09-09-2020, 05:01 PM
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#207
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Drives: 98 Z28 SS, 2018 ZL1 HYPER BLUE
Join Date: Aug 2008
Location: Florida
Posts: 75
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Quote:
Originally Posted by NEZL1
I had my alignment checked. Had zero toe out back, moved it to 1/16" toe in in the rear, which is common on race cars to settle the rear. Did help some, but I think I've figured out at least in my case part of what I'm feeling.
I think it's tramlining in the rear. With the aggressive track alignment it certainly tramlines up front pretty aggressively, but I noticed my problem seems to occur when crossing the painted lane markers, and I've noticed others who have posted videos had issues when they crossed the painted line too. I think the wheel transitioning from a low grip surface (painted line) to a high grip surface, concrete/asphalt etc literally pulls the rear end of the car to the higher grip surface, aggressively apparently, when at speeds and under acceleration.
This is common knowledge and something they teach you early when you're doing track days, especially with race rubber. That if you have an off, don't try to jump right back on track or the sudden grip of the race surface can grab and hook the car into the opposite wall.
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Thats when it’s happening to me, while crossing the lane markers plus on a uneven road! Good info!!!
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