2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
Sponsored by:

protip: series 4 airflow meter tuning

Thread Tools
 
Search this Thread
 
Old 06-28-13, 02:31 PM
  #26  
Full Member
iTrader: (5)
 
lucky87T2's Avatar
 
Join Date: Oct 2009
Location: Davenport IA
Posts: 61
Likes: 0
Received 0 Likes on 0 Posts
Just tested this on my s4 turbo, with three clicks richer adjustment on the clock spring, it got me roughly from 12.9-13.2 afr under boost down to high 11 - mid 12's range according to my AEM UEGO wideband. seems to like it on 10psi stock turbo and injectors. im thinking it would be fairly safe with colder plugs and an e85 conversion? it did affect my idle afr's from 14.7ish down to 13.5 - 13.0, cruising afr's are still good and lean though
Old 06-28-13, 07:43 PM
  #27  
Meat Popsicle

iTrader: (1)
 
TougeMonster's Avatar
 
Join Date: Dec 2004
Location: Missoula, Montuky
Posts: 414
Likes: 0
Received 0 Likes on 0 Posts
I just did 6 clicks on my half bridge, richened it right up

Got rid of my part throttle stumble and my 3k rpm lean spot( or so it feels)
Seems like I got a pretty smooth running STOCK ECU half bridge
Hooray me!

I'll dyno this summer once I get a wide band since our dyno here in town doesn't seem to have afr or egt.
Stupid diesels just chasing numbers where I'm from
Old 06-29-13, 05:48 PM
  #28  
In a Bucket
iTrader: (8)
 
w.sen's Avatar
 
Join Date: Jun 2009
Location: ocala, florida
Posts: 468
Likes: 0
Received 0 Likes on 0 Posts
After reading this i did it on my 88 with a s5 street port keg. I leaned out 2 clicks it revs smoother and part 5th gear pulls way harder. I do noitice a few spots around 3k and around 5-6k were it feels like the power "flattens out" durring wot.




All times are GMT -5. The time now is 08:11 AM.