Quote:
Originally Posted by fabrio.
I am confused from two image below, can you help me to understand wich is the reality?
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From the diagram,if the diffuser begins ahead of the rear suspension,go with 2-1/2-degrees maximum.
If it begins behind the rear axle go with 4-degrees maximum.
The 7-degree recommendation may be a compromise to road clearance and not really about aerodynamics.