Lotus Elan

Weber DCOE designation

PostPost by: Stuart+2 » Tue Dec 02, 2008 5:47 am

The rear Weber on my +2 is a "DCOE2" which isn't standard.

No problems with it at all, but I'm interested to know the significance of the DCOE number.
Stuart - Sydney
1968 +2 50/1035
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PostPost by: rgh0 » Tue Dec 02, 2008 7:34 am

As the carb design evolved over the years changes where made in the detail of the castings to things like how the chokes were secured, the number and position of the progression holes and the addition of a throttle bypass idle air bleed. The numbers designate differences in the carbs due to these changes

Some of these changes were driven by general updates to the design and some by specific models made for a specific application.

Generally best to ensure you have a identically numbered set or at least understand the differences between the 2 types you have as it may or may not be signficant in terms of achieving balanced performance or if by spare parts do both carbs use identical components such as chokes or trumpets.

regards
Rohan
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