Quote:
Originally Posted by SentraSE-R
You can't fight the laws of physics.
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But you can modify them with effective aeromods to flatten out that drop in mpg with increasing speed (notice the Elantra's line compared to the others). On the Aerocivic, I flattened out that line so much that with my previous non-lean burn, 4 valves per cylinder engine, the improvement in BSFC efficiency as the engine load increased with speed counteracted the increase in wind drag to give me a flat mpg line from 45mph out to 65mph. That is not the case with my current lean burn engine that shows the typical drop in mpg with increasing speed, but it is a very minimal drop compared with most cars.