:55pm Link  |  Quote  |  Print  |  Notify Moderator

I know the proper answer is do not do it. And I would do it today.

But, back in the day (1994) I was in high school, dumb and young. I had an old 1967 Dodge Polara that had 3 different sized tires on it, two of which were bias-ply tires. I had that thing up to 85+ mph on the way to concert with 3 friends inside (actually one is my wife now!). It was a dumb move, and luckily nothing happened........but it could have.

If money is really tight you probably could do it without problems....but I would not tow with the mismatched (P-LT) setup.


-2006 Nissan Armada LE 4x4
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4-in-a-fiver and my statments make the same amount of since.



donn0128

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Posted: 07/28/08 12:57pm Link  |  Quote  |  Print  |  Notify Moderator

Back in the old days some people attempted to do something similar putting bias and radials on the same vehicle. Not a good idea.


Donn


JIMNLIN

Big Cabin, OK

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Posted: 07/28/08 01:19pm Link  |  Quote  |  Print  |  Notify Moderator

my wifes 1500 CC 4x4 chev has Bridgestone P radial tires on the front and BFG LT radial load range C on the rear. Absolutly no problems with handling when max loaded or empty. As Donn says radial/bias ply mix isn't recommened for very good reason.

Jim


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chadsalt

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Posted: 07/28/08 02:21pm Link  |  Quote  |  Print  |  Notify Moderator

I dont think I would put a P on the drivers side and a LT on the passenger side, but P on the front axle and LT on the rear axle shouldnt be a problem.





BenK

SF BayArea

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Posted: 07/28/08 02:22pm Link  |  Quote  |  Print  |  Notify Moderator

All things are for that 'bad' or 'worst' day out there.

By the time your skidding sideways and needing all of whatever safety margin you
can muster, there is no time to go back to the store for the right parts, nor
time to readjust correctly. Either it is there, or isn't....


-Ben Picture of my rig
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
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Ductape

On the Road

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Posted: 07/28/08 04:07pm Link  |  Quote  |  Print  |  Notify Moderator

Come on now, Ben... he's already running P's. Deleting them on the rear in favor of LT is not going to make the vehicle unstable.

It may not be as good as LT all around, but it's not less safe than present.

Doug, I would try it and see how it drives, with the option in mind to purchase the front 2 if you find the handling characteristics unpleasant.


Surveyor SV-234 >Equalizer> H3
Previously a fiver crew.


mowermech

Billings, MT

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Posted: 07/28/08 04:40pm Link  |  Quote  |  Print  |  Notify Moderator

Do you have a 4X4 like (it seems) most people here? If so, read and follow the instructions in the Owner's Manual about tires. Every 4X4 I have ever owned has stated something like "All tires MUST be the same size, type, load range, and tread pattern".
If you don't have a 4X4, never mind.


CM1, USN (RET)
'94 Dodge 3500 4X2 CTD, Std. cab, LB, 5 speed, 4.10 LS diff., Jacobs Rambrake, 273,000 Miles
'99 Monaco McKenzie 32' triple slide
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surveyorjp

Missouri

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Posted: 07/28/08 05:17pm Link  |  Quote  |  Print  |  Notify Moderator

mowermech wrote:

Do you have a 4X4 like (it seems) most people here? If so, read and follow the instructions in the Owner's Manual about tires. Every 4X4 I have ever owned has stated something like "All tires MUST be the same size, type, load range, and tread pattern".
If you don't have a 4X4, never mind.


I agree with mowermech on this issue. If you have a 4x4, I wouldn't mix P type with LT type tires. If you have a 2wd, it shouldn't matter. I remember back when I was a kid and 4x4 wasn't as common, it was common to see different types of tires on the back of 2wd trucks.


2005 Surveyor SV-291 Tows smooth as silk!
1995 Dodge Ram 1500 Laramie SLT 4x4 5.9L V8 low miles, It ain't pretty, but it's paid for!


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