I'm trying to decide whether it is better to Autocross with Street or R Compounds when the temperatures drop to the upper 40's to low 50s. My street are Dunlop SP8000s, and the R's are V700 Victorace ...
I picked up a set of 924T springs which are supposed to be M471 springs. I don't doubt it as the fellow is I got them from is reliable. I've read through all the notes on the M471 package and the M03 ...