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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: Putting on a scoop.
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Sun, 17 July 2005 14:09
 
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as discussed previously (and pics posted twice) the base of the windscreen is a relatively high pressure region, and raising rear of bonnet may not actually help, but hinder venting.. ideal place seems to be about 2/3rds of the way along th ebonnet, ie after front high pressure, but before windscreen high pressure region.
the prob is that there is a massive amount of air coming thru the radiator, but it is difficult to remove it.. need to either exclude air from under engine bay or provide low pressure vents on tp (celica GT4 are ok.. has raised bit before vent to give a small localised low presure region). by puttign a front facing scoopm you are just introducing mroe air into engine bay.. while it may help force more air out thru the rear of raised bonnet, this increased enginae bay pressure could decrease the amount of air going thru the radiator.... lower engine bay temps, higher radiator temps....
bestest way is to have front air dam that sucks air out from underneath, or well placed rear facing vents on bonnet...
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