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post #1 of 4 (permalink) Old 03-22-2004, 10:26 PM Thread Starter
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Angry rubbing 275's

i just got a set of new tires for my 17x9 cobra r's...255/45 front and 275/40 rear
it looks great, rides great but a bit of a problem. Everytime i go over a bump at a speed of 20 mph or more my rear tires rub..Just got them installed tonight so im not sure where its rubbng yet but its making a crazy noise and is felt in the drive. I am upset b/cuz before ordering the tires, I checked the boards...(yes i use the search feature) and i found that certain ppl are using my exact setup with no problem...What do i have to do? airbags in springs..roll fenders?? How come some ppl can run 275's and others cant? If i had known i had to roll fenders and what not i would have went w/ 315's. I dont think i should have to go through that w/ 275's.

Forgot to mention...i also run the eibach pro-kit springs..

Some info on what to do would be great...

Mark T/C, Fordchip, Flowmaster cat back,deleted 3rd cat w/ custom Y-pipe, custom 3" intake tube, K&N, 180º tstat, new lifters, eibach pro-kit, kyb's, 9mmFRPP wires, Autolite DP'sgapped at .060, 17*9 cobra r's, f255/45/17 -r275/40/17 hankook sport veloce's, 1800 watt pioneer premier system and more to come...
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post #2 of 4 (permalink) Old 03-23-2004, 11:16 AM
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Airlift bags with 10 or 15 psi in them should fix you up. Even with 255s all around on my 95, it needs a bit of air in the bags to keep the fenders off the tires over big bumps.

cheers,
Ed Nicholson
SCCoO

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post #3 of 4 (permalink) Old 03-23-2004, 06:04 PM
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my 255's rub on the rear too. I have had two sets of 255's on different wheels, both rubbed. I rolled my lips, and one still rubs. I have absolutely no idea how anyone runs 275's.

Former owner of 94 Bird with DOHC 4.6L swapped from a mark VIII

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post #4 of 4 (permalink) Old 03-24-2004, 04:43 PM Thread Starter
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looks like we wont need airbags....just spent the day rolling the fender lips...i used a DeWalt powersaw to cut in at every 3 inches....hammered em in..holding a towel on the fender lip to make sure i dont accidentalle scratch the lip and it came out pretty damn good....Looks like i didnt need to take it to a body shop after all...

Just as a test to make sure there is no rub...i went over a 15 mph speed bump at 35 and you guessed it...no rub...to make sure it wont happen at faster speeds i went 120 on the GCP where there are no bumps however there are several smoothe hills that give the car a little up down feeling...and still no rub...

so it looks like good to go...

might just do the airbags anyway for drag purposes..

Mark T/C, Fordchip, Flowmaster cat back,deleted 3rd cat w/ custom Y-pipe, custom 3" intake tube, K&N, 180º tstat, new lifters, eibach pro-kit, kyb's, 9mmFRPP wires, Autolite DP'sgapped at .060, 17*9 cobra r's, f255/45/17 -r275/40/17 hankook sport veloce's, 1800 watt pioneer premier system and more to come...
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