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ET difference from Trans Am and Formula hatch

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Old 02-04-2009, 12:47 PM
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Default ET difference from Trans Am and Formula hatch
One is flat the other is raised, anyone have a rought guess if any of an ET difference between the too. I'm sure there is some, every stock and super stock car I have seen always has the flat wing
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Old 02-04-2009, 05:34 PM
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Start reading this from post #28.

https://ls1tech.com/forums/drag-raci...uessing-2.html
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Old 02-04-2009, 07:08 PM
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Makes me wonder if Joe Overton lowered his hatch for that reson. I wish i could find those old pics of his car. found them GM High tech
Attached Thumbnails ET difference from Trans Am and Formula hatch-jor-overton.jpg  
Last edited by pmbmax; 02-04-2009 at 07:13 PM.
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Old 02-04-2009, 07:46 PM
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1mph, thats not to much
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Old 02-05-2009, 09:02 AM
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Originally Posted by TA1364
1mph, thats not to much
Back in the day a car with a Formula hatch if you swapped between would be faster due to Aerodynamics. Put some speed glass in the formula hatch and watch out!
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Old 02-05-2009, 10:02 AM
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A formula hatch with speedglass is about 45 lbs lighter then a transam hatch with factory glass FYI.

The 45 lbs, and another mph with no added pwer should be close to a tenth. Not alot, but a gain none the less, and one that can be made with very little cost.
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Old 02-05-2009, 12:07 PM
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Originally Posted by JL ws-6
A formula hatch with speedglass is about 45 lbs lighter then a transam hatch with factory glass FYI.

The 45 lbs, and another mph with no added pwer should be close to a tenth. Not alot, but a gain none the less, and one that can be made with very little cost.
Plus TA's look stupid !! Formula For the win!!
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Old 02-05-2009, 01:41 PM
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Originally Posted by sr71bbjr
Plus TA's look stupid !! Formula For the win!!
WERD !!
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Old 02-05-2009, 02:41 PM
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Originally Posted by sr71bbjr
Plus TA's look stupid !! Formula For the win!!
Woah, Woah, lets not get crazy here.
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Old 02-09-2009, 05:51 PM
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Originally Posted by blackscreaminmachine
woah, woah, lets not get crazy here.
l o l !!!
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Old 02-09-2009, 06:31 PM
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ET/mph difference isn't worth it to me. I hate the formula hatch/bumper. It's obviously subjective though.
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Old 02-09-2009, 07:49 PM
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Originally Posted by melchoir
ET/mph difference isn't worth it to me. I hate the formula hatch/bumper. It's obviously subjective though.
I am not sure of the difference but if you have a shock go out you will find out that both are heavy!!

Of course the other main advantage to the Formula hatch is being able to see better if you have roll bar!

I kinda of like the Fromula nose!

N2
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Old 02-09-2009, 08:40 PM
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Originally Posted by N2RACINGLS1's
I am not sure of the difference but if you have a shock go out you will find out that both are heavy!!

Of course the other main advantage to the Formula hatch is being able to see better if you have roll bar!

I kinda of like the Fromula nose!

N2
Amen.
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