Quote:
Originally Posted by 99mcougar
I always thought it takes more gas to start up your car then letting it idle for a bit. I'm hitting 30mpg on the highway, and thats setting the cruse at 115km/h, now if i were to set it at 105 or something my gas milage would probably increase a couple..
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Not so with fuel injection. With carburation the rule of thumb was 20 seconds or less, leave your engine run.