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Author Topic:   lr spring clamped in front on dw8 with 4-z
rpm20
Dirt Freak

Total posts: 338
posted April 18, 2005 09:11 AM  
i have my dw set up with a z-4 rear and will be starting testing on sunday with the spring clamped in front on the lr and on top on the rr.
what can i expect and what is the appropriate time to run this as opposed to running the spring on the bc behind as i did last season.

rpm20
Dirt Freak

Total posts: 338
posted April 18, 2005 12:49 PM  
I FIND IT HARD TO BELIEVE THAT ALL THE PEOPLE ON THIS SITE WITH THEIR INFINITE WISDOM,.....HAVE NOTHING TO OFFER ON THIS TOPIC. ANY INFORMATION IS BETTER THAN NONE, COME ON GUYS!!

A&M Motorsports
Dirt Maniac

Total posts: 117
posted April 18, 2005 01:32 PM  
I have mine set up that way also but I have very limited clearance between the J-bar mount and the spring. Is there a secret to gain clearance. I haven't ran it through it's suspension travel in the shop but it's gonna be close.

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Artie Perilloux
A & M Motorsports

rpm20
Dirt Freak

Total posts: 338
posted April 18, 2005 01:44 PM  
YEAH MINE IS CLOSE ALSO, I HAVE MINE ON A COILOVER AND THATS HOW I GET CLEARANCE. NOT MUCH THOUGH. MY UPPER BAR HITS THE SPRING BUT ONLY UNTIL REAR STEER TAKES OVER AND PULLS IT AWAY.

quote:
Originally posted by A&M Motorsports:
I have mine set up that way also but I have very limited clearance between the J-bar mount and the spring. Is there a secret to gain clearance. I haven't ran it through it's suspension travel in the shop but it's gonna be close.



dirtbuster
Dirt Forum Champ
Total posts: 2007
posted April 18, 2005 02:28 PM  
yeah we ran that setup last year and had trouble with the spring rubbing on the panhard bolt. Ours was a DW9 with the jackbolt setup though, not coilver or sliders. Our top bar didnt rub the spring but at full travcel the spring would get in to the panbar bolt like i mentioned.

rpm20
Dirt Freak

Total posts: 338
posted April 19, 2005 05:27 AM  
how was traction and what are good or bad times to use this setup?

what type track did it work best / worse on??


quote:
Originally posted by dirtbuster:
yeah we ran that setup last year and had trouble with the spring rubbing on the panhard bolt. Ours was a DW9 with the jackbolt setup though, not coilver or sliders. Our top bar didnt rub the spring but at full travcel the spring would get in to the panbar bolt like i mentioned.


dirtbuster
Dirt Forum Champ
Total posts: 2007
posted April 19, 2005 07:50 AM  
IT didnt work too bad at the end of the year. Slick track and seemed to get pretty decent bite but we had problems with it being tight inthe middle. This year we are spring behind and so far it has shown to be far better, but the year is early.

2nd2none
Dirt Forum Champ
Total posts: 755
posted April 19, 2005 02:50 PM  
The majority of the 4bar DW-9s that where kicked out this way where super tight on the gas with the hoosiers. With the imca tires they where bad fast.

I would say expect the car to be tight center off, put 4-5 inches of stagger in it, and keep some rollsteer in it to help it turn.

rpm20
Dirt Freak

Total posts: 338
posted April 20, 2005 01:54 PM  
THATS HOW OUR CAR WAS LAST SEASON WITH THE SPRING BEHIND ON THE BC , BUT IT WAS A THROTTLE PUSH. I FOUND OUT THAT MY FRONT ROLL CENTER WAS WAY OUT TO LUNCH AND NOW ITS 3' ABOVE GROUND AND 4' TO THE LEFT OF CENTER, I HOPE THAT CORRECTS THE THROTTLE PUSH.

Originally posted by 2nd2none:
The majority of the 4bar DW-9s that where kicked out this way where super tight on the gas with the hoosiers. With the imca tires they where bad fast.

I would say expect the car to be tight center off, put 4-5 inches of stagger in it, and keep some rollsteer in it to help it turn.[/QUOTE]


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