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Author Topic:   Pullbar forward mount
klw45black
Dirt Full Roller

Total posts: 42
posted August 17, 2004 08:41 AM  
I was just wondering how far is too far in regards to the forward mounting bracket location for the pullbar (short) I'm talking left to right not forward or rearward. Measuring from the cars centerline.

dirtywrench13
Dirt Freak

Total posts: 324
posted August 17, 2004 02:58 PM  
WE USUALLY START CENTERED OVER THE DRIVE SHAFT. THEN MOVE TO THE RIGHT AS THE THROTTLE PUSH INCREASES.

mod70
unregistered Total posts: 324
posted August 17, 2004 03:03 PM           send a private message to dirtywrench13   Edit/Delete Message   Reply w/QuoteBBBBBB
The mount on my Hoffman 01 metric is 1.25" left of center line. I couldn't tell you how far is too much though.

klw45black
Dirt Full Roller

Total posts: 42
posted August 17, 2004 04:01 PM  
I was thinkin' that as you move the mounting point to the left the bar would direct its forces to the LF causin' lift or unloading of the LF. & the same if you move it to the right, correct?? Throttle push?? please explain the causes of it. dirtywrench13 you're sayin' that you use this mounting spot to fix it. How does the mounting point effect throttle push? Thanks

FASTLAP
Dirt Maniac

Total posts: 171
posted August 17, 2004 04:39 PM  
quote:
Originally posted by klw45black:
I was thinkin' that as you move the mounting point to the left the bar would direct its forces to the LF causin' lift or unloading of the LF. & the same if you move it to the right, correct?? Throttle push?? please explain the causes of it. dirtywrench13 you're sayin' that you use this mounting spot to fix it. How does the mounting point effect throttle push? Thanks

Because it will load the tire that it is closest to more than the other.

smayo964
Dirt Maniac

Total posts: 194
posted August 18, 2004 05:11 AM  
I was reading in one of my mod chassis books that the location (starting) should be based about your left side percentage in regard to your rear track width. If you have 53% left side weight, you should take 53% of your rear track width (centerline to centerline of rear tire) and locate your upper connection from the left side with whatever your numbers comes out to. This should be a starting point since the pull bar will effect your rear geometry under loading. Did this on my old mod (DW4), our R&D car, and it seems to hold true.

klw45black
Dirt Full Roller

Total posts: 42
posted August 18, 2004 08:20 AM  
Thanks smayo964 that's what I was looking for.

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