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RaceProEngineer RaceProEngineer is offline
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Join Date: Jun 2004
Location: New York
Posts: 1,307
Echo?

Is it just me, or is there an echo in this place?

Quote:
Originally Posted by moneymanager View Post
There are three places on our local tracks where I brake (generally in a straight line) to near 90mph and then enter a long sweeping turn. In each case I'm sure I could enter (and come out of) the turn faster if I weren't spooked by the abrupt shift of weight to the outside tires on entrance.
Quote:
Originally Posted by cstreit View Post
Transitional handling (weight shift) is managed by your shocks. Once your springs and sways are setup properly, I'd take a look at what you have for shocks.
Quote:
Originally Posted by RaceProEngineer View Post
Here you are identifying TRANSITIONAL chassis ROLL. As Chris so aptly points out, dampers play the primary role (not ROLL) here, combined with very smooth steering input, as others have said. In the absence of adjustable shocks, very STIFF dampers, ones that react slowly, will help here. At a minimum, the valving in your Bilsteins needs to be in top condition, and matched to your torsion bars.
Quote:
Originally Posted by Evan Fullerton View Post
To the OP, I would recommend getting your shocks re-valved for your current suspension and weight as from my personal experience new off the shelf Bilstein Sports are marginal at best with 30mm rear T-bars and get worse with age.
Quote:
Originally Posted by burgermeister View Post
I recently experimented with the adjustable Konis on my car. I was really surprised what a (positive) difference stiffening the shocks made during turn-in. Stiffening the rear more than the front made an even bigger difference on my intentionally understeering set-up. I am running a very soft car (19/25 Torsion, 23/23 ARB almost full soft).

So I agree empirically (as well as theoretically) with the "stiffer shocks" suggestion.
Quote:
Originally Posted by Plavan View Post
I have been in his car on the track. I believe he means that it "Rolls" quickly, with alot of movement, which makes it unsettling. I think his new shock valving will be very helpful. It is in no way too stiff.
Old 09-29-2011, 07:39 PM
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