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Author Topic:   Hoping Again
Dirt Full Roller

Total posts: 48
posted July 14, 2004 07:50 PM  
Every so often the back of our gets into bouncing or hoping and does this down the straights.
Any help or suggestions?
Car is a 4bar Zlink.
Bob Pierce 2004
Could it be the rear shocks heating up?
Could it be the driver getting on the gas earlier and then it climbs on the bars faster and runs out of travel?
When it doesn't bounce the car is a front runner.

Dirt Maniac

Total posts: 128
posted July 14, 2004 08:29 PM  
It could be the axle tube hitting the underslung bar, or the shocks are bottomed out. I would make sure that your ride heights are correct. I know a few guys that had their ride heights too high, and it would wheel hop down the straights due to the axle tube hitting the underslung bars.

Dirt Forum Champ
Total posts: 1261
posted July 14, 2004 09:00 PM  
I have had something close ....but they said i looked like a bobble head!!!!! It was from pinning the rear to the underslung and then it would ride on the chassis using only the air in the rear was it a pain to drive!! I would look at taking some angle out of the pullbar or a stiffer spring so it wont bottom out and be solid...just a guess...

Dirt Freak

Total posts: 270
posted July 15, 2004 08:19 AM  
Drop your LR upper link a hole at a time until it lifts smoothly.The car is lifting too hard (or quick) and you are either on the frame or the end of the shock travel so your tire ends up being your suspension.(The old slide hammer action).Everything needs to work smoothly to be fast.

Dirt Forum Champ
Total posts: 755
posted July 15, 2004 01:45 PM  
you've probably got a rabbit on board somewhere.

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