TwinTurbo.NET: Nissan 300ZX forum - Re: attn: autoX drivers
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Subject Re: attn: autoX drivers
     
Posted by canyoncarver on March 29, 2007 at 9:22 PM
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In Reply To attn: autoX drivers posted by RedSER13 on March 29, 2007 at 03:29 PM
     
Message I'd recommend against it for a number of reasons. But mainly because adding wheel spacers to the front, like going to a smaller than stock wheel offset, changes your scrub radius. Changing the scrub radius slows down your steering response. This isn't something that you want on a tight auto-x course. Other people have noted that a small s/r change has a noticeable impact on steering response in the Z. I'd consider 15mm to be a significant change.

If you have aftermarket sway bars, I'd go with the softer setting in front, and stiffer in the rear, otherwise you'll probably be plowing around the corners. You can look in the club section on the other forum for my swaybar settings. My car was neutral to tail happy on the AFB runways.

On tire pressures, you have low profie tires. I wouldn't over-inflate them as suggested. I ran 32 psi fronts and 36 psi in the rears for the balance mentioned above.. I tried 34 psi in the rears for a little more bite, but it actually slid more, so I changed it back.

Talk to Chadman, he's run a number of auto-x events.

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