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Fuel consumption

8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc

Fuel consumption

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#14 (permalink)

01-07-21, 11:23 AM

PEU186F

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Join Date: Apr 2015

Posts: 94

17mpg sounds about right for a 410 on the standard transmission. My experience being that it doesn’t vary much whatever the circumstances.. Be aware that the needle valves on the standard carb do wear over time resulting in overfilled float chambers and an over rich mixture - hesitation on pick up when hot in traffic is one symptom of this issue

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