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Power-Weight Ratio, Is it important to Drag racing?

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Old 09-27-2004, 08:39 AM
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Default Power-Weight Ratio, Is it important to Drag racing?

I was curious, and I have been doing some research, and I know that Power-Weight ratio make's a big difference in road type racing. But I was curious to know how/if it makes a difference in the Drag Racing world?


Also one more question, how do you calculate Power-Weight Ratio?
Old 09-27-2004, 08:44 AM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (GumballNA)

Uhhhhmm yeah!!! weight is very important the lighter the car the easier it is for the motor on the top end where it really counts!!! Launching it is a whole different story!
Old 09-27-2004, 08:46 AM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (bluebird)

why is launching it a whole different story? lighter cars launch better.
Old 09-27-2004, 09:02 AM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (GumballNA)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GumballNA &raquo;</TD></TR><TR><TD CLASS="quote">Also one more question, how do you calculate Power-Weight Ratio?</TD></TR></TABLE>Just divide the weight of the car by the power produced. This used to be a very important number when matching up/racing various brands of pure stock cars for drag racing.
Old 09-27-2004, 01:20 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (earl)

I know the lighter the car the better.... that I do know.


But I wasn't sure if anything else had to be factored in.

Earl, what would the Ideal P-W Ratio be? if there is such a thing.
Old 09-27-2004, 01:33 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (GumballNA)

I would say it is one of the most important things in building a drag car.
Old 09-27-2004, 05:49 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (H22uner)

putting things like track conditions, traction, and driver skill aside.........power to weight ratio IS drag racing
Old 09-27-2004, 07:28 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (JSpin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JSpin &raquo;</TD></TR><TR><TD CLASS="quote">putting things like track conditions, traction, and driver skill aside.........power to weight ratio IS drag racing</TD></TR></TABLE>

good enough answer for me...
Old 09-27-2004, 08:49 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (GumballNA)

maybe this will put it in a different perspective.
92 hatch, street car, 1980lbs w/o driver 12.6@107 1.8? 60'
same car, drag, slightly under 1700lbs w/o driver 12.0@109 1.6? 60'
same motor, same slicks etc.
Old 09-27-2004, 08:55 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (1 2 NV)

OK...... I understand that the lighter the car the better... I UNDERSTAND that.. COMPLETELY!(not yelling)

In fact my car has been gutted for some-time now... and I droped times... so I know that.

Maybe I am not making sense or whatever...

But I thought the Power-Weight ratio had to do alot with the "balance" of the car, to which I was curious if the balance of the car made a difference...

But thank you all for your response's.
Old 09-27-2004, 09:01 PM
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Default Re: Power-Weight Ratio, Is it important to Drag racing? (GumballNA)

There is such a thing as having weight in the right places but more times then not no weight is better then weight in the right places.
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