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Old 07-13-2010, 07:50 PM   #71 (permalink)
bnmorgan
16 Ferret Circus
 
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Join Date: May 2009
Location: Ecru, Mississippi
Posts: 95

GrumblyDavidson - '00 Harley Davidson Road King FLHRP-I
90 day: 38.37 mpg (US)

Golf - '04 Volkswagen Golf GL-TDI
90 day: 38.29 mpg (US)
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i'm with you on the HHO/Brown's Gas. The lips may do nothing for the cars, but they helped my bike. I was just wondering if something similar as a break point at the top of the rear hatch window would do anything beneficial. Was looking at the VG stuff on autospeed, wondering about that sort of thing too.

I could see lift as a problem if i was trying to stay at 120mph average, but i don't even get up to 80, ever. no need for it. 75 on the 4 lane, 60 on the 2 lane. the whole idea of drag reduction may be moot with return on investment, which is what i'm trying to figure. I still aint sure if i'm better to break the flow clean or try to glue it down further. If that beetle flow illustration on the first page of the thread is right, it's a mushy break point, so either should be better, at least if i understand.

anyone have any data or online reading material on that kinda thing? something detailed but not rocket science would be nice.

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