Quote:
Originally Posted by Old Mechanic
If you get the SU working right it will beat the Weber easily. The first 240Zs with dual SU type carbs would do close to 28 highway. They ran lean enough that they were undrivable without manifold preheating under 55 degrees.
That "told" you they were set up about perfect.
Half the carb 1 for half the displacement no toilet accelerator pump, good old variable venturi with single point fuel delivery.
regards
mech
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How much gain are we looking at with a SU? That would be a dream come true to be up near or at 40 mpg.