Just want to share the results of some tweaking on the RalliArt maps.

I have some concerns about the Air:Fuel Ratio, can i get some opinions?

Mods: Walbro, 3" Milltek full, 90550001 v5.10
Boost: 1.45bar to 1.2bar at rev limit

Thanks!

 

if ure on pump fuel, the afr seems a bit lean. 11.5 is a norm.

 

Yes fuel map seems to be very lean... is lean spool enabled in the map?

 

what octane are you runing ?

 

fuel is 98ron euro.

the afr was at the tailpipe, so it is a bit richer than the graph.

even so, is it lean?

 

it's better to have your bung close to the down pipe,somecars i had it close to the dp and some where different,it varies from the exhaust size,engine effeciency,sensor type..so it's always better to get closer. i made 400bhp(using VIII MR turbo) with evo 7 at 1.6 bar using 95 octane and my afr was much more richer than yours.