FORCED INDUCTION Turbos | Superchargers | Intercoolers | H2O/Meth Injection

air fuel question

Thread Tools
 
Search this Thread
 
Old 07-25-2009, 03:17 AM
  #1  
TECH Fanatic
Thread Starter
iTrader: (3)
 
Most Hated's Avatar
 
Join Date: Jan 2008
Posts: 1,109
Likes: 0
Received 1 Like on 1 Post
Default air fuel question

if i change my a/f ratio from a 10.0 to a 11.5 will it make it a big diff cuz i have it at 10.0 right now but havent gotten a chance to tune what do yall think
Old 07-25-2009, 04:45 AM
  #2  
Truck Sponsor
iTrader: (12)
 
Wheatley's Avatar
 
Join Date: Apr 2003
Location: Sealy/Katy TX
Posts: 3,286
Likes: 0
Received 2 Likes on 2 Posts
Default

Yes it will make a difference!!
no need to have it that rich though
Originally Posted by Most Hated
if i change my a/f ratio from a 10.0 to a 11.5 will it make it a big diff cuz i have it at 10.0 right now but havent gotten a chance to tune what do yall think
Old 07-25-2009, 01:50 PM
  #3  
TECH Fanatic
Thread Starter
iTrader: (3)
 
Most Hated's Avatar
 
Join Date: Jan 2008
Posts: 1,109
Likes: 0
Received 1 Like on 1 Post
Default

Originally Posted by Wheatley
Yes it will make a difference!!
no need to have it that rich though
wat r we seeing track wise .1-.4 tenths in the 1/4 ?
Old 07-25-2009, 05:14 PM
  #4  
TECH Fanatic
Thread Starter
iTrader: (3)
 
Most Hated's Avatar
 
Join Date: Jan 2008
Posts: 1,109
Likes: 0
Received 1 Like on 1 Post
Default

so if i put my a/f at 12.2 isnt that too lean cuz i thought i read that before but then i saw this post so can some one help me out

https://www.performancetrucks.net/fo...2&postcount=13
Old 07-25-2009, 05:26 PM
  #5  
Staging Lane
iTrader: (3)
 
ssavalanche's Avatar
 
Join Date: Feb 2009
Posts: 72
Likes: 0
Received 1 Like on 1 Post
Default

I brought a Magnacharged 5.3 from 10.2 afr to 12.2 and saw a 46 rwhp gain. All has been good over the last year of the guy's hard driving.
Old 07-25-2009, 07:46 PM
  #6  
TECH Fanatic
Thread Starter
iTrader: (3)
 
Most Hated's Avatar
 
Join Date: Jan 2008
Posts: 1,109
Likes: 0
Received 1 Like on 1 Post
Default

what timming was that 5.3 runnin
Old 07-25-2009, 07:56 PM
  #7  
Staging Lane
iTrader: (3)
 
ssavalanche's Avatar
 
Join Date: Feb 2009
Posts: 72
Likes: 0
Received 1 Like on 1 Post
Default

20 degrees
Old 07-25-2009, 07:57 PM
  #8  
TECH Fanatic
Thread Starter
iTrader: (3)
 
Most Hated's Avatar
 
Join Date: Jan 2008
Posts: 1,109
Likes: 0
Received 1 Like on 1 Post
Default

pm sent again
Old 07-28-2009, 06:23 PM
  #9  
TECH Resident
iTrader: (22)
 
1BADAZZSS's Avatar
 
Join Date: Aug 2003
Location: Blue Springs, Mo
Posts: 878
Likes: 0
Received 0 Likes on 0 Posts
Default

I got mine setup for 10.8:1. But I am running straight E85
Old 07-28-2009, 10:19 PM
  #10  
12 Second Truck Club
iTrader: (7)
 
WJ MARK's Avatar
 
Join Date: Jun 2006
Location: colorado above 6000 ft.
Posts: 2,093
Likes: 0
Received 0 Likes on 0 Posts
Default

usually around 11.5 is a good number. I think 12's is getting lean on a boosted app.


Quick Reply: air fuel question



All times are GMT -5. The time now is 10:57 AM.