Texasroadrunner
Club Member
I've been tuning my '72 L24 with Triple Weber DCOE 40's for some time. I have successfully used my wideband sensors to read the air fuel ratios at various loads and throttle openings. Idle mixture, Idle jets and main jets are working well. My issue is the lean zone at mid throttle. The recommended emulsion tubes are F11's. They are too lean. I have richened them up some by soldering over the top 3 air holes and reducing the air bleed jet size. Do any triple Weber DCOE 40 people have success with a certain number emulsion tube? Like maybe the F16? If you have, please let me know. New emulsion tubes x 6 aren't cheap so I'm not going to buy them all. I did try a set of F9's but they were even more lean than the F11's. Thanks for any DCOE experts that have cured this problem and can help.