5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

ROUGH IDLE

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Old Apr 21, 2006 | 05:27 PM
  #1  
KNOXRAGTOP's Avatar
KNOXRAGTOP
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Joined: Apr 2006
Posts: 6
Default ROUGH IDLE

IM NEW AT THIS SO IF I HAVE BREACHED SOME PROTOCALL OR SOMETHING LET ME KNOW BUT JUST TRYING TO GET HELP WITH MY PROJECT- THANKS FOR YOUR UNDERSTANDING

HAVE 91 MUSTANG GT

ADDED HAWK COMP ROTATING ASSEMBLY 347
TRICK FLOW TWISTED WEDGE HEADS
" " STREET HEAT INTAKE WITH 1" SPACER
50LB INJECTORS
LONG TUBE HEADERS WITH X PIPE
CRANE INTERCEPTOR II ADJUSTABLE COMPUTER
24LB CALIBRATED MAF
POWERDYNE BD-11 SUPERCHARGER

HAVING PROBLEM WITH IDLE . BURNING REAL RICH
LOWERED PULSE WIDTH TO -10 WHICH IS MAX INCREASED ADVANCE BY +4 AND STILL ROUGH AND TOO RICH
CHANGED TO 24LB INJECTORS STILL RUNS ROUGH BUT MUCH BETTER IDLE NOT AS RICH ANY SUGGESTIONS???


ANY HELP WOULD BE APPRECIATED
Old Apr 21, 2006 | 06:45 PM
  #2  
88BlueGT's Avatar
88BlueGT
6th Gear Member
 
Joined: Sep 2005
Posts: 15,042
From: Hamilton, NJ
Default RE: ROUGH IDLE

Do you have an AFPR? It would definitely be a great investment... I dont understand how you are running rich with a 347W with a blower and 24lb injectors It sounds like you need a good tune... and also get your MAF calibrated!
Old Apr 21, 2006 | 06:53 PM
  #3  
Tims 88GT's Avatar
Tims 88GT
6th Gear Member
 
Joined: Jan 2005
Posts: 7,657
From:
Default RE: ROUGH IDLE

yea u need like 42lb injectors and maf
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