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Author Topic:   4 bar/ z link help
turnkey35
Dirt Roller

Total posts: 8
posted July 18, 2004 09:02 AM  
Heres the deal we seem to lack forward bite.
We run a pro chassis converted to 4link/z. We have made the mains all season but cant seem to get bite coming off the corners. We run a 1/3 mile high bank that goes dry/slick by feature time.Last nite driver broke tires loose half way down the strait, turned 7800.Heres our setup
LF 750spr carrera 75 shock
RF 850 spr 75 shock
LR 200 spr 95 shock
on the birdcage behind
Bar angles Top 20 deg
Bot 0 deg
RR225 spr 94 shock
Spring on swingarm
Bar angle 15 deg
1050 pullbar sping
we switched to 800 for feature
We have a prog pullbar spring 400 /1200 would that help?
The car is good otherwise just cant seem to get bite. Somebody plz help we are at a loss here. Any suggestions r greatly appreciated

mod70
unregistered Total posts: 8
posted July 18, 2004 09:36 AM           send a private message to turnkey35   Edit/Delete Message   Reply w/QuoteBBBBBB
3 Questions: is the rearend square, how much rear %, and how much rear split?

turnkey35
Dirt Roller

Total posts: 8
posted July 18, 2004 02:32 PM  
Rearend is back 1/4 rt side cuz we had throttle push. Seemed to cure that. Rear split 125 with driver in car. Rear 58.6 %

WPP
Dirt Freak

Total posts: 451
posted July 18, 2004 03:33 PM  
Running the spring on the right rear on the swingarm would make you loose in but you should be tight off the corner to tighten the car up on entry raise you spring rate on the right rear to a 275 that should tighten the car getting in . It could be your so loose getting in now that it is makeing you loose all the way through the corner you may need to go stiffer than that just fix the entry first.

mod70
unregistered Total posts: 451
posted July 18, 2004 10:45 PM           send a private message to WPP   Edit/Delete Message   Reply w/QuoteBBBBBB
If that don't work set bar to 20 deg & go 93/5 RR. (pan bar)

[This message has been edited by mod70 (edited July 18, 2004).]

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