Quote:
Originally Posted by Mahler9th
During my 30 years of performance driving and racing, I don't know of many shops that have supported AX'ers and racers that have recommended and/or performed bump steer curve measurements and optimization on a per car basis, since the fat part of the improvement curve can usually be achieved with known recipes.
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It's a VERY time consuming task. Which probably accounts for the rarity of it. You also make the point that we're all driving a car with suspension geometry was carved in stone in the early 60's and didn't change till 1989.....
Along the way someone came up with the bright idea of rack spacers, found that they had room for 15mm, and said "good enough". For many cars, yes.
The point I'm trying to make is that if you have raised spindles you can do much better. I don't know why that's such a revolutionary idea. Not like I came up with it on my own. For crying out loud isn't there a reason you can buy them off the shelf?
(EDIT - for those following along, and to the OP with his 19mm raised spindles, if you don't find a shop willing to take on the task of actually measuring the bumpsteer curves, If you use in the range of 35-40mm of spacer with the rebel/tarret/elephant/rennline style kits, you will be in a safe range, equivalent to running 15mm of rack spacer on a car without the raised spindles.)