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Fuel consumption

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

Fuel consumption

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17-06-21, 10:36 PM

peter dowdle peter dowdle is offline

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Join Date: Jul 2008

Location: woodhouse australia

Posts: 271

I have a 411 series 2 383 and a 412 series 1 400. The 411 had a 750 Holley and was giving 8 mpg on an interstate trip, I swapped it for a 650 edelbrock (carter) and immediately got 13.5mpg. Nothing I have done has improved that milage.

The 412 with the 400 motor has a carter I think 650 gets about 13 to 14 mpg for seriously less performance.

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