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post #1 of (permalink) Old 11-12-2003, 09:35 PM
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Would a cold air intake..........

be too cold? I put an open element filter on my '80 GMC. I bought a cleaner off an '84 to put back on and I want to put the cold air back to it. Would the air be too cold if I cut out that little plastic thing in the front? I have an edelbrok carb on it and headers, so I don't have the little heater from the manifold on there either.

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post #2 of (permalink) Old 11-12-2003, 11:43 PM
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Re: Would a cold air intake..........

dosent seem like it should be a problem i have an open air filter headers with no heater tube and edelbroke carb runs grate, you might need to let it worm up a litel longer
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post #3 of (permalink) Old 11-14-2003, 09:49 AM
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Re: Would a cold air intake..........

I have my own cold air intake, it sucks out of the passenger fender. I have no heat riser off the headers.

If you cut out that plastic thing that is on the opposite side of the core support (it twists out by the way so you don't need to cut it) then you'll have dirt, bugs, water, and snow going up into the plumbing. I have experience on this matter.

In the wintertime I remove my tube that goes between the air cleaner and the fender so it sucks in engine heat.

For each 5F decrease in air temperature you gain 1% horsepower (rough equation based on air density). That means if it's 70 outside and 150 under the hood you can gain 15% more ponies by sucking air from outside rather than an open element as long as you aren't sucking from a low pressure zone or have restriction.

150 is a reasonable temperature for underhood since that's right about when gasoline starts to boil.
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