Quote:
Originally Posted by SDMCF
It seems to be one of those things where you can argue it either way. The only way to be sure is to test it. I don't have a scan gauge but I can get some idea from the standard instrumentation on the car. I'll check it on some trips in the next few weeks and see what I find out.
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I suggest you get one, or an equivalent tool like Ultragauge or bluetooth obd adapter and smartphone app (torque is one).
You don't want to go too fast or aerodynamics start working against you. You don't want to go too slow or you'll have to drop a gear or two and that costs a lot of fuel. We all have to work with traffic around us so a more steady speed is better for everyone, not just you.