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Each to there own..............................Just as a little point, a lot of heat escapes from right where the turbo and decat is so cant be a bad thing IMO!
 

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www.rsmegane.com
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you think renault designed the car in an afternoon? its like it is for a reason, only reason you'll notice the heat is if you remove the turbo cover which in itself is designed to keep heat in the turbo area and to exit in a particular way outwards and backwards from the car, not my words TDFs.

lifters make it look like its been in a front end impact.
 

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The faster moving air over the bonnet actually prevents the slower air from inside the bonnet escaping as you would imagine. Somewhat simmilar to angle of attack for an aircraft wing.
 

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The faster moving air over the bonnet actually prevents the slower air from inside the bonnet escaping as you would imagine. Somewhat simmilar to angle of attack for an aircraft wing.
Having said that there is a high pressure zone near the top of the bonnet on the scuttle panel so there is the potential to force ambient high pressure flow in to the area at the back of the engine bay. Overall affect may be negligible but would be interesting to rig some thermocouples up and see the variation.

Either way it looks pants. ;)
 

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Quite possibly, but you never seem to see it on 'race' cars either. Maybe they just think it looks pants too ;)
 

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Quite possibly, but you never seem to see it on 'race' cars either. Maybe they just think it looks pants too ;)
Race cars. Different application. Always moving. Always have good airflow over and through the car so not really the same as a road car application. Application specific not one solution for all dear boy.

Either way, cooling or not, its not a good look. ;)
 
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