Alfa Romeo Bulletin Board & Forums - View Single Post - Weber DCOE Tune after restoration
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post #4 of (permalink) Old 11-08-2018, 04:55 AM
65Sprint
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Join Date: Jul 2004
Location: Fountain Inn, SC
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The DCOE 72/73 are emissions carbs so you may well need more than two turns out on mixture screws. My limited experience with the emissions carbs says opening the mixture screws four to five turns is within the norm.

Regarding the high idle, an air leak comes to mind. Do you have the proper carburetor support in place? A sticky advance mechanism in the distributor could delay a return to idle.

Rich Hanning
'65 Sprint GT, '78 Spider, '88 Quad
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