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Originally Posted by yaoxiao4 I've heard good things about speed venture, but give speedsf a look, I think they're probably one of the most popular ones here in NorCal. HookedOnDriving

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Old 07-10-2018, 02:04 PM   #16 (permalink)
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I've heard good things about speed venture, but give speedsf a look, I think they're probably one of the most popular ones here in NorCal. HookedOnDriving is great too but a little on the pricey side
Right on! I will check them out.

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Old 07-10-2018, 05:13 PM   #17 (permalink)
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I was thinking of doing a simraceway school to get reacquainted with the track, then looking at SpeefSF events. My friend rolled with NASA at Sonoma last year and he really didn't like it, a lot of incidents and cars were 40 seconds apart in timing sharing the same run group
Let me guess group 2? That group has the largest difference in driver ability and more incidents because it's the first solo group, but they are still rare to occure. The time difference isn't too big of a deal if the driver's are aware of it.
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Old 07-10-2018, 05:21 PM   #18 (permalink)
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Let me guess group 2? That group has the largest difference in driver ability and more incidents because it's the first solo group, but they are still rare to occure. The time difference isn't too big of a deal if the driver's are aware of it.
from what he described it looked like an one off event that was poorly ran, FWIW he was in group 4.

I think the car count was massive and they didn't have proper instruction or briefing for some of the groups, he ended up writing a letter to NASA and they acknowledged it. Hopefully this year's event will be much better
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Old 07-10-2018, 05:41 PM   #19 (permalink)
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from what he described it looked like an one off event that was poorly ran, FWIW he was in group 4.

I think the car count was massive and they didn't have proper instruction or briefing for some of the groups, he ended up writing a letter to NASA and they acknowledged it. Hopefully this year's event will be much better
Group 3 is always the best group as everyone wants to mind their P & Qs so they can get to group 4. Group 4 always has a couple of drivers who think they are real racecar drivers and can do stupid. That being said speed difference in that group is going to be wide as stated because you got everything from a miatas to to z06s on the track.

To bad the organizers didn't do their job. It leaves a bad taste in everyone's mouth.

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Old 07-13-2018, 10:46 AM   #20 (permalink)
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I'm running into the same issue with the same parts (XP10/8, slotted rotors, Motul RBF660 fluid, stainless brake lines). The Stillen brake duct does not provide enough air volume to cool the rotors and calipers, the ducting is two inches. I have a friend who fabricated 3 inch ducts which apparently provided a lot more cooling (dropped the peak temp by 150F). The two piece rotor provides additional cooling.

Anyone have any experience with carbon ceramic rotors? I know they're expensive, but I'm not sure if that's a solution.
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Old 07-13-2018, 11:50 AM   #21 (permalink)
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I'm running into the same issue with the same parts (XP10/8, slotted rotors, Motul RBF660 fluid, stainless brake lines). The Stillen brake duct does not provide enough air volume to cool the rotors and calipers, the ducting is two inches. I have a friend who fabricated 3 inch ducts which apparently provided a lot more cooling (dropped the peak temp by 150F). The two piece rotor provides additional cooling.

Anyone have any experience with carbon ceramic rotors? I know they're expensive, but I'm not sure if that's a solution.
You also don't want to over cool as well as track pads do need some heat in them to work properly! You may need a more aggressive pad or a bbk as well as going to a 3" hose.

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Old 07-13-2018, 04:34 PM   #22 (permalink)
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I can definitely vouch for SpeedSF as well, all the HPDEs I've done with them were exceptional.
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Old 07-13-2018, 04:34 PM   #23 (permalink)
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Don't run with NASA up here in NorCal, it's like driving through a maze
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Old 07-13-2018, 05:36 PM   #24 (permalink)
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Thank everyone for the feedback about NASA NOR CAL.

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Old 07-14-2018, 10:23 PM   #25 (permalink)
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Speedsf is legit. You get 5 sessions instead 4 like with nasa, its more laid back and they seem to enforce the point by passing rules more (as in theyll have a talk with you if youre being a **** and not letting anyone by). Run groups 3 and 4 with nasa are fine, but when i was in 2 i wanted to blow my head off - you run with group 1, its way too many people on track and theyre all super slow. I do recommend nasa if its your first time out on track or not comfortable yet. Either way yea check out speedsf

Might have answered already but you letting the brakes cool down all the way? Ill do my last lap without touching the brakes unless i see the flag at the corkscrew, then ill drive around the paddocks for a while. Laguna beats up the brakes really bad
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