Mixing Tires
Thread Starter
Melting Slicks
Joined: Apr 2001
Posts: 2,119
Likes: 213
From: Pittsburgh PA
Mixing Tires
I have brand new Goodyear Run Flats on the front. The prior owner installed them before I bought the car in April.
The same make tires in the back are ready to go. Do I have to stick with the OEM tire? Can I use another brand of run flat on just the rear?
The same make tires in the back are ready to go. Do I have to stick with the OEM tire? Can I use another brand of run flat on just the rear?
Race Director
Joined: Aug 2001
Posts: 10,783
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From: Hurricane Alley
Its not recommended to do that but I have and it did not affect anything. I had the OEM EMT's on the front and GS D3's on the rear until the fronts needed to be replaced. Reason I did it is because I couldnt afford to replace all four tires at the time.
Racer
Joined: Nov 2006
Posts: 491
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From: Tampa Bay Area, U.S.A. (Zombie Nation)
I have the exact same situation and I was told by an EMT certified shop that it does not matter. So, I am seriously considering waiting 'til the fronts wear out. The only thing keeping me from doing this is my curiosity: I'd like to get the full effect of totally ridding myself of all the EMT's all at once.
Race Director
Joined: Dec 2005
Posts: 11,664
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From: Wellsboro Pa
You have to have the same on the same axle. Due to different rubber compounds used in different tires they recommend having the same on all 4 as the difference will make for different handling in curves, etc. I have put on different from front and rear and have had not problems. I guess that it's a judgement call. Do it, if you notice a problem with the handling be prepared to change the other tires also. Good luck.
Last edited by moserbe; Sep 2, 2007 at 01:11 PM. Reason: tires
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....and also send him some money so he can get a full set of tires 
Last edited by Yello95; Sep 2, 2007 at 11:18 PM.
Melting Slicks
Joined: May 2005
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From: Las Vegas Nevada
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Some people will only go with the run flats. If the fronts are almost new, you could sell them here on the forum for a good price, as they are very expensive tires. Then use the proceeds from the sale and what you were going to spend on the new rear tires and get a complete set of new non run flats. I’ll bet you could get almost as much for the “almost” new run flats as a new non run flat would cost.
Check into it,
Clayton from Las Vegas
Check into it,
Clayton from Las Vegas
