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not to jack your thread, but while were on the topic of power steering i had my jza70 at the track last weekend, and one lap all of a sudden i had no power steering for a few turns, then it came back again, no leaks, fluid is full, pump doesnt make any noise. has anyone ever had that happen...

so for furture reference (if anyone cares) a 1jz is good for about 2-3 laps (approx 3-5 minutes) of hard driving before oil temps reach 120C. so if your going to do any hard driving , go buy an oil cooler. and this was on a day where it was only about +8-10 C, in the afternoon when...

so assuming i still have 10 psi per 1000rpm, i should be good even if my oil temps get above 110C? ie. say my oil temps get to 120-130 (just hypothetical), but i still have 10psi per 1000, am i still good for lubrication? or is there more to it then that and at a certain point the oil is not...

so i read all that, he talks about oil pressure vs. flow , is there any way to figure out what a particular enignes flow characteristic would be? any forumla or calculations to figure it out based on oil pressure and visocity? or would i have to ask the guys who engineered the 1jz? :) lol

unfortunately no, its a school/licensing day thing, its mandatory to run every year before they give you your license to run the rest of the events. ill just take it real easy and keep a close eye on my oil temp gauges, worst cause ill end up driving really slow and not pushing the car

i did read that SME section, and i understand that running heavier oil is not really the greatest solution, but he also mentions that to an extent heavier oil DOES help viscosity at higher temps, im wonder what that extent is, and if its even worth it. i understand that the tradeoff is more...

well its just a race school, not really a race/full out track day, so i know im gonna have to take it really easy , just tryin to figure out what the point is when i have to back off. and i know going from a 10w30 to a 5w30 is only going to affect old start viscosity, im asking if its worth...

So from what I have read, oil should sit at around 100-105C is the ideal operating temp. now i just installed an oil temp gauge in my 1j supra last night, and after a few short runs (probably hitting boost like 3-4 times) my oil temps were already reading 110C. which kinda worries me considering...

6ft total i assume? so like 3 ft from the sandwich plate to the cooler, and another 3 ft back?

anyone running an aftermarket full flow oil cooler setup mind telling me how long your lines are and where you mounted the cooler? my plan was to keep the oil filter in the stock location and run the cooler lines off a sandwich plate.

ive had a few 20v 4a's and a few 3sgtes (both have heads built by yamaha) and ive never seen a sticker like that on any of the 4 engines ive had.