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Old 10-24-2003, 10:13 PM   #1
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how to convert 1/8 time to 1/4 time

How do you convert your 1/8 mile time and speed to 1/4 mile time and speed?


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Old 10-24-2003, 10:16 PM   #2
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Multiply 1/8 * 2
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Old 10-24-2003, 11:02 PM   #3
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you can't acuratly. Your going to have to spring for a 1/4 mile run. There are to many variables. You might have a car that does 13 sec. at 100 mph and a car that does a 13.5 sec. at 110. It is very car dependent and driver dependent
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Old 10-29-2003, 08:49 PM   #4
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or u can do like a 15.8 at 90 and someone can do a 16 at 92
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Old 10-29-2003, 08:58 PM   #5
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multiplying your 1/8 by 2 would only work if you stayed at a constant speed, which is the total opposite of what you want to do, you want to accelerate =0.
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Old 11-01-2003, 07:36 PM   #6
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There are 1/8mile to 1/4mile tables out there on the net, you just gotta search for them.
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Old 11-08-2003, 11:04 PM   #7
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There are 1/8mile to 1/4mile tables out there on the net, you just gotta search for them.

and they aren't accruate.. read above statements
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Old 11-10-2003, 10:32 AM   #8
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It is pretty darn accurate if you do this:

Multiply by 1.53 to go from 1/8 to 1/4, and divide by 1.53 to go from 1/4 to 1/8

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Old 11-10-2003, 01:29 PM   #9
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Quote:
Originally posted by zx3matt
It is pretty darn accurate if you do this:

Multiply by 1.53 to go from 1/8 to 1/4, and divide by 1.53 to go from 1/4 to 1/8

For me, that usually gives a number .2-.3 quicker than what I ran. 1.55 fits my car better.
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Old 11-10-2003, 02:26 PM   #10
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Quote:
Originally posted by Egz
For me, that usually gives a number .2-.3 quicker than what I ran. 1.55 fits my car better.
Yea, sometimes you can juggle that figure around a littl, but from my experience, 1.53 works in most cases. I guess ifyou can run your car at a 1/4 mile track a couple of times so you can record both 1/8 and 1/4 times you can see what variable works best for you.
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