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help with tire shake hoosiers

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Old Feb 26, 2009 | 12:30 AM
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From: plano
Default help with tire shake hoosiers

hey ok so just put on the 335s and at speeds over like 65 the car shakes bad... like a tire out of round... wtf these are brand new.. anyone every had this happen? and what pressure should i run them at?
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Old Feb 26, 2009 | 12:48 AM
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I forget the term, but basically the sidewall on the Hoosiers is really soft so it can get deformed at high speeds or in a sharp corner.
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Old Feb 26, 2009 | 04:51 AM
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double check balance?
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Old Feb 26, 2009 | 06:41 AM
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M/T @ 70 always had a vibration, so does my nittos but its FAR less, Hoosiers and M?T have a less stiff side wall to help cars leave harder due to the hit it sees off the line but here is the part you give up.
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Old Feb 26, 2009 | 08:22 AM
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From: plano
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i have road forced the tires 2 times... they balance out but damn it shakes HARD... hell my slicks dont shake this bad...
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Old Feb 26, 2009 | 11:40 AM
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From: Gainesville, Florida # of drag strips runs: ?!?!?
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Sure there is no other possibility (example, have you run another pair of rims/tires on the back and not had the vibration)?

My M/T slicks will vibrate a little bit, but my M/T drag radials are smooth all the way to 133 mph.

Derek
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Old Feb 26, 2009 | 07:08 PM
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From: Baxter,KY.
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I have the 335 Hoosiers DR and dont have any vibration at any speed , Have the tires rebalanced, I seen tire machine out of calibration and never get the tire balanced right.
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Old Feb 26, 2009 | 11:23 PM
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From: plano
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well if all goes well i think i found my problem.......... its hooking sooooooo good.... and because i am a dumbass and used a light amount of tire lube on the beads....... its spinning the tire on the rim wooo hooo...... now i need a stock motor.... haha j.k pulled the tires back off cleaned the bead surface with brake cleaner tire/rim.. and sprayed them with permatex HIGH TAC gasket adhesive... re installed them and seated the beads and road forced them again... and filled them up to 32 psi to force the beads together... and will drop them back to 22 and go test drive... and will post up friday with results..
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Old Feb 26, 2009 | 11:27 PM
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That makes sense, that's why your supposed to take it easy for the first 25 miles or so after you get tires mounted.
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Old Feb 26, 2009 | 11:48 PM
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From: plano
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...... i am not to good with the waiting period of breaking stuff in lol..... put in my 408 drove it down the road got heat in it and WOT it went.... never looked back
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