GT Performance Mods 2005+ Mustang GT Performance and Technical Information

autocross

Old Dec 8, 2006 | 06:30 PM
  #1  
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autocross

any other autocrossers around here? F/S needs more cars!
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Old Dec 8, 2006 | 07:13 PM
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I never have, but would like to try. I am in Santa Barbara.
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Old Dec 9, 2006 | 12:07 AM
  #3  
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unfortunately you would be screwed. You can go to practice events and have fun, but with all your mods if you competed you would be put in a ridiculous class and get whooped
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Old Dec 9, 2006 | 10:42 AM
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that sucks.
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Old Dec 9, 2006 | 01:09 PM
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From: Houston
I'm new to autocross, buy why would he be put in such a higher class. He's not supercharged, so its not like he's making a ridiculous amount of horsepower?
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Old Dec 9, 2006 | 02:27 PM
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What defines the classes? They should have a dyno there to dyno the cars and determine the class...
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Old Dec 9, 2006 | 07:20 PM
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Originally Posted by Bennyandthejets
I'm new to autocross, buy why would he be put in such a higher class. He's not supercharged, so its not like he's making a ridiculous amount of horsepower?
for real.

I doubt my mods would make me THAT much better. Plus the fact that I have never done it before.
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Old Dec 9, 2006 | 10:00 PM
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I skipped FS with my 05 and went to ESP. Horsepower doesn't always make you faster. Knowing how to drive does. Year, make, model and modifications determine your category and class. Most regions/clubs allow "fun runs" where you do not accumulate points, so you could run in any class. Unless you are on race tires, you would be lumped into a street tire or street touring class anyway.
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Old Dec 10, 2006 | 07:28 AM
  #9  
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Originally Posted by lmunz22
What defines the classes?
Performance and type of car. FS has been the home for American V8s pony cars for quite a while.

To stay in stock class the only modifications allowed are basically:

change front swaybar only
any shock with up to two external adjustments but the spring perch must be at the stock location (stock springs)
any DOT approved tire (R-compounds preferred) that that will fit on a stock sized wheel (same width/diameter/offset +/-.25in.)
Any brake pad (not really necessary as the runs are usually about 60 sec and the brakes don't have a chance to overheat and fade)

No mods to engine except a drop in filter for the stock airbox and no flashing ECUs.

Ooops, missed something. You are allowed to change/modify the exhaust system (cat back) to what every you want as long as it meets the noise requirements.
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Old Dec 10, 2006 | 11:01 AM
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well, i guess that rules me out of the stock class haha
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Old Dec 10, 2006 | 12:16 PM
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Originally Posted by emperorjordan
well, i guess that rules me out of the stock class haha
Yep, the gears alone put you into street modified. Don't let it stop you though, just do fun runs in the street tire class.
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