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Author Topic:   DW8 chassis question
meat
Dirt Newbie

Total posts: 2
posted April 21, 2002 08:39 AM
what measurement are you using to center the rearend in the car? Dirtworks told me 16 1/4 inches from the center of the pinion to a stringline that I would hang off the top bar of the tail section of the chassis. Using this measurement gives me quite a lot of side angle in the drive shaft, I thought the driveshaft was supposed to be in a straight line from the tailhousing to the rearend. If I set it at 15 1/4 its pretty close, did I hear wrong? I didn't think the car was bent we ran some strings along the chassis in several spots and it was within 1/8 inch. Any ideas other than jigging the car?

bogged
Dirt Full Roller

Total posts: 53
posted April 21, 2002 09:11 AM
I would verify that you have the same type of rearend DW uses. Some rearends have the pinion offset to one side. This would create the angle in the drive-shaft you mention. A second point to check is if you have the correct motor plate, the engine may be offset from center. These are a few problems I have run into in the past and are easy to check.

DodgeBoy76
Dirt Full Roller

Total posts: 73
posted April 21, 2002 11:22 AM
No, the 16 1/4 is correct. But the spot that you are measuring from I believe is wrong. Dirt Works told us that there is a dimple on top of the housing that is the center of the rear end housing and that is what you measure from. On our car the spot is a couple inches inside the right bracket that the monty bar and the 90-10 shock bolts to. Just run your fingers on top of the housing and you should feel a spot that feels like someone hit it with a punch, and thats the center of the housing. Then run the strings over the two bars, and measure. Hopefully the 16 1/4 is closer now.

irace74
Dirt Full Roller

Total posts: 38
posted April 21, 2002 12:10 PM
This winter we were setting up a new car and didn't have the measurement for the rear end yet. So we set a straight edge alond the drive shaft from the transmission yoke to the the rear end yoke. When this was straight we locked everything down. When we got the measurement from dirtworks, we found that our method was real close (within 1/8")

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