How low can u go with stock BFG's? - Mustang Evolution

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Old 09-28-2006, 09:42 PM   #1
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How low can u go with stock BFG's?

I was wondering how low you can set your psi on the stock bfg's before it has a negative affect? I was at the track last week and i had them at 26 and these two older men come up to me and ask what I had them at. I told them and they were saying to bring them all the way down to 15psi!? That seems a little low lol I brought them down to 24 and filled my tank up just a little bit under half and ran a 14.31 at 99mph!! 60 was 2.29 My best yet for the stock tires!!

I just wanted opinions, can I go lower than 24psi?
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Old 09-29-2006, 01:38 PM   #2
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Re: How low can u go with stock BFG's?

yeah you can go lower just remmeber its a test and tune set up you might be best at a higher or lower psi just give em a try and see
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Old 09-29-2006, 01:42 PM   #3
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Re: How low can u go with stock BFG's?

You can go down into the teens. The key is to mark your tire and rim so you can tell if you start spining the rim. You want to be low psi but not spin the rim. It has been recommended many times on a number of forums to go down to the 16-18psi range on drag radials when at the track. I run my nittos at about 18psi when I go to the track and about 26psi on the street.
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Old 09-29-2006, 02:41 PM   #4
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Re: How low can u go with stock BFG's?

With drag radials, I go a lot lower than with street tires. I run 12-14 with drag radials. With street tires I only go down to about 20 psi.
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Old 09-29-2006, 03:17 PM   #5
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Re: How low can u go with stock BFG's?

I wouldn't go lower than 20 PSI personally.. that's what I've heard and what I've had best times with ... with regular street tires there's a point where you lose more ET than you make up for in off the line traction..
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Old 09-29-2006, 03:32 PM   #6
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Re: How low can u go with stock BFG's?

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Originally Posted by MonteCitan View Post
I wouldn't go lower than 20 PSI personally.. that's what I've heard and what I've had best times with ... with regular street tires there's a point where you lose more ET than you make up for in off the line traction..
With street tires, I agree. If he is running drag radials, teens are a better choice.
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Old 09-29-2006, 03:39 PM   #7
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Re: How low can u go with stock BFG's?

I normally ran my 16's (225/55/16's) at about 22, haven't gotten the balls to run the 18's yet, too expensive, I'm sure I'll start experimenting here soon though.
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Old 09-29-2006, 04:07 PM   #8
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Re: How low can u go with stock BFG's?

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Originally Posted by Smurfin View Post
With street tires, I agree. If he is running drag radials, teens are a better choice.

Yeah, I run 14 PSI in my drag radials for best launches 16 works okay too..
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