Quote:
Originally Posted by Sven7
I've seen VW guys take the entire motor and everything out, and plug the hole with a little rubber plug. It would be more advantageous of you to do belly pans, wheel covers and rear wheel skirts if you haven't already.
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Lots of good advice in these posts. I'll add my agreement and my own experience. I removed both of mine, left the motors in place, left the bolt in place, kept one wiper inside the car for surprise rain events, applied RainX, and don't worry about it. The difference will not be detectable by itself. It is partly from the tiny weight reduction and partly from air flow (I can hear some of you howling). My program has been to find a thusand small--even micro--changes for weight and aero and efficiency and pile them up. That's how I get to 61mpg in my 90 day average while maintaining 90-100% of the posted speed limits. But Sven7 is absolutely right... you will get better results from other mods... make sure you do those too. Cheers.