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Forgetting to lower pressure on the DRs at the strip = carnage

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Old Jun 19, 2009 | 11:13 AM
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Default Forgetting to lower pressure on the DRs at the strip = carnage

I decided to run my 18in DRs (the tires I run on the street) at the track last weekend and forgot to lower the pressure. They were set to 35 cold and probably around 40 when I launched the car after a good burnout. As soon as I launched I got massive wheel hop and didn't even have a chance to get out of it before I heard a grinding noise and the car would barely move.

Turns out the stock inner CV joint on the DSS Level 2 axles doesn't like wheel hop...they had been fantastic for the last 3 years until this incident.


Watch out for wheel hop guys...it will break even upgraded stuff VERY quickly.
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Old Jun 19, 2009 | 11:15 AM
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similar thing happened to me. i did remember to lower tire pressure but not enough. took it from 35psi to 30. should have taken them down to 22 or so. wheel hopped, got out of it, got on it and now as some of you guys have read, i get a grinding sound from the clutch. at a stand still in neutral i still get a grind when i press and depress the clutch. weird. wheel hop ftl!
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Old Jun 19, 2009 | 11:21 AM
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Wheel hop will break ANYTHING...upgraded or not......could be made from god's johnson, wheelhop will destroy it.

tom
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Old Jun 19, 2009 | 11:27 AM
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damn I get wheel hop even on my stock setup.. and especially going from 1st - 2nd gear... my wheel hop is crazy.. what can I do to prevent this?
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Old Jun 19, 2009 | 11:37 AM
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Originally Posted by thom000001
Wheel hop will break ANYTHING...upgraded or not......could be made from god's johnson, wheelhop will destroy it.

tom
Exactly...that's why I posted this thread
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Old Jun 19, 2009 | 12:01 PM
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prevent: dont spin your tires

Originally Posted by Vas@Extended
damn I get wheel hop even on my stock setup.. and especially going from 1st - 2nd gear... my wheel hop is crazy.. what can I do to prevent this?
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Old Jun 19, 2009 | 12:16 PM
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wowww even with the level 2 axles.......thats why i am gonna change my MT DRAG RADIALS to SLICKS next time i hit the track to prevent wheel hop and anything breaking
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Old Jun 19, 2009 | 12:30 PM
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Originally Posted by Rafa
wowww even with the level 2 axles.......thats why i am gonna change my MT DRAG RADIALS to SLICKS next time i hit the track to prevent wheel hop and anything breaking
Going with slicks is good, but I have seen many Z's go down the track on MT D/R's with no problems. Did see a few that did have hop though.
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Old Jun 19, 2009 | 12:45 PM
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Brian just doesn't know how to drive...
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Old Jun 19, 2009 | 12:53 PM
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Originally Posted by SH Luciano
Brian just doesn't know how to drive...
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Old Jun 19, 2009 | 12:55 PM
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Originally Posted by Rafa
wowww even with the level 2 axles.......thats why i am gonna change my MT DRAG RADIALS to SLICKS next time i hit the track to prevent wheel hop and anything breaking
Drag radials are fine as long as you drop the pressure in them to allow the sidewalls to flex. 40psi didn't let my sidewalls flex at all and that's why I got massive wheel hop. I probably have 20 passes on 18in DRs in the past with less pressure and I never had an issue.
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Old Jun 19, 2009 | 12:56 PM
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Originally Posted by BriGuyMax
shouldn't you be directing air traffic over illinois and not playing on the internet right now?
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Old Jun 19, 2009 | 01:12 PM
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Brian,
What track were you at?

tom

Originally Posted by BriGuyMax
Drag radials are fine as long as you drop the pressure in them to allow the sidewalls to flex. 40psi didn't let my sidewalls flex at all and that's why I got massive wheel hop. I probably have 20 passes on 18in DRs in the past with less pressure and I never had an issue.
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Old Jun 19, 2009 | 01:13 PM
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RT 41 in Indiana
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Old Jun 19, 2009 | 01:22 PM
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Originally Posted by SH Luciano
RT 41 in Indiana
He didn't ask you
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Old Jun 19, 2009 | 01:32 PM
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I was there a few weeks ago...any spin at it hopped too on my DR's.

I need to just man up though and launch it

tom

Originally Posted by BriGuyMax
He didn't ask you
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Old Jun 19, 2009 | 02:10 PM
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Originally Posted by BriGuyMax
He didn't ask you
you're just jealous your car will be slower than mine next year

don't worry, i'll let you take the hit...
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Old Jun 19, 2009 | 03:31 PM
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Originally Posted by SH Luciano
you're just jealous your car will be slower than mine next year

don't worry, i'll let you take the hit...
Blah blah blah....I'll be ready for you...
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Old Jun 20, 2009 | 04:17 AM
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Thanks for the knowledge...I didn't realize lowering the pressure was so important!
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Old Jun 20, 2009 | 06:21 AM
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Originally Posted by Vas@Extended
... my wheel hop is crazy.. what can I do to prevent this?
wheel hop is usually cuased by a binding suspension. it binds when releases, binds, then releases, etcetera.

the best way tp stop it is to change out all of your soft suspension bushings for either harder urethane, or , best choice, is to use ball ends (heim joints). ....in some cases, solid bushings may be needed too.
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