Originally Posted by JRGTR

is not the fuel dude, after each race or practice you need to open you engine like you did on the pics and clean all, check everithing and put it back with aferrun oil.no matter what fuel you use if you don't open and tear apart your engine after every use of it you will see that orange thing.and in time you can loose an engine so allways do the maintenance on your engine! thats the key for a happy engine! like my teamate say's "all the love you give to your engine at your table on home hi will return to you on the track!"