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screamin_c10 · 12-18-2010, 06:53 PM

Strange, the 1406 is metered to be slightly lean in comparison to the 1405 600 CFM. I would try and go to the next step lean on the chart in the user manual. In your case it would be step 8. I assume you are having this issue while cruising (not wide open throttle).

12-18-2010, 06:53 PM	#2
screamin_c10 I dun gradjiated collij!!! Join Date: Jan 2006 Location: St. Helens Oregon Posts: 1,751	Re: Edelbrock 1406 re calibrate HELP!!! Strange, the 1406 is metered to be slightly lean in comparison to the 1405 600 CFM. I would try and go to the next step lean on the chart in the user manual. In your case it would be step 8. I assume you are having this issue while cruising (not wide open throttle). Attached Images __________________ Built NOT Bought. Viper Red 1971 LWB C10 355 Vortec W/700R4 4/5 drop AKA Screamin' You are missed! 2006 F150 XLT 5.4L Triton Rollin' on 22s the "F1" 67 C20 PS/AC/327/TH400 we call 'er "Bessie" 67 Malibu PS/ZR1-LS1 Brakes/350 Vortec/700R4 2/2 drop on 18" 338s - Tracy's "Boo" Boosted '67 Cougar EFI 5.0 HO roller motor/T5/8.8 Tracloc/ 4 wheel disks - "Project Panther" 79 Honda Z50 - stretched, cafe'd and hotrodded 125CC Lifan/5spd FEAR THE MONKEY! Last edited by screamin_c10; 12-18-2010 at 06:56 PM.