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      06-19-2019, 06:48 PM   #89
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With the single ER oil cooler upgrade I saw oil temps hit 282F after approximately 16 miles on track at qualifying pace with open track in front of me. Ambient temp was 79F. I have added the second ER oil cooler and I am heading back to the same track this weekend so I will report back the results. I will be running the same OE 5W-30 oil.

The single upgraded oil cooler was enough at first but as driving improves and lap times come down the oil temps will definitely creep. I considered a radiator upgrade but water temps were normal and the modest decrease in water temps would not have enough of an impact on oil temps.

Regardless of oil temp improvements with the second ER cooler I will be moving to Red Line 50W race oil for the second half of the season. I waffled between 40W and 50W but the 50W is recommended for operating oil temps >200F for the N54 per BW.
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      06-20-2019, 09:04 PM   #90
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Car is looking great! You'll probably want to add some delrin sliders to the bottom of your splitter otherwise it'll get torn apart on the edges.

Love the wang and air-dam.
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      06-21-2019, 12:12 PM   #91
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Quote:
Originally Posted by spxxx View Post
Car is looking great! You'll probably want to add some delrin sliders to the bottom of your splitter otherwise it'll get torn apart on the edges.

Love the wang and air-dam.
Or HDPE sliders.

Yeah, car is looking awesome, great work!
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      06-23-2019, 09:08 PM   #92
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So this weekend I did the BMWCCA Club Race School at Palmer Motorsports in MA. This was truly a transformational experience coming from HPDE and TT. Will I fully cage the car and do 4 races over the next 1.5 seasons to get my license? Maybe. Even if not competitive in my class I'm still leaving towards yes. I don't think I could ever go back to point-by passing. I'll post some footage on my YouTube channel (TaylorVids) sometime this week.

Anyways back on topic.

HOW DID THE ADDITION OF THE SECOND ER OIL COOLER AFFECT OIL TEMPS???

Note: Same car, same track, same pace.

1 oil cooler (ambient 79F) max temp 282F
2 oil coolers (ambient 82F) max temp 259F

And there you have it.

I was also able to get lap time comparisons for the 100TW Toyo R888R versus the 80TW Federal FZ-201 Soft. I saw an average difference of 6 seconds. I will add additional details into my other thread.
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      06-24-2019, 07:50 AM   #93
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What was faster the R888 or the Federal?
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      06-25-2019, 09:43 PM   #94
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What was faster the R888 or the Federal?
Federal FZ-201 Soft
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      06-27-2019, 02:08 PM   #95
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Originally Posted by Mark Aubele View Post
What was faster the R888 or the Federal?
Federal FZ-201 Soft
What are the treadwear differences?
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      06-27-2019, 02:20 PM   #96
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What are the treadwear differences?
100TW vs 40tw. I'd hope the 201's were at least 2-3s faster. That might be my next tire to try. I'd liek to see how well they do at auto-x for being labeled a "soft" tire. Federal definitely seems to run on the soft side after having tried the RS-RR's.
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      06-30-2019, 06:49 PM   #97
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Quote:
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Quote:
Originally Posted by spxxx View Post
What are the treadwear differences?
100TW vs 40tw. I'd hope the 201's were at least 2-3s faster. That might be my next tire to try. I'd liek to see how well they do at auto-x for being labeled a "soft" tire. Federal definitely seems to run on the soft side after having tried the RS-RR's.
I was almost 6 seconds faster on the FZ201 soft. Only caveat is the R888R was getting up there in heat cycles (>20). New vs. new I would expect at least 3 seconds.
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