Originally Posted by
Roelof
With tune 2 there is a high chance your engine will go to lean on the end of the straight causing such high temperatures. Also the rich bottom end is causing loss in the corners and fuel milage.
Tune 1 does give a faster pickup and a for sure right setting on the HSN
Yes. I can feel the tune 1 make the engine run more relax then 2. will do some test to lean in proper way.