[DMCForum] 30 MPG DeLorean? (Revisited)

["content22207" <brobertson@xxxxxxxxxxxx>]

Drove up to DC last night. Prior to leaving town I disabled a device
on my carb known as the "power valve" (it's just a diaphragm that
meters more fuel when manifold vacuum drops, usually due to fuller
throttle plate activation). Engine predetonated slightly under hard
acceleration, so I bumped the jets up slightly. Even with the larger
jets (4% larger than I had been running), fuel economy jumped to 24.5
MPG. And that was 2750-3000 RPM. Had I run closer to 2000 RPM, I might
well have approached 30 MPG.

In other words, something in the neighborhood of a 30 MPG DeLorean may
indeed be possible. Performance will suffer accordingly, but if fuel
economy is your primary goal it could be done. I like to accelerate
and drive fast myself, so 24.5 is good enough for me.

(Note to Rich Acuti: That little silver blur in the left lane will be me).

Bill Robertson
#5939

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