I haven't even driven my TR1ke in anger yet as I'm only taking it to RTR this Friday to hopefully get through the test. I am reading this thread with interest though as while I've been searching the web for R1 bit and pieces I've have come across several websites that make me a bit nervous -
I like the idea of a R1 engine but the thought of it melting is unappealing. It may just be a 5VY issue, the type of car it's in or track lunatics pushing it too much. Although not my main intention the thought of being a track day lunatic sounds like a nice option if I feel inclined but there's now a bit of worry.
if the worse did ever happen, I'd probably be a bit 'once bitten' and very interested in an alternative.
Kev added an aditional oil cooler after seeing 150C. That's pretty exessive driving isn't it? At these temps oil characteristics will be very poor and destroyed which wears down the internals pretty quick. I believe many Smart cars engines wear down by too hot oil for the same reason. I have installed an oil temp gauge and for road use it hits 102C occasiolally which sounds great to me vapourising some moist in the oil. Mind you I'm far not interested in track use.