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Ram Air or Cold Air?????

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Old Apr 7, 2005 | 01:06 PM
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ALLBlackC6
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Default Ram Air or Cold Air?????

I understand Ram air forces air into the motor and Cold Air sucks it from underneath. What are the performance differences? Which is better and which do I want?
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Old Apr 7, 2005 | 02:11 PM
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From: Imperial Beach CA
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Originally Posted by ALLBlackC6
I understand Ram air forces air into the motor and Cold Air sucks it from underneath. What are the performance differences? Which is better and which do I want?
Interesting, I just measured the ambient (outside) temp against the inlet air temp with thermocouples and a digital thermometer, it was the same at 70mph. As far as ram air I think you would need some air scoop to increase air pressure at the inlet but what happens with a tail wind.
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Old Apr 8, 2005 | 09:46 AM
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Ram air systems do produce quicker ets and higher mph's. One of our customers has already gone 3 tenths and 3 mph quicker. I have another customer that has gone from 13.0 in a stick C6 to 12.2 with the Vortex, Headers and exhaust.

Ernie
www.BreathlessPerformance.com
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Old Apr 8, 2005 | 11:09 AM
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Default sounds sill but

Ram air only works if its cold air. And only because its colder then underhood air. Air does not compress untill at least 300mph, thats why turbo's and superchargers (centripital type) need to turn so quick. It might work a little on big top fule cars but nothing at normal speed. I think any gain by ram air is simply because the intake is less restrictive/ the air is colder, there is no compression effect even at maximum speed.
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