LT1-LT4 Modifications 1993-97 Gen II Small Block V8

383 running rich

Thread Tools
 
Search this Thread
 
Old 08-02-2006, 10:15 PM
  #1  
Launching!
Thread Starter
iTrader: (4)
 
lt1_2buku's Avatar
 
Join Date: Jun 2006
Location: midland, tx
Posts: 220
Received 3 Likes on 2 Posts

Default 383 running rich

I just put in a 383 lt1. I am having trouble with it running rich. I put the bosch platinum single prong spark plugs. Could this be the problem? I've hear alot of different stories about them. I have the stock MAF, TB. I also have LT's open for now. I have the front o2 sensors connected and the back two i have sims on them. Stock fuel pump/lines/injectors. Any info would be appreciated
Old 08-02-2006, 10:38 PM
  #2  
TECH Fanatic
 
streetwarrior96's Avatar
 
Join Date: Feb 2006
Posts: 1,119
Likes: 0
Received 0 Likes on 0 Posts

Default

I don't think thats the problem but you should get NGK's or some autolites. How old are your O2's. You can delete the rear O2's with a PCM tune and won't need the O2 sims. How is the duty cycle on your injectors?

Last edited by streetwarrior96; 08-02-2006 at 10:43 PM.
Old 08-03-2006, 07:03 PM
  #3  
11 Second Club
iTrader: (1)
 
96capricemgr's Avatar
 
Join Date: Sep 2004
Posts: 11,975
Likes: 0
Received 12 Likes on 12 Posts

Default

Open longtubes with O2s in them will let freshair get up to the O2s between exhaust pulses making the O2s report leaner than the engine actuallty is causing the pcm to dump extra fuel at it.

Do you have it tuned? The stock pump and injectors will not handle an even halfassed stroker.



Quick Reply: 383 running rich



All times are GMT -5. The time now is 08:53 PM.