Extremely Lean Idle 331ci N/A (newbie)

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colec331
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Joined: Sun Aug 06, 2017 9:54 pm

Extremely Lean Idle 331ci N/A (newbie)

Post by colec331 » Fri May 31, 2019 12:02 am

SMEs,

Up front, I am in a bind. I'm in the military, getting ready to move from Alaska to Virginia and I have to ship my stang. In desperate need of help dialing in idle fuel/MAF. I have a WB, just don't have to time setup logging in BE. Attached is a warm idle log and during that time the WB read between 1.4-1.5 LAMBDA (almost off the charts lean I presume). ECU is asking for 14.08 LAMBSE, KAM was steady a 1. I've read the "Fuel" write-up at least 20 times and I still don't know what I need to be changing to richen the mix.

Just a side note on Lambse, the fuel write-up makes many references in terms of .850 or .990 for instance. In BE, my Lambse (1 and 2) read in the double digits, like 12.000 or 14.000. Are just moving decimal points (i.e. 12 = 1.2) or what. Feel so ignorant and lost.

Please please please step me through this process.
Attachments
A9L2_Trial_3_Op Temp Idle 2019_May_30_07-56-25.csv
(1 MiB) Downloaded 9 times
1990 Mustang GT: 331ci Stroker, 10.5:1; Crower Cam (Dur @ .050” Lift: 228°/234° RR: 1.6/1.6 Gross Lift: .513”/.530”); Edelbrock Victor Jr. Heads and Performer RPM 2 upper/lower intake; BBK fender well cold air intake; MSD 6AL & Blaster Coil; Ford Racing 24lb injectors; BBK Fuel Rail; 5/8 to 2.5in long tube headers; H-pipe; 2-chamber Flowmasters w/dumps; Tremec 3550, Exedy Stage 2 Clutch; 3.55 gears; 28-spline Strange Axles; AEM W/B; Quarterhorse.

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Vortech347
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Joined: Tue Sep 29, 2009 11:04 pm

Re: Extremely Lean Idle 331ci N/A (newbie)

Post by Vortech347 » Fri May 31, 2019 5:31 pm

Just richen up the MAF and force OL.
Matt
90 GT, 347, Vortech Si-trim (11psi), Edelbrock 6037 heads, Super Victor 8.2 EFI Ported, 80MM Pmas, 60lb EV14 Bosch Gen 4 Injectors, KB BAP, B31 Cam, T56. Tweecer RT, A9L. Software: EA/BE. 550rwhp & 513rwtq.
2003 Sonic Blue 03' Cobra 497rwhp 481tq, Pro Racer Pack
2013 Taurus SHO Performance Pack.

colec331
Gear Head
Posts: 3
Joined: Sun Aug 06, 2017 9:54 pm

Re: Extremely Lean Idle 331ci N/A (newbie)

Post by colec331 » Mon Jun 03, 2019 2:43 pm

Will look into that. Thank you!
1990 Mustang GT: 331ci Stroker, 10.5:1; Crower Cam (Dur @ .050” Lift: 228°/234° RR: 1.6/1.6 Gross Lift: .513”/.530”); Edelbrock Victor Jr. Heads and Performer RPM 2 upper/lower intake; BBK fender well cold air intake; MSD 6AL & Blaster Coil; Ford Racing 24lb injectors; BBK Fuel Rail; 5/8 to 2.5in long tube headers; H-pipe; 2-chamber Flowmasters w/dumps; Tremec 3550, Exedy Stage 2 Clutch; 3.55 gears; 28-spline Strange Axles; AEM W/B; Quarterhorse.

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