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Originally Posted by wovenweb
Because the marketing guys told them to?
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Already posted by Mc Cronk:
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Back when I was racing my 67 GTO I tested a Ram Air pan at the track on back to back runs. I did have a open scoop and removed the hood bracing per the factory instructions. I picked up almost a tenth. I had kept very detailed records of each mod I did and would test several times to see if I could confirm the results. That set up was consistent for at least half a tenth to almost a tenth. I don't believe it actually provided a "ram effect" but did seal out the hot underhood air and allowed cooler outside air in.
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There were plenty of road tests with Pontiac non ram air cars, vs ram air cars. The ram air cars came out on top, proves it to me. My own GTO converted ran better with no other changes other than opening the scoops and adding the RA parts.
For the time being it's a free country, believe whatever you want to, even if you fly in the face of facts...……..
