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Old 25-06-21, 02:33 PM
David C David C is offline
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Join Date: Apr 2021
Posts: 108
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I think you are referring to the bi metallic spring that sits in the inlet manifold and operates the choke on the Carter. This is indeed redundant if you go for the Edelbrock with electric choke or indeed a manual choke as was my choice.

The exhaust butterfly has no connection to this. It is a relatively subtle improvement during warm up so if you are anxious it may stick you are probably better to wire it open or remove it. However I never had any issues when using the car regularly. As long as the spindle is kept lubricated the weight is plenty to keep the valve open.
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