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Re: Rotating tires -- Procomp directional treads
Back when I started driving OEM bias ply tires were only good for 12k miles
and you would do a 5 tire rotation for that first year and buy 4 new tires of better quality that would last 16-20k and keep the best of the original tires as the spare. When winter arrived you would buy 2 studded snow tires and 1 used steel rim and have them mounted for the winter season on your spare and that used rim. When summer arrived you would dismount the snows and put one in your garage and one in the trunk as your spare. From then on you did a 4 tire rotation. Things progressed over the next few years first with belted bias-ply tires that would last 24-30K miles and then steel belted radials that lasted 30-40k. My first radials in 1974 was a set of Kelly's that had 4 body plys and 3 steel belts. The ride was punishing but the handling was phenomenal As has been mentioned before the early radials were rotated front to back. I don't recall ever asking why but just followed their instructions. For a few years there were a variety of radial construction ideas. Steel, polyester, nylon, rayon, fiberglass, aramid, and even Kevlar was used in the radial's construction. I don't know when the rotation changed back again to one of the cross rotation methods but I am guessing about 15 years ago as I am fairly sure the OEM Vectors that came on my '84 Dodge Aries were still rotated front-back. After that I had 2 T-Birds, an XJ, and 2 Audis. The T-Birds and Audis had direction performance tires and has to be rotated front-back which had been my practice for many years. I bought the XJ while I still had the 2nd T'Bird so I rotated the OEM Wranglers in the same manner. What does this have to do with ProComp you say.... If the ProComps are directional they will say so on the sidewall. If by any other quirk in their construction they require a specific rotational method the manufacturer will advise you. They may not have an incentive to maximize your tires longevity but in this modern litigious society they absolutely WILL NOT advise you to do anything that would lead to early catastrophic failure as shyster lawyers would have them in court until they drove ProComp into bankruptcy with both real and fraudulent claims. For what it is worth my WJ's manual and the factory manual (on CD) recommend forward-cross back rotation. on section 22 page 5 STANDARD PROCEDURE - TIRE ROTATION Tires on the front and rear operate at different loads and perform different steering, driving, and braking functions. For these reasons they wear at unequal rates and tend to develop irregular wear patterns. These effects can be reduced by rotating the tires at regular intervals. The benefits of tire rotation are: ² Increase tread life ² Maintain traction levels ² A smooth, quiet ride The suggested method of tire rotation is (Fig. 10). Other rotation methods can be used, but they will not provide all the tire longevity benefits. (Figure 10 shows four tire rotation with the rear tires to the front on the same side and then the front tires crossed and mounted on the rear) My Conclusion: Your spare is a spare, it is just meant to last until you are able to get the flat tire fixed or replaced. I have a brand new OEM Wrangler ST as a spare and it is going to stay there. When I bought the WJ a part of the deal was a replacement of the tires with ones of GOOD quality. I got a set of 4 highly rated Kumhos for an additional $125 to replace the Wranglers -- .. Billy_Ray@SPAM.fuse.net (remove SPAM) 2002 Jeep WJ 4 Liter Automatic Brilliant Black Crystal Pearl Coat Sharing is why we are all here....... or should be. .. "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:tkcWe.3031$6Z1.755497@news20.bellglobal.com.. . > Ok....but what's the point of having a spare.....to throw on when you have > an unrepairable flat. > > Actually, now that I think (it happens)....my spare can't just go on > either side as it's a directional tread too. haha.... > > So is there an issue with running your tread backwards...as in the > spare...so temporarily?! > > "SoK66" <Nospam@SoK.net> wrote in message > news:dgap8m01rvr@enews2.newsguy.com... >>> So, if I don't rotate in teh spare.....30,000km down the road when I've >>> worn Xinches off my tires and I go to put on my spare which still has >>> the little bristles things on it.....will i not stress gearage and >>> bearings by having one tire large than another on the same axle? < >> >> Jeff's right, fix the flat and return the unworn tire to being a spare. >> This can become a real issue if you have a Detroit Locker and put a >> newer, larger tire on one side. Can you say CRAB WALK??? >> >> >> > > |
Re: Rotating tires -- Procomp directional treads
Back when I started driving OEM bias ply tires were only good for 12k miles
and you would do a 5 tire rotation for that first year and buy 4 new tires of better quality that would last 16-20k and keep the best of the original tires as the spare. When winter arrived you would buy 2 studded snow tires and 1 used steel rim and have them mounted for the winter season on your spare and that used rim. When summer arrived you would dismount the snows and put one in your garage and one in the trunk as your spare. From then on you did a 4 tire rotation. Things progressed over the next few years first with belted bias-ply tires that would last 24-30K miles and then steel belted radials that lasted 30-40k. My first radials in 1974 was a set of Kelly's that had 4 body plys and 3 steel belts. The ride was punishing but the handling was phenomenal As has been mentioned before the early radials were rotated front to back. I don't recall ever asking why but just followed their instructions. For a few years there were a variety of radial construction ideas. Steel, polyester, nylon, rayon, fiberglass, aramid, and even Kevlar was used in the radial's construction. I don't know when the rotation changed back again to one of the cross rotation methods but I am guessing about 15 years ago as I am fairly sure the OEM Vectors that came on my '84 Dodge Aries were still rotated front-back. After that I had 2 T-Birds, an XJ, and 2 Audis. The T-Birds and Audis had direction performance tires and has to be rotated front-back which had been my practice for many years. I bought the XJ while I still had the 2nd T'Bird so I rotated the OEM Wranglers in the same manner. What does this have to do with ProComp you say.... If the ProComps are directional they will say so on the sidewall. If by any other quirk in their construction they require a specific rotational method the manufacturer will advise you. They may not have an incentive to maximize your tires longevity but in this modern litigious society they absolutely WILL NOT advise you to do anything that would lead to early catastrophic failure as shyster lawyers would have them in court until they drove ProComp into bankruptcy with both real and fraudulent claims. For what it is worth my WJ's manual and the factory manual (on CD) recommend forward-cross back rotation. on section 22 page 5 STANDARD PROCEDURE - TIRE ROTATION Tires on the front and rear operate at different loads and perform different steering, driving, and braking functions. For these reasons they wear at unequal rates and tend to develop irregular wear patterns. These effects can be reduced by rotating the tires at regular intervals. The benefits of tire rotation are: ² Increase tread life ² Maintain traction levels ² A smooth, quiet ride The suggested method of tire rotation is (Fig. 10). Other rotation methods can be used, but they will not provide all the tire longevity benefits. (Figure 10 shows four tire rotation with the rear tires to the front on the same side and then the front tires crossed and mounted on the rear) My Conclusion: Your spare is a spare, it is just meant to last until you are able to get the flat tire fixed or replaced. I have a brand new OEM Wrangler ST as a spare and it is going to stay there. When I bought the WJ a part of the deal was a replacement of the tires with ones of GOOD quality. I got a set of 4 highly rated Kumhos for an additional $125 to replace the Wranglers -- .. Billy_Ray@SPAM.fuse.net (remove SPAM) 2002 Jeep WJ 4 Liter Automatic Brilliant Black Crystal Pearl Coat Sharing is why we are all here....... or should be. .. "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:tkcWe.3031$6Z1.755497@news20.bellglobal.com.. . > Ok....but what's the point of having a spare.....to throw on when you have > an unrepairable flat. > > Actually, now that I think (it happens)....my spare can't just go on > either side as it's a directional tread too. haha.... > > So is there an issue with running your tread backwards...as in the > spare...so temporarily?! > > "SoK66" <Nospam@SoK.net> wrote in message > news:dgap8m01rvr@enews2.newsguy.com... >>> So, if I don't rotate in teh spare.....30,000km down the road when I've >>> worn Xinches off my tires and I go to put on my spare which still has >>> the little bristles things on it.....will i not stress gearage and >>> bearings by having one tire large than another on the same axle? < >> >> Jeff's right, fix the flat and return the unworn tire to being a spare. >> This can become a real issue if you have a Detroit Locker and put a >> newer, larger tire on one side. Can you say CRAB WALK??? >> >> >> > > |
Re: Rotating tires -- Procomp directional treads
I do not rotate my tires on my Jeep. They tend to wear out pretty evenly,
although I'll be the first to admit the wear pattern on each tire is different. I have stumbled into a problem, I have a brand spanking new BFG Mud Terrain, 32x11.50 that is no longer available. When I buy new tires, the MT is now the MT/KM and has a different tread pattern. Yes, you may have stress issues, but I suggest that you stress the diffs much more while wheeling than you'll ever stress them from having a new tire on one side and an old tire on the other. Drive home on the new tire and visit the tire store to get the old tire repaired or replaced, and hang the new tire back on the rack, or put the two new tires on the back, the best of the old tires on the front, and the best remaining old tire on the rack, and go wheeling again. "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:H24We.2894$6Z1.689710@news20.bellglobal.com.. . > OK.....these are mud tires....so I expect more wear than on a standard > tire. > So, if I don't rotate in teh spare.....30,000km down the road when I've > worn Xinches off my tires and I go to put on my spare which still has the > little bristles things on it.....will i not stress gearage and bearings by > having one tire large than another on the same axle? > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:__2dnQ376qbfDrXeRVn-jA@ez2.net... >> Rotate from front to back, and leave the spare on the rack. Don't make >> this harder than it needs to be. >> >> PS >> The IN side of the tire is always toward the Jeep, but the tires turn one >> way (CCW) on the left side, and the other way (CW) on the right side. >> >> >> >> >> >> "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message >> news:HIIVe.2262$1G4.314991@news20.bellglobal.com.. . >>> Hey guys, >>> >>> Love my new 31" Procomp XT's...lookin meaner than those sissy stock >>> tires ;) >>> >>> Anyhow, I'm coming up to a mileage point where I should rotate tires. >>> I'd like to bring in my spare too....but seeing as the front left tire >>> would go to the right rear, how can you do this if you can't flip the >>> tire around (to keep the IN-side of the rim towards the jeep)?? >>> >>> Rims are American racing 797's. >>> >> > > |
Re: Rotating tires -- Procomp directional treads
I do not rotate my tires on my Jeep. They tend to wear out pretty evenly,
although I'll be the first to admit the wear pattern on each tire is different. I have stumbled into a problem, I have a brand spanking new BFG Mud Terrain, 32x11.50 that is no longer available. When I buy new tires, the MT is now the MT/KM and has a different tread pattern. Yes, you may have stress issues, but I suggest that you stress the diffs much more while wheeling than you'll ever stress them from having a new tire on one side and an old tire on the other. Drive home on the new tire and visit the tire store to get the old tire repaired or replaced, and hang the new tire back on the rack, or put the two new tires on the back, the best of the old tires on the front, and the best remaining old tire on the rack, and go wheeling again. "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:H24We.2894$6Z1.689710@news20.bellglobal.com.. . > OK.....these are mud tires....so I expect more wear than on a standard > tire. > So, if I don't rotate in teh spare.....30,000km down the road when I've > worn Xinches off my tires and I go to put on my spare which still has the > little bristles things on it.....will i not stress gearage and bearings by > having one tire large than another on the same axle? > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:__2dnQ376qbfDrXeRVn-jA@ez2.net... >> Rotate from front to back, and leave the spare on the rack. Don't make >> this harder than it needs to be. >> >> PS >> The IN side of the tire is always toward the Jeep, but the tires turn one >> way (CCW) on the left side, and the other way (CW) on the right side. >> >> >> >> >> >> "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message >> news:HIIVe.2262$1G4.314991@news20.bellglobal.com.. . >>> Hey guys, >>> >>> Love my new 31" Procomp XT's...lookin meaner than those sissy stock >>> tires ;) >>> >>> Anyhow, I'm coming up to a mileage point where I should rotate tires. >>> I'd like to bring in my spare too....but seeing as the front left tire >>> would go to the right rear, how can you do this if you can't flip the >>> tire around (to keep the IN-side of the rim towards the jeep)?? >>> >>> Rims are American racing 797's. >>> >> > > |
Re: Rotating tires -- Procomp directional treads
I do not rotate my tires on my Jeep. They tend to wear out pretty evenly,
although I'll be the first to admit the wear pattern on each tire is different. I have stumbled into a problem, I have a brand spanking new BFG Mud Terrain, 32x11.50 that is no longer available. When I buy new tires, the MT is now the MT/KM and has a different tread pattern. Yes, you may have stress issues, but I suggest that you stress the diffs much more while wheeling than you'll ever stress them from having a new tire on one side and an old tire on the other. Drive home on the new tire and visit the tire store to get the old tire repaired or replaced, and hang the new tire back on the rack, or put the two new tires on the back, the best of the old tires on the front, and the best remaining old tire on the rack, and go wheeling again. "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:H24We.2894$6Z1.689710@news20.bellglobal.com.. . > OK.....these are mud tires....so I expect more wear than on a standard > tire. > So, if I don't rotate in teh spare.....30,000km down the road when I've > worn Xinches off my tires and I go to put on my spare which still has the > little bristles things on it.....will i not stress gearage and bearings by > having one tire large than another on the same axle? > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:__2dnQ376qbfDrXeRVn-jA@ez2.net... >> Rotate from front to back, and leave the spare on the rack. Don't make >> this harder than it needs to be. >> >> PS >> The IN side of the tire is always toward the Jeep, but the tires turn one >> way (CCW) on the left side, and the other way (CW) on the right side. >> >> >> >> >> >> "Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message >> news:HIIVe.2262$1G4.314991@news20.bellglobal.com.. . >>> Hey guys, >>> >>> Love my new 31" Procomp XT's...lookin meaner than those sissy stock >>> tires ;) >>> >>> Anyhow, I'm coming up to a mileage point where I should rotate tires. >>> I'd like to bring in my spare too....but seeing as the front left tire >>> would go to the right rear, how can you do this if you can't flip the >>> tire around (to keep the IN-side of the rim towards the jeep)?? >>> >>> Rims are American racing 797's. >>> >> > > |
Re: Rotating tires -- Procomp directional treads
"Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:tkcWe.3031$6Z1.755497@news20.bellglobal.com.. . > Ok....but what's the point of having a spare.....to throw on when you have > an unrepairable flat. > > Actually, now that I think (it happens)....my spare can't just go on > either side as it's a directional tread too. haha.... > > So is there an issue with running your tread backwards...as in the > spare...so temporarily?! > Me thinks you're confused. You do not have directional tires, you have tires that have an inside and an outside, and they must be mounted on the rim the right way, but they can be used on either side of your Jeep. If they have an arrow that indicates that the tire must turn "this way", then they are directional, but if they simply say "outside", they are not directional. I have tires on my BMW that say, "outside", but they can be swapped from side to side because the outside remains on the outside as long as the tire is on the rim right. A Directional Tire has a Rotation Direction indicator molded on it, and a spare with a direction wouldn't be very useful if it was for a left hand rotation, and it was needed in a right hand application. |
Re: Rotating tires -- Procomp directional treads
"Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:tkcWe.3031$6Z1.755497@news20.bellglobal.com.. . > Ok....but what's the point of having a spare.....to throw on when you have > an unrepairable flat. > > Actually, now that I think (it happens)....my spare can't just go on > either side as it's a directional tread too. haha.... > > So is there an issue with running your tread backwards...as in the > spare...so temporarily?! > Me thinks you're confused. You do not have directional tires, you have tires that have an inside and an outside, and they must be mounted on the rim the right way, but they can be used on either side of your Jeep. If they have an arrow that indicates that the tire must turn "this way", then they are directional, but if they simply say "outside", they are not directional. I have tires on my BMW that say, "outside", but they can be swapped from side to side because the outside remains on the outside as long as the tire is on the rim right. A Directional Tire has a Rotation Direction indicator molded on it, and a spare with a direction wouldn't be very useful if it was for a left hand rotation, and it was needed in a right hand application. |
Re: Rotating tires -- Procomp directional treads
"Steve" <sbrady1(woo hoo)@sympatico.ca> wrote in message news:tkcWe.3031$6Z1.755497@news20.bellglobal.com.. . > Ok....but what's the point of having a spare.....to throw on when you have > an unrepairable flat. > > Actually, now that I think (it happens)....my spare can't just go on > either side as it's a directional tread too. haha.... > > So is there an issue with running your tread backwards...as in the > spare...so temporarily?! > Me thinks you're confused. You do not have directional tires, you have tires that have an inside and an outside, and they must be mounted on the rim the right way, but they can be used on either side of your Jeep. If they have an arrow that indicates that the tire must turn "this way", then they are directional, but if they simply say "outside", they are not directional. I have tires on my BMW that say, "outside", but they can be swapped from side to side because the outside remains on the outside as long as the tire is on the rim right. A Directional Tire has a Rotation Direction indicator molded on it, and a spare with a direction wouldn't be very useful if it was for a left hand rotation, and it was needed in a right hand application. |
Re: Rotating tires -- Procomp directional treads
Mike has a very good idea here. Get a tire that is as tall as it needs to be
to match the diameter of the other tires, and as skinny as it can be so it's as light as possible. It won't work very well offroading, but it should get you back to the highway and on to the tire store where you can get the damaged tire repaired or replaced. "Mike Romain" <romainm@sympatico.ca> wrote in message news:432977D3.8F38BCE@sympatico.ca... > You need two spares or you should have done what most folks with > directional tires do and just get a 'real' spare. That means getting a > tire as tall as your street tires and as skinny as you can find to cut > down on weight and use that as a spare. > > That 5th tire is now just dead weight. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > Steve wrote: >> >> Ok....but what's the point of having a spare.....to throw on when you >> have >> an unrepairable flat. >> >> Actually, now that I think (it happens)....my spare can't just go on >> either >> side as it's a directional tread too. haha.... >> >> So is there an issue with running your tread backwards...as in the >> spare...so temporarily?! >> >> "SoK66" <Nospam@SoK.net> wrote in message >> news:dgap8m01rvr@enews2.newsguy.com... >> >> So, if I don't rotate in teh spare.....30,000km down the road when >> >> I've >> >> worn Xinches off my tires and I go to put on my spare which still has >> >> the >> >> little bristles things on it.....will i not stress gearage and >> >> bearings >> >> by having one tire large than another on the same axle? < >> > >> > Jeff's right, fix the flat and return the unworn tire to being a spare. >> > This can become a real issue if you have a Detroit Locker and put a >> > newer, >> > larger tire on one side. Can you say CRAB WALK??? >> > >> > >> > |
Re: Rotating tires -- Procomp directional treads
Mike has a very good idea here. Get a tire that is as tall as it needs to be
to match the diameter of the other tires, and as skinny as it can be so it's as light as possible. It won't work very well offroading, but it should get you back to the highway and on to the tire store where you can get the damaged tire repaired or replaced. "Mike Romain" <romainm@sympatico.ca> wrote in message news:432977D3.8F38BCE@sympatico.ca... > You need two spares or you should have done what most folks with > directional tires do and just get a 'real' spare. That means getting a > tire as tall as your street tires and as skinny as you can find to cut > down on weight and use that as a spare. > > That 5th tire is now just dead weight. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > Steve wrote: >> >> Ok....but what's the point of having a spare.....to throw on when you >> have >> an unrepairable flat. >> >> Actually, now that I think (it happens)....my spare can't just go on >> either >> side as it's a directional tread too. haha.... >> >> So is there an issue with running your tread backwards...as in the >> spare...so temporarily?! >> >> "SoK66" <Nospam@SoK.net> wrote in message >> news:dgap8m01rvr@enews2.newsguy.com... >> >> So, if I don't rotate in teh spare.....30,000km down the road when >> >> I've >> >> worn Xinches off my tires and I go to put on my spare which still has >> >> the >> >> little bristles things on it.....will i not stress gearage and >> >> bearings >> >> by having one tire large than another on the same axle? < >> > >> > Jeff's right, fix the flat and return the unworn tire to being a spare. >> > This can become a real issue if you have a Detroit Locker and put a >> > newer, >> > larger tire on one side. Can you say CRAB WALK??? >> > >> > >> > |
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