Doug,
After installing my Cold Air Box, on my twin SU's, I noticed a marked
improvement in the performance of Huxley. (Your results may
vary)!
Joe
Douglas Braun & Nadia Papakonstantinou wrote:
>
> I have twin SUs, and I have been using stock filters without
> any additional housing. I was wondering if it would be worth the trouble
> to install the filter housing and the air hoses that go from the
> housing to the front of the engine compartment.
>
> Obviously the goal of this stuff is to get cooler air to
> the carbs. So I took an indoor-outdoor thermometer, with
> the temperature sensor at the end of a wire, taped the
> sensor to one of the air filters, and drove around
> for a while.
>
> Here are the results:
>
> Outdoor air temp: 80 deg. F.
> Air temp at air filter when driving 30-40 MPH: 102.5 deg. F.
> Air temp after idling 5 minutes: 135 deg. F.
>
> My conclusions: It's not really worth installing this stuff to
> get 22 degree cooler intake air. But it would definitely
> improve the idle. After idling for a minute or so,
> the engine starts running rougher.
>
> BTW, I have un-wrapped headers, which certainly emit more heat than
> the stock manifold.
>
> Doug Braun
> '72 Spit
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