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Steel head 440 leanest cylinder #2006592 02/06/16 10:12 AM 02/06/16 10:12 AM
Joined: Feb 2013 Posts: 84 La.USA R rick4106 OP member
rick4106 OP member R Joined: Feb 2013 Posts: 84 La.USA	What spark plug does everyone look at. Number 1 is easiest. Last edited by rick4106; 02/06/16 10:14 AM.

Re: Steel head 440 leanest cylinder [Re: rick4106] #2007373 02/07/16 02:49 PM 02/07/16 02:49 PM
Joined: Jul 2004 Posts: 19,317 State of confusion T Thumperdart I Live Here
Thumperdart I Live Here T Joined: Jul 2004 Posts: 19,317 State of confusion	I check em all.............. 72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....

Re: Steel head 440 leanest cylinder [Re: rick4106] #2007392 02/07/16 03:26 PM 02/07/16 03:26 PM
Joined: May 2004 Posts: 12,383 Taxes & Virus's R-US, NY Dragula I Live Here
Dragula I Live Here Joined: May 2004 Posts: 12,383 Taxes & Virus's R-US, NY	8 is always the leanest on my Indy headed wedge...And 8 tends to be the richest on the Hemi. My thoughts were always that the fuel tends to go towards the back of the intake during acceleration leaving the front leaner, but I would bet its more with header flow, dunno. Would love to hear why one is leaner than others. Last edited by Dragula; 02/07/16 03:29 PM. '70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft) https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car) https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car) https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9) '66 Barracuda AWB Stretched nose Blown 440 Car in build stage '71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph https://www.youtube.com/watch?v=Znuo3jMUXTk

Re: Steel head 440 leanest cylinder [Re: rick4106] #2007509 02/07/16 07:00 PM 02/07/16 07:00 PM
Joined: Aug 2003 Posts: 43,127 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,127 Bend,OR USA	It depends on which intake manifold your using On a stock M.W. crossram I look at #7 due to #5 firing 90 degrees before it and they both get feed off of the same jet at WOT so # 5 makes # 7 run leaner. Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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