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Re: 97 jeep wrangler mismatched tires causing steering problem??
mabar wrote:
> That is only 4psi more than you are using, but it might make a slight > difference. Slight difference? HUGE difference. I run 30x9.5's on factory rims, and run 32 psi on the street. The handling difference from the OEM spec of 29 psi is astounding. Easier steering and better mileage as well, while maintaining excellent traction in the rain. Big tires like this generate a lot of rolling resistance and internal heat can be a problem, even if you've invested in very high quality rubber. When in doubt, air it up. If you're running decent quality tires to begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
Thanks guys. Also, I am thinking that the "wandering" problem is the
mismatched tires. I had no problems with it when I had the old tires on. I have BFG (new) on the back. and older tires on the front, different brand. Would that affect handling? more than the ball joints??? the thing is I wanted to leave the old tires on there cause they had good tread left. I am thinking that if I get all BFG's the steering will be ok. Outatime wrote: > mabar wrote: > > > That is only 4psi more than you are using, but it might make a slight > > difference. > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > and run 32 psi on the street. The handling difference from the OEM spec > of 29 psi is astounding. Easier steering and better mileage as well, > while maintaining excellent traction in the rain. Big tires like this > generate a lot of rolling resistance and internal heat can be a problem, > even if you've invested in very high quality rubber. > > When in doubt, air it up. If you're running decent quality tires to > begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
Thanks guys. Also, I am thinking that the "wandering" problem is the
mismatched tires. I had no problems with it when I had the old tires on. I have BFG (new) on the back. and older tires on the front, different brand. Would that affect handling? more than the ball joints??? the thing is I wanted to leave the old tires on there cause they had good tread left. I am thinking that if I get all BFG's the steering will be ok. Outatime wrote: > mabar wrote: > > > That is only 4psi more than you are using, but it might make a slight > > difference. > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > and run 32 psi on the street. The handling difference from the OEM spec > of 29 psi is astounding. Easier steering and better mileage as well, > while maintaining excellent traction in the rain. Big tires like this > generate a lot of rolling resistance and internal heat can be a problem, > even if you've invested in very high quality rubber. > > When in doubt, air it up. If you're running decent quality tires to > begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
Thanks guys. Also, I am thinking that the "wandering" problem is the
mismatched tires. I had no problems with it when I had the old tires on. I have BFG (new) on the back. and older tires on the front, different brand. Would that affect handling? more than the ball joints??? the thing is I wanted to leave the old tires on there cause they had good tread left. I am thinking that if I get all BFG's the steering will be ok. Outatime wrote: > mabar wrote: > > > That is only 4psi more than you are using, but it might make a slight > > difference. > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > and run 32 psi on the street. The handling difference from the OEM spec > of 29 psi is astounding. Easier steering and better mileage as well, > while maintaining excellent traction in the rain. Big tires like this > generate a lot of rolling resistance and internal heat can be a problem, > even if you've invested in very high quality rubber. > > When in doubt, air it up. If you're running decent quality tires to > begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
On 15 Nov 2006 18:38:11 -0800, "bspear78" <bspear78@hotmail.com>
wrote: >Thanks guys. Also, I am thinking that the "wandering" problem is the >mismatched tires. I had no problems with it when I had the old tires >on. I have BFG (new) on the back. and older tires on the front, >different brand. Would that affect handling? more than the ball >joints??? the thing is I wanted to leave the old tires on there cause >they had good tread left. I am thinking that if I get all BFG's the >steering will be ok. > > Having different tires front and rear on its own should not affect steering. However, if you have been running your old set at low pressures they will have been weakened by the heat build up over time. That may make the sidewalls softer and as such more prone to distorion - especially on cornering. With new, stiffer tyres on the rear that MAY throw up a feeling of a steering problem as your rear end will feel firmer - if you'll excuse the expression :-) - thus highlighting the differnce between your old and new tires. I always change all four at the same time and have done for the past 30 years on my 4x4s. Tyre rotation should ensure that they all wear out at the same time. Whether your ture wear differential as described above would show up more than the ball joints I couldn't say. But... if your ball joints are so sloppy that you can actually feel it when you are driving I'd get them changed - ever seen what happens when one shears? I had it happen off road at about 5mph. I wouldn't like to be in a vehicle if on sheared at 50mph. Ewan Scott |
Re: 97 jeep wrangler mismatched tires causing steering problem??
On 15 Nov 2006 18:38:11 -0800, "bspear78" <bspear78@hotmail.com>
wrote: >Thanks guys. Also, I am thinking that the "wandering" problem is the >mismatched tires. I had no problems with it when I had the old tires >on. I have BFG (new) on the back. and older tires on the front, >different brand. Would that affect handling? more than the ball >joints??? the thing is I wanted to leave the old tires on there cause >they had good tread left. I am thinking that if I get all BFG's the >steering will be ok. > > Having different tires front and rear on its own should not affect steering. However, if you have been running your old set at low pressures they will have been weakened by the heat build up over time. That may make the sidewalls softer and as such more prone to distorion - especially on cornering. With new, stiffer tyres on the rear that MAY throw up a feeling of a steering problem as your rear end will feel firmer - if you'll excuse the expression :-) - thus highlighting the differnce between your old and new tires. I always change all four at the same time and have done for the past 30 years on my 4x4s. Tyre rotation should ensure that they all wear out at the same time. Whether your ture wear differential as described above would show up more than the ball joints I couldn't say. But... if your ball joints are so sloppy that you can actually feel it when you are driving I'd get them changed - ever seen what happens when one shears? I had it happen off road at about 5mph. I wouldn't like to be in a vehicle if on sheared at 50mph. Ewan Scott |
Re: 97 jeep wrangler mismatched tires causing steering problem??
On 15 Nov 2006 18:38:11 -0800, "bspear78" <bspear78@hotmail.com>
wrote: >Thanks guys. Also, I am thinking that the "wandering" problem is the >mismatched tires. I had no problems with it when I had the old tires >on. I have BFG (new) on the back. and older tires on the front, >different brand. Would that affect handling? more than the ball >joints??? the thing is I wanted to leave the old tires on there cause >they had good tread left. I am thinking that if I get all BFG's the >steering will be ok. > > Having different tires front and rear on its own should not affect steering. However, if you have been running your old set at low pressures they will have been weakened by the heat build up over time. That may make the sidewalls softer and as such more prone to distorion - especially on cornering. With new, stiffer tyres on the rear that MAY throw up a feeling of a steering problem as your rear end will feel firmer - if you'll excuse the expression :-) - thus highlighting the differnce between your old and new tires. I always change all four at the same time and have done for the past 30 years on my 4x4s. Tyre rotation should ensure that they all wear out at the same time. Whether your ture wear differential as described above would show up more than the ball joints I couldn't say. But... if your ball joints are so sloppy that you can actually feel it when you are driving I'd get them changed - ever seen what happens when one shears? I had it happen off road at about 5mph. I wouldn't like to be in a vehicle if on sheared at 50mph. Ewan Scott |
Re: 97 jeep wrangler mismatched tires causing steering problem??
There 'can' be such a radical difference between sidewall action on
different brands of tires that the vehicle is considered 'Unsafe' for the road and should not be driven. If the softer sidewalls are on the front, the vehicle can dive into the corners causing 'oversteer' I think it is, which can flip a Wrangler onto it's side or into 360 spins faster than you can blink. It can also wander wander all over. If the softer ones are on the back, the back will wander with the road causing the steering to float around and possibly break the rear end free during a turn causing a spin out before flipping over. In either case you cannot expect an alignment to be very good if it even helps a little which I doubt. I mixed Michelins up front with Goodyears on the back once on a station wagon due to fund limitations..... The deterioration in handling and the wandering was insane. The rear end spun out on the first highway off ramp I took 'at the posted speed' or less! I re-evaluated my finances after I cleaned out my pants.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) bspear78 wrote: > > Thanks guys. Also, I am thinking that the "wandering" problem is the > mismatched tires. I had no problems with it when I had the old tires > on. I have BFG (new) on the back. and older tires on the front, > different brand. Would that affect handling? more than the ball > joints??? the thing is I wanted to leave the old tires on there cause > they had good tread left. I am thinking that if I get all BFG's the > steering will be ok. > > Outatime wrote: > > mabar wrote: > > > > > That is only 4psi more than you are using, but it might make a slight > > > difference. > > > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > > and run 32 psi on the street. The handling difference from the OEM spec > > of 29 psi is astounding. Easier steering and better mileage as well, > > while maintaining excellent traction in the rain. Big tires like this > > generate a lot of rolling resistance and internal heat can be a problem, > > even if you've invested in very high quality rubber. > > > > When in doubt, air it up. If you're running decent quality tires to > > begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
There 'can' be such a radical difference between sidewall action on
different brands of tires that the vehicle is considered 'Unsafe' for the road and should not be driven. If the softer sidewalls are on the front, the vehicle can dive into the corners causing 'oversteer' I think it is, which can flip a Wrangler onto it's side or into 360 spins faster than you can blink. It can also wander wander all over. If the softer ones are on the back, the back will wander with the road causing the steering to float around and possibly break the rear end free during a turn causing a spin out before flipping over. In either case you cannot expect an alignment to be very good if it even helps a little which I doubt. I mixed Michelins up front with Goodyears on the back once on a station wagon due to fund limitations..... The deterioration in handling and the wandering was insane. The rear end spun out on the first highway off ramp I took 'at the posted speed' or less! I re-evaluated my finances after I cleaned out my pants.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) bspear78 wrote: > > Thanks guys. Also, I am thinking that the "wandering" problem is the > mismatched tires. I had no problems with it when I had the old tires > on. I have BFG (new) on the back. and older tires on the front, > different brand. Would that affect handling? more than the ball > joints??? the thing is I wanted to leave the old tires on there cause > they had good tread left. I am thinking that if I get all BFG's the > steering will be ok. > > Outatime wrote: > > mabar wrote: > > > > > That is only 4psi more than you are using, but it might make a slight > > > difference. > > > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > > and run 32 psi on the street. The handling difference from the OEM spec > > of 29 psi is astounding. Easier steering and better mileage as well, > > while maintaining excellent traction in the rain. Big tires like this > > generate a lot of rolling resistance and internal heat can be a problem, > > even if you've invested in very high quality rubber. > > > > When in doubt, air it up. If you're running decent quality tires to > > begin with, traction will never be a problem. |
Re: 97 jeep wrangler mismatched tires causing steering problem??
There 'can' be such a radical difference between sidewall action on
different brands of tires that the vehicle is considered 'Unsafe' for the road and should not be driven. If the softer sidewalls are on the front, the vehicle can dive into the corners causing 'oversteer' I think it is, which can flip a Wrangler onto it's side or into 360 spins faster than you can blink. It can also wander wander all over. If the softer ones are on the back, the back will wander with the road causing the steering to float around and possibly break the rear end free during a turn causing a spin out before flipping over. In either case you cannot expect an alignment to be very good if it even helps a little which I doubt. I mixed Michelins up front with Goodyears on the back once on a station wagon due to fund limitations..... The deterioration in handling and the wandering was insane. The rear end spun out on the first highway off ramp I took 'at the posted speed' or less! I re-evaluated my finances after I cleaned out my pants.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) bspear78 wrote: > > Thanks guys. Also, I am thinking that the "wandering" problem is the > mismatched tires. I had no problems with it when I had the old tires > on. I have BFG (new) on the back. and older tires on the front, > different brand. Would that affect handling? more than the ball > joints??? the thing is I wanted to leave the old tires on there cause > they had good tread left. I am thinking that if I get all BFG's the > steering will be ok. > > Outatime wrote: > > mabar wrote: > > > > > That is only 4psi more than you are using, but it might make a slight > > > difference. > > > > Slight difference? HUGE difference. I run 30x9.5's on factory rims, > > and run 32 psi on the street. The handling difference from the OEM spec > > of 29 psi is astounding. Easier steering and better mileage as well, > > while maintaining excellent traction in the rain. Big tires like this > > generate a lot of rolling resistance and internal heat can be a problem, > > even if you've invested in very high quality rubber. > > > > When in doubt, air it up. If you're running decent quality tires to > > begin with, traction will never be a problem. |
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