C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Under hood air temp. test

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Old 07-21-2001, 11:45 PM
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Larrym96815
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I hear so much about the cool air coming from the front of the radiator creating more HP (like the "ram air" set ups use) than the hot under hood air from the air filters original position. So today I tried a test. I have a digital thermometer with two probes to register two different temps at the same time. It registers within .1 degree. So I installed one sensor in the air pick up area used by the after market ram air set ups and the other probe placed inside on the filter in the stock location. I then went for a thirty mile drive. About half in city driving and the other half on the open road. The outside air temperature was 85' The results were:

Old 07-22-2001, 12:15 AM
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bogus
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I am not suprised the temps are the same... what I would wanna know is what is the volocity is like.

Also, the pressure of the air at the location has a major inpact. That is why air drawn from the windscreen header is the best... low pressure. One of the BEST places to get air for pressure, is right above the tires. But the dirt will kill the filter!!!



Old 07-22-2001, 02:53 AM
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JOHNL
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Cool test.

Old 07-22-2001, 02:58 AM
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MJ
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Larry, Larry, Larry, You've got too much time on your hands buddy. You need a hobby. C'mon, start going out to the track with the rest of us!
Mike
Old 07-22-2001, 03:41 AM
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Larrym96815
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Mike,

I am afraid to get hooked again. Been there, done that! Besides at my age I have trouble seeing after dark

Larry



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