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Old 10-09-2020, 06:33 PM   #1
Dissident
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Default Re: Front tire pressure/Reaction time

Staggering the wheelbase left to right is an easy way. So is choosing larger diameter front wheel/tire combinations. Some cars can also be creatively manipulated with the front suspension (extension) on launch.
When you tech in, if wheelbase left to right is measured, it is with the vehicle in a static condition. Of course check the rulebook to see the allowable tolerance on the wheelbase one side vs the other.


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Old 10-09-2020, 06:56 PM   #2
Hacksaw
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Default Re: Front tire pressure/Reaction time

The wheelbase can be + or - 1" of the factory spec. The max. diff in stagger is 3/4".
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Old 10-09-2020, 09:03 PM   #3
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Default Re: Front tire pressure/Reaction time

here is an example : my lights where terrible in the first part of the double header @ epping divisional and went out first round because of it ,, made a whole sale change with tire pressure fronts and back (up the pressure) i had some very consistent light's from time trials to when i went in third round in the sports nationals .035-.019 ,, the .019 was against buba linke and resulted in a double breakout .002 mov for buba
just my 2 cents
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Old 10-09-2020, 10:26 PM   #4
e vassar
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Default Re: Front tire pressure/Reaction time

I see a lot of racers checking and maybe adjusting front tire pressure in the staging lanes.
I wished I was consistent enough on the bottom bulb to adjust my RT,s with 4-5 lbs of front tire pressure. I set mine to about 38lbs at the beginning of the day and forget about it
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Old 10-09-2020, 11:07 PM   #5
Stewart Way
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Default Re: Front tire pressure/Reaction time

Hacksaw. Think the rule is the opposite. +-3/4 with max variation 1" side to side.
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Old 10-13-2020, 04:50 PM   #6
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Default Re: Front tire pressure/Reaction time

Quote:
Originally Posted by Stewart Way View Post
Hacksaw. Think the rule is the opposite. +-3/4 with max variation 1" side to side.
You Sir, are 100% correct.
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Old 10-13-2020, 05:04 PM   #7
Ed Wright
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Default Re: Front tire pressure/Reaction time

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Originally Posted by Stewart Way View Post
Hacksaw. Think the rule is the opposite. +-3/4 with max variation 1" side to side.
Tech guy told me one inch side-to-side. I use 3/4 inch. Been checked a couple of times.
And pressure effected my foot brake cars more than the trans brake car. Testing would be required to determine how much, IMHO.
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