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Author Topic:   reworking lr spring/shock mounts on dw8
dirtracr
Dirt Maniac

Total posts: 199
posted July 13, 2005 05:29 AM  
anyone brought down the spring and shock mounts on left rear and put an extra dog leg in the chassis bar running rearward underneath the rear end tube to allow for more travel....any good results with bite???

rpm20
Dirt Freak

Total posts: 338
posted July 13, 2005 06:51 AM  
JUST RUN A GAERTE TYPE SLIDER AND A LONGER 3" SHOCK MOUNT AND YOUR THERE.

dirtracr
Dirt Maniac

Total posts: 199
posted July 13, 2005 11:41 AM  
ok,i thought about just cutting that bar that runs underneath the rear end out altogether..all the late models i see don't have that bar as part of their chassis...

Chad
Dirt Freak

Total posts: 269
posted July 14, 2005 08:57 AM  
I run a DW8 with 4 bar on both sides and noticed the LR lower bar was getting pounded by the bottom of the rearend housing as the car rolled over. I was noticing the lower frame rail was unloading my LR tire and hurting forward bite. We cut out DW's lower frame rail bar and replaced it with a tube that has a 'U' bend in it. Make sure you place it when the LR is jacked all the way up with the rearend almost touching the lower frame rail, remember the LR will move forward quite a bit (I almost messed this up). It did help with forward bite and was worth the effort. As you also mentioned, the next issue is the limiting factor now becomes the extension travel on the shock. You may need to run shaft extensions so you don't damage your shocks. But like everything, something's got to limit the travel, whether it be the lower frame rail or the shock.

dirtracr
Dirt Maniac

Total posts: 199
posted July 14, 2005 11:47 AM  
thanks chad...ours is a dw8 also and appears to be topping out the shock, spring behind, shock in front before hitting the lower bar....andy at dw said to let the rear end drop till almost touching the chassis bar underneath and then mount the shock...mocking it up, i let the rear end drop till almost touching and the shock was about an inch from lining with the birdcage mount so i'm coming above it on the birdcage and mounting one higher so the shock will bolt up.....andy said the rear end should touch that bottom bar before over extending the shock but ours extends with an inch to spare before it hits, 93 afco shock......i also noticed that after i do this i'm going to gain about an inch and a half of additional birdcage indexing.... this car has never really hooked up on the slick regardless of setup and we've been at this for 14 yrs so maybe i stumbled on to something....thanks for our reply, good racin to you

[This message has been edited by dirtracr (edited July 14, 2005).]

dirtywrench13
Dirt Freak

Total posts: 324
posted July 15, 2005 10:29 AM  
we modified the underslung on our 98 d-w 8 so it would travel more. then we put shock extensions on the left side shock, and clamped the spring behind the axle on the bird cage. no eliminator.

Chad
Dirt Freak

Total posts: 269
posted July 15, 2005 03:07 PM  
dirtracr: one of the differences we may be experiencing is the brands of shocks. I run Bilsteins and know they are about +1" longer than AFCO. That may be why I was hitting the underslung with my setup and you weren't.

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