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Open Track Racing
SCCA Track Night in America. Advice and recommendations please
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<blockquote data-quote="MFE" data-source="post: 15273035" data-attributes="member: 36397"><p>I fixed the primer link.</p><p></p><p>I run fairly heavy oil for the track (15w-50) because I routinely see oil temps of 270 degrees, and if you look up the Product Data Sheet for any oil you care to consider, and look at things like the HTHS (High Temperature High Shear) Viscosity, your eyes will bug out at how thin the -20 and -30 oils get at high temp. I would no way in hell run a 5w-20 or even -30 on a track day. That said, I wouldn't get truly concerned about oil temps unless you're pegging your 280-degree gauge. 300+ is a definite concern.</p><p></p><p>Water temp doesn't bother me til it gets over 230.</p><p></p><p>Motion sickness is heavily counteracted by looking as far ahead of the car as you're supposed to when you're driving <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> Seriously, look way through the corners, and let the car catch up to your line of sight. Look through the side windows on entry if you need to. And if your driver is jerky and ham-fisted, ask him to smooth out and go easy.</p></blockquote><p></p>
[QUOTE="MFE, post: 15273035, member: 36397"] I fixed the primer link. I run fairly heavy oil for the track (15w-50) because I routinely see oil temps of 270 degrees, and if you look up the Product Data Sheet for any oil you care to consider, and look at things like the HTHS (High Temperature High Shear) Viscosity, your eyes will bug out at how thin the -20 and -30 oils get at high temp. I would no way in hell run a 5w-20 or even -30 on a track day. That said, I wouldn't get truly concerned about oil temps unless you're pegging your 280-degree gauge. 300+ is a definite concern. Water temp doesn't bother me til it gets over 230. Motion sickness is heavily counteracted by looking as far ahead of the car as you're supposed to when you're driving ;) Seriously, look way through the corners, and let the car catch up to your line of sight. Look through the side windows on entry if you need to. And if your driver is jerky and ham-fisted, ask him to smooth out and go easy. [/QUOTE]
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SCCA Track Night in America. Advice and recommendations please
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