afrs again

[KEV 5 GT]

right just put a t2 turbo back on with stock jets apart from 2nd stage drilled to 1.2mm was hitting 15 psi and afrs was around 13.1 so turned boost down to 1.3 psi and its still the same is this safe to keep like this or too lean ?

[andybond]

Too lean.

[KEV 5 GT]

how can i get it down abit

[Alex]

Try a 1.00mm A/C ;)

[KEV 5 GT]

ive got a 0.9 will that do ?

[Alex]

I suspect that'll make things a bit too rich. You could try it though. Or you could drill the 2nd stage out to 1.3 and re-check the AFR's then. :)