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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > Drag racing setup



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      10-17-2018, 06:09 PM   #1
Silent11N54
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Drag racing setup

im starting to look into getting a dedicated set of wheels and tires for the drag strip

i cut a 1.85 60 foot a couple times with 275/30/19 michelin ps4s but most of the time 60foots are around 2.0+

if i went with lightweight 17s and something like mickey thompsons ET street SS 275/40/17 with an automatic what should my 60foots be ?

any other tire recommendations ???

dynoed at 441 whp 535wtq and ran 11.9 a few times

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      10-19-2018, 06:22 PM   #2
biz77
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I would look at M&H racemasters. I could cut 1.5x 60' in my CTS-V with them. Doubt you'll see that in a E9X without suspension work, but I would expect sub 1.7's just by going to a 17" wheel and the racemasters.
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      10-22-2018, 07:27 AM   #3
bbnks2
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One of the big issue will be wheel hop. Going to need some good dampers that allow for MORE travel then stock. In stock form, the car basically sits on the spring helpers and then bangs off them since stock rebound is so weak. BMW forums are not the right place to go for how to setup a drag car. Look around at what people are doing on other platforms with similar suspension setups (5-link, divorced spring, etc).
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      10-24-2018, 02:02 PM   #4
Silent11N54
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Quote:
Originally Posted by bbnks2 View Post
One of the big issue will be wheel hop. Going to need some good dampers that allow for MORE travel then stock. In stock form, the car basically sits on the spring helpers and then bangs off them since stock rebound is so weak. BMW forums are not the right place to go for how to setup a drag car. Look around at what people are doing on other platforms with similar suspension setups (5-link, divorced spring, etc).
i had around 15-20 passes this season and ZERO wheel hop... is wheel hop more pronounced in manual transmissions or is it increased when you switch to a drag radial ?? i have stock suspension in the back so it allows for some travel and squat

Last edited by Silent11N54; 10-24-2018 at 06:06 PM..
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      10-25-2018, 07:55 AM   #5
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Quote:
Originally Posted by shanker604 View Post
i had around 15-20 passes this season and ZERO wheel hop... is wheel hop more pronounced in manual transmissions or is it increased when you switch to a drag radial ?? i have stock suspension in the back so it allows for some travel and squat
It becomes more of an issue as you start to run some real sticky tires. PS4's are 320tw "summer" tires. Even a 200TW summer tire will be a huge step up in grip.
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