Quote:
Originally Posted by Tahoe_Hybrid
the belly pan is a good idea it will need some air flow to prevent the gas from boiling(i live in the desert it gets upto 110-115 in the summer 90-100f is common)..
how do go about fixing the rear as the air issue (the air from the underbody gets shot straight up in the air exiting from the rear end) i guess this could be a significant source of drag
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Is there a high pressure fuel pump in the tank? This has largely removed vapor lock in modern cars. Also I believe there is a return line so fuel should always be circulating to the tank, helping keep the lines cool. Insulate the fuel lines if necessary.
Read up about rear diffusers. Ideally the rear 1/3 of the full belly pan should taper upward slightly. Aerohead has suggested 5 degrees above horizontal is best for low drag. This reduces lift and drag and helps fill the rear wake.
Belly pans from the manufacturers leave the exhaust uncovered. This allows heat to escape while giving much of the benefit of a belly pan.