optimal afr ratio?
Nov 8, 2009 | 07:51 AM
Joined: Jul 2007
Posts: 187
Likes: 0
From: Southern Tier (Owego) N.Y.
optimal afr ratio?
Hi everybody, I'm getting v&h big shots,sert, and a screamin eagle airfilter put on. The dyno tune is free what should the afr be? Thanks.
Nov 8, 2009 | 09:25 AM
Joined: Jun 2008
Posts: 2,132
Likes: 25
From: NorCal
Quote:
Originally Posted by
gmc1999
Hi everybody, I'm getting v&h big shots,sert, and a screamin eagle airfilter put on. The dyno tune is free what should the afr be? Thanks.
In closed-loop (cruising) you can ask the SERT to give you 14.2 instead of 14.7.
In open-loop, 13.5 seems to be the number on mine, 12.something at idle.
Nov 8, 2009 | 11:58 AM
Joined: Apr 2007
Posts: 356
Likes: 3
From: VB, Virginia
14-16 at idle, 14 cruising and high 12's low 13's at wot.
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