ah ok not Revo.
for info...mine at stage 1 has AFR of 11.8:1 going down to 11.2:1 at 6500 rpm.
![Smiley :smiley:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/smiley.gif)
strange how yours gets leaner as revs increases..normally it should get richer as to prevent meltdown indeed by adding fuel to cool things abit.
but lean = power and potential big bang
![Grin :grin:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/grin.gif)