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Old 08-25-2013, 05:03 PM   #1
BairdGT
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Default How much does 60' effect ET??

I've search and have come across oh I dunno countless arguments on how the 60' effects your ET.

I have read anywhere from for every 0.01 you drop your 60' you will drop your ET to for every 0.01 you drop your 60' you will drop 0.03 on your ET... Then I have read it's different for FI vs NA and Street vs DR/Slicks.. I've even read that altitude effects it and manual vs auto also have different rules to it's effect.

Is there a typical rule of thumb for how dropping your 60' will drop your ET

Example:
2013 Mustang GT 6spd
Average DA is 3200-3400ft
Average 60' 2.104 (best) to 2.114
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Old 08-25-2013, 05:09 PM   #2
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No it depends more on how much power your car is making. But cutting your sixty is always a good thing.
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Old 08-25-2013, 05:10 PM   #3
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what' i've always gone by was .1 from you 60 will take .2 away from the et.
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Old 08-25-2013, 05:16 PM   #4
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I've checked multiple runs on my car and compared 60' to ET. It comes out to 1.75 tenths per one tenth off the 60' like clockwork. I think its safe to assume a 1.5 to 2 tenth drop in ET for every tenth off the 60. Drag ETs and 60s go hand in hand.
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Old 08-25-2013, 06:40 PM   #5
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Quote:
Originally Posted by Stone629 View Post
I've checked multiple runs on my car and compared 60' to ET. It comes out to 1.75 tenths per one tenth off the 60' like clockwork. I think its safe to assume a 1.5 to 2 tenth drop in ET for every tenth off the 60. Drag ETs and 60s go hand in hand.
QFT, power being the biggest factor.
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Old 08-25-2013, 07:55 PM   #6
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Depends on power of the car for sure.
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Old 08-26-2013, 12:36 PM   #7
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in my 2007 and 2012 automatics the 60ft time differences directly matched changes in ET. but we are talking about 2.0 vs 2.2 I believe was my worst.. I can't remember what I got on my 60ft last time I went out.. (I need a torque converter)

With the power you are putting down you really need some Drag radials. I saw a huge difference with my street tires vs my M&H drag radials. it was spin city with the stock all season tires.
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Old 08-26-2013, 02:25 PM   #8
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I prefer to look at it like this:

60' is everything.

After your car is effectively already 'going' meaning has traction, everything to the end of the track is simply shifting hard and fast *or if an auto, hanging on for the ride*.

The launch is the biggest variable in a run.

Launch great, get a great ET...launch like crap and run a crap time.
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Old 08-26-2013, 06:27 PM   #9
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I have always heard for every tenth off the 60ft it will result in a tenth-and-a-half reduction in ET. Always rang pretty true for my car.

Regardless, 60ft is usually where the race is won or lost.
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Old 09-09-2013, 10:53 PM   #10
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its huge assuming you don't screw up on the top end
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Old 09-09-2013, 10:53 PM
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