Has anyone experimented with modifying the air cleaner intake to grab
fresh/cooler air in front of the shroud? I was thinking along the lines of
the earlier 6/Spitfire<?> with the two small diameter hoses running between
the AC housing and the shroud. I recently fabbed a sheet metal 'snout' on
to the front of my spare AC. It terminates in a 4" diameter tube which is
connected via rubber (sewer pipe!) connector through a hole in my aluminum
shroud. I also opened up the two rectangular holes on the front of the AC
a bit. The math shows that the old opening (including the bottom rear
opening) was ~8.5 sq inches. The revised opening is ~12 sq inches.
Question: Bigger is better? As in more air flow.
Question: Will this have an effect on the A/F ratio (good or bad)
I've read a little about the theoretical 1% increase in HP for each 11
degree drop in temp(related to air density). I've measured my air temps.
Inside the stock AC it was ~125 degrees F after a 20 minute drive, while
the air temperature in front of the shroud was ambient (77 that day).
Question: 48 degree drop gives me 4 more HP? What's the catch?
Like I said in my last post - I've got too much time on my hands....
Rick Olson 'digesting'
'72 TR6 - CC78827U/HVDA
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