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Stan · 03-17-2008, 02:31 PM

I'm with aerohead on this one. That rear diffuser looks even more aggressive than the ~9 degrees we use for maximum downforce on our 150 mph sports racers. OTOH, at low enough speeds, maybe the airflow remains attached even at that steep angle.

At the front end, those running lights do nothing but add drag, and even the modified grill opening is still too big IMO. On our race cars, we provide just 1 square inch of opening for every 4 hp (with full ducting to the cooler).

03-17-2008, 02:31 PM	#9 (permalink)
Stan EcoModding Apprentice Join Date: Jan 2008 Location: SF Bay Area Posts: 150 Silver Bullet - '02 VW Golf TDi Thanks: 5 Thanked 16 Times in 11 Posts	I'm with aerohead on this one. That rear diffuser looks even more aggressive than the ~9 degrees we use for maximum downforce on our 150 mph sports racers. OTOH, at low enough speeds, maybe the airflow remains attached even at that steep angle. At the front end, those running lights do nothing but add drag, and even the modified grill opening is still too big IMO. On our race cars, we provide just 1 square inch of opening for every 4 hp (with full ducting to the cooler). __________________ Best tank ever: 72.1 mpg in February 2005, Seattle to S.F. New personnal best 'all-city' tank June '08 ... 61.9 mpg! Thanks to 'pulse-n-glide' technique.