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Old 09-11-07, 08:40 AM   #12 (permalink)
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Dlampe
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Join Date: Jun 2006
Location: Centralia IL
GT40: RCR GT 40
Posts: 548
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Re: Dean's First drive RCR33

I didn't mean to open a can of worms here. I have been reading other post on this from people with cars from varying manufactures that have discussed their bumpsteer problems. My Kirkham cobra had about 1/2 in of bumpsteer when I got it. After weeks of tinkering with it I reduced it to .003 per inch. All cars have bumpsteer to some degree. Most of us would never notice. I don't like that so I added the kit. If you put the tie rod in the hole on your RCR spindle that gives you the most responsive steering, you will create bumpsteer outside of my comfort level. If you use the outer hole you will be fine, not perfect but good enough, as good as any other car. The RCR is the most adjustable car I have ever seen with one exception, the tie rod. That is why I switched to the hiem joint kit.

Listen, I tinker, thats just the way I am wired. Thats why the car is already back at the body shop for panel adjustment and more sanding! If someone says they don't have bumpsteer with their kit, ask to see the bounce and droop numbers for each corner. If you have more than .002 per inch of travel, then you have bumpsteer. Until you see the numbers, you should believe that it is there. period. The RCR rear end is great, the front needed some adjustment. Now they are both great! It is not a design flaw, it is an adjustment like toe and camber. It needs to be checked. If you take the time to go through all of this kind of stuff, you will be much happier with the way the car performs.
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