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Old 04-22-2011, 10:22 PM   #1
jaegmeister
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Default People with experience, your thoughts on my wheel tire setup

For Autocross, I just ordered a set of 16x8 48 offset rota slipstreams to go along with some Hoosier Street TD's that I found used. The TD's are supposedly similarly sized to a 245 50, but are labeled in inches or something. I'm not concerned with what class I run in (SM), I just go to have fun. I like the availability and price of 16 inch tires, and the gearing advantage of them as well (given that the tires are not tall). What can I expect from these road race tires at autocross? ($80 a piece, I had to get them...)
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Old 04-22-2011, 11:01 PM   #2
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I don't get why you would buy something and then ask people's thoughts on it. I have no opinion other than you're doing it backwards.
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Old 04-22-2011, 11:25 PM   #3
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They will be better than a street tire, but not as good as their autocross tires which are designed to heat up quickly.

What ever you can do to get heat into them, like dragging your brakes around the paddock before your run, will help. Up your pressures a bit too.
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Old 04-23-2011, 12:01 AM   #4
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Quote:
Originally Posted by delongedoug View Post
I don't get why you would buy something and then ask people's thoughts on it. I have no opinion other than you're doing it backwards.
I am not out to win anything, just to have fun like I said. I have no stake in my class, I'm, agreed doing it backwards, I don't care. I know you hate that, but just let me get some feedback. What are these tires going to feel like? what are they going to feel like compared to A6's that I've run before... Just throwin' it out there. I can have cheap race tires/wheels, and have fun, and maybe spank you, so what do you think? that's all jk. So thanks for "not having an opinion", and not answering my question.
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Old 04-23-2011, 12:35 AM   #5
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Originally Posted by barkerdm86 View Post
They will be better than a street tire, but not as good as their autocross tires which are designed to heat up quickly.

What ever you can do to get heat into them, like dragging your brakes around the paddock before your run, will help. Up your pressures a bit too.
Better than my Direzza's on 17's? Yes that was what I was hoping for. They were a lot cheaper than the Dunlops! And, WAY more of a tire.
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Old 04-23-2011, 12:47 AM   #6
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There are more tires available if you get 17" or 18" wheels. For track or auto-x that is a better set up.
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Old 04-25-2011, 10:23 AM   #7
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16" are a waste of time and money unless you are running in stock and you have to run that size.

18x10s with 285s is the way to go. That is, if you want to be competitive. If you are just there to have fun, then it really doesn't matter what you run.
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Old 04-25-2011, 11:32 AM   #8
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Even with the gearing of the stock 5MT?
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Old 04-25-2011, 11:41 AM   #9
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The tires are shorter than 275/17s, and you can actually find 18x10s (whereas there are no off the shelf 17x10s in 5x100). Used tires are easy to find. And any weight disadvantage it *might* have vs the 16s is easily offset by massive amounts of increased grip.

If you are looking for really short tires to help with the gearing, you could get 275/15s, but you'd have to run smaller brakes (from an 02 I believe).
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Old 04-25-2011, 01:10 PM   #10
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Yes, that makes sense about the grip making the most advantage in autocross as opposed to gearing or HP... Supposedly the tires I bought are 24" + diameter, and almost 10 inches wide. I wonder how they will compare geometrically and grip-wise to 285 18's. Like I said they are sized in inches, I believe.
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Old 04-25-2011, 01:13 PM   #11
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Are you sure your tires are legal for SM? Most tires sized in inches aren't DOT approved.
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