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Author Topic: Drag Radial and ET Street Questions  (Read 5009 times)

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Offline Scoobum

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Drag Radial and ET Street Questions
« on: April 05 2014, 09:21:20 AM »
I have a pair of MT 245/50/16 DR's and a pair of MT 245/50/16 ET Street bias plys. What tire pressure would you guys recommend for the track...as I've never run the 16's before. Both sets are mounted on TTA rims.
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Offline Steve Wood

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Re: Drag Radial and ET Street Questions
« Reply #1 on: April 05 2014, 10:03:11 AM »
being skinny, I would suggest about 24 psi as the starting spot and check the patches as you would normally do on some cleaner pavement to see which way you might need to to from there
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Offline larrym

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Re: Drag Radial and ET Street Questions
« Reply #2 on: April 05 2014, 01:38:38 PM »
ok how do normally check the patchs? dark in the middle to much pressure?
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Offline daveismissing

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Re: Drag Radial and ET Street Questions
« Reply #3 on: April 05 2014, 02:18:25 PM »
Grab an extension cord, bring your computer and scanner out to the driveway, make a small ramp, drive up onto your scanner bed.....
 :chin:
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Offline larrym

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Re: Drag Radial and ET Street Questions
« Reply #4 on: April 05 2014, 03:00:39 PM »
I love google,


under-inflated tire will show dark edges and a light center indicating that the tire is cupping.

Read more: http://www.hotrod.com/techarticles/general/drag_slick_tire_tech/#ixzz2y2Xof8G3
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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline Steve Wood

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Re: Drag Radial and ET Street Questions
« Reply #5 on: April 05 2014, 03:28:01 PM »
Drag racing 101  :)

Steve

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Offline deathraider6996

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Re: Drag Radial and ET Street Questions
« Reply #6 on: April 06 2014, 01:37:51 AM »
Steve swears by the burn out test. ;)
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Offline Steve Wood

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Re: Drag Radial and ET Street Questions
« Reply #7 on: April 06 2014, 09:47:07 AM »
that may be a bit strong.  :)

It may not be as precise for radial tires but it gives you a starting place and a guide for which way to go.  Once in the ball park, it would pay to experiment and let the clocks tell you what is best
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Offline Scoobum

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Re: Drag Radial and ET Street Questions
« Reply #8 on: April 06 2014, 02:22:34 PM »
Steve, I'd have a go at what you've suggested...an d it's sound advice...but if you get nailed up here doing something like that...you quite literally get charged with racing...and get your car impounded. That's why I'm asking for a track pressure to start out at.
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Offline Just a Six?

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Re: Drag Radial and ET Street Questions
« Reply #9 on: April 06 2014, 04:48:01 PM »
Just do it on the return road or similar on track property. You won't be the first or last to use that trick.
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Offline larrym

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Re: Drag Radial and ET Street Questions
« Reply #10 on: April 06 2014, 04:48:25 PM »
racing or stunting either the wack you
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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline trashmechlv

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Re: Drag Radial and ET Street Questions
« Reply #11 on: April 06 2014, 07:09:52 PM »
Scoobum are you going away from the Hoosier drag radials? I remember you mention in the past you were using a set. What range of air psi did you run those at?
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Offline Scoobum

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Re: Drag Radial and ET Street Questions
« Reply #12 on: April 06 2014, 08:19:30 PM »
Quote from: trashmechlv on April 06 2014, 07:09:52 PM
Scoobum are you going away from the Hoosier drag radials? I remember you mention in the past you were using a set. What range of air psi did you run those at?

I just bolted 'em on today...with the new Billet Specialties rims.
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Hard work pays off, dreams come true. Bad times don't last, but BAD GUYS do!

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