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Here's a couple images of the quick and dirty ram air. Just a 4" Dryer duct, duct taped to a 4" PVC 90 degree then duct taped to my air box. Wish I had a magnahelic gauge, but I can try the SG to monitor voltage like you suggested. I also intend on monitoring the ignition advance to find the ideal intake temps, or the temp at which it pulls timing.
I'm not too surprised that the ram air pulling in 30 degree temps is slightly worse than the mild HAI pulling in 80-100 degree temps. The question is, Is the ram air better than no ram air, once you eliminate the huge temp difference, we'll see....
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