Timing also plays a large role-
the more advance you can get away with, the better your mileage, up to a point.
And since timing is dynamic, a good dizzy with the right curve can make a big
difference.
fwiw,
Toby
> All...Thanks for your Solvang MPG info.
>
> I was driving a JDM H20 engine with su carbs on a 411
> intake manifold. I travelled with two other roadsters
> in a caravan.
>
> At the fill up, we had travelled 149 miles. My car
> took 7.6 gallons. Bill's U20 took about 5.7 (?), and
> Gene's U20 took less than 5 gallons.
>
> I don't think my carbs are too far off the mark, but
> I'm sure there is room for adjustment.
>
> Dan Zubkoff
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