Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - How much does 1psi usually change your a/f?

1slowS13 · 08-30-2011, 10:51 AM

really depends

here in nevada, stock blacktop with a s15 t28 on 7 lbs is reading 12-12.5 AFR on WOT, i had to fine tune it with an safc.. but thats given our sub 120 degree weather here, daily..

08-30-2011, 10:51 AM	#14
1slowS13 Zilvia Junkie Join Date: Jan 2008 Location: Las Vegas, NV Age: 35 Posts: 466 Trader Rating: (6)	really depends here in nevada, stock blacktop with a s15 t28 on 7 lbs is reading 12-12.5 AFR on WOT, i had to fine tune it with an safc.. but thats given our sub 120 degree weather here, daily..