Now get rid of that crap brake fluid and it will be even better!
For another data point I recently did 20 laps back to back at Lime Rock, 140-144mph in the straight, lap after lap. No brake ducts. PMU Club Racers. Endless RF-650 brake fluid. No issues and kept decent pace (My current PB is...
Reduced by 48.8lbs. :)
Didn't notice a huge difference but I have pretty high rate springs on my coilovers. I did notice it dances through transitions a little bit better now.
Just wanted to update the thread that this battery has been flawless. My Supra isn't a daily driver so sometimes it sits for a week or two without being driven. I have purposely kept it off a battery tender to see how it will do. I have a bluetooth battery volt logger on the battery. It hasn't...
Even buying and shipping 54 gallons of Sunoco E85-R on the regular would probably be cheaper than buying a truck and external tank, insurance, and registration.
In addition to the vac filling, did you do the proper system bleeding procedure? Might be worth trying that. See below for the low temp circuit procedure.
That said, I bet you are just running too much boost on the stock turbo and turning the turbo into a hairdryer.
See, this is another example where car bowling and turny track bois live in different worlds. 220F is basically cruising temp. On track it will easily surpass that on the first lap out.
Here are 13 laps. You can see oil temp goes up past 220 on the first two laps out. Chill laps. 280f-300F is...