shocks

Discussion in 'Drag Racing' started by robtech, Nov 30, 2007.

  1. robtech

    robtech has a bellybutton

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    im still learning a lot so this may be a real dumb question...

    i see drag shocks advertises and 70/30, 90/10 etc...im pretty sure it has to do with the valving but can someone explain this to me and why ones better than the other etc...because as i build my suspension i'd like to understand whay im doing certain things not just cuz everyone on the forum said to...this is the first car im building for drag, everything else i've built has been for flat out cornering (or just to ride nice and look really cool like my 51 chevy taildragger)
     
  2. Old Guy

    Old Guy Member

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    90/10 means there is 10% resistance on the upward stroke and 90% on the downward. This helps hold the front end up longer and transfer weight to the rear, on launch. Fine tuning for different tracks and other situations, may require less or more resistance in one direction, than 90/10, ie, 70/30 etc. Can use the same type on the rear if applicable, only would be like 30/70 or the std. 50/50 that most stock shocks are. 90/10's are definately not used for street use, for obvious reasons.
     
  3. scooper77515

    scooper77515 No current projects.

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    But if your car is like mine and the front wheels come off the ground immediately upon takeoff, this all won't matter:rofl2:
     
  4. Hawkco

    Hawkco Genuine Car Nut

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    Scoop, you got any statistics on your lifting the front wheels off the ground, such as how often it does it on days you've been into the boxed wine and on those days, how many times have you started off before removing the jack?:hmmm:

    Love ya, man. Just gotta keep ya humble. (y)
     
    Last edited: Nov 30, 2007
  5. wagesofsin

    wagesofsin Official Lurkologist

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    AHAHAHAHAHA...gettem terry.
     
  6. scooper77515

    scooper77515 No current projects.

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    My front wheels have been off the ground for about 3 weeks now...wheel dollies help ALOT!!!:thumbs2:
     
  7. robtech

    robtech has a bellybutton

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    thanks! much appreciated!! so a 90/10 will help with the weight transfer from the launch...and the 90% resistance on the downstroke helps soften the landing when my wheels touch the ground again. makes sense
     
  8. robtech

    robtech has a bellybutton

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    what brand shocks would you guys recommend?
     
  9. don graham

    don graham MCG State Rep

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    i use the competition engineering 3 way adjustable ones available in the summit catalog on the front. pretty much stock ones on the rear.:)
     

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