Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - whats an acceptable AFR for WOT on sr20det 8.5:1 CR on 93oct?

opponheimer · 11-19-2007, 10:59 PM

I'm measuring afrs at 36" from the turbine blade... Dropped boost down a little more and it goes to 12.6 afr.. its odd becasue up until 7k rpms its like 10.5-11.2 (stock ecu) then it jumps to 12.6 in the last 500rpm range.. very weird.

11-19-2007, 10:59 PM	#23
opponheimer Zilvia FREAK! Join Date: Apr 2007 Location: Bikini Atoll Posts: 1,267 Trader Rating: (3)	I'm measuring afrs at 36" from the turbine blade... Dropped boost down a little more and it goes to 12.6 afr.. its odd becasue up until 7k rpms its like 10.5-11.2 (stock ecu) then it jumps to 12.6 in the last 500rpm range.. very weird. __________________ SR20 & RB20/25/26 in s13/s14 Wiring from $125 to $200.. Best prices EVER.