Do cold air intakes really work? - Page 2 - Chevy Impala SS Forum
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post #11 of 21 (permalink) Old 03-27-2019, 10:26 AM
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As interesting as that is, I wouldn't want what could possibly be a torpedo in my trunk. Besides, I like the KISS approach. Fred's idea of the wrap was more what I had in mind.

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post #12 of 21 (permalink) Old 03-27-2019, 02:24 PM
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Just reroute the AC system to cool the intake manifold air instead of the cabin air. Dodge did it with the Demon and a number of automakers have at least considered it in the recent past.
https://www.roadandtrack.com/new-car...ng-power-tech/

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post #13 of 21 (permalink) Old 03-27-2019, 10:35 PM
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Another thing to try might be to have a tank with cold water that circulates through the TB where the coolant lines went. Instead of hot water instead us cold.


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post #14 of 21 (permalink) Old 03-27-2019, 11:09 PM
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Quote:
Originally Posted by Marky Dissod View Post
Unfortunately, Jason Fenske is wrong about the Dodge Demon being the 1st to use the AC system to temporarily increase the power output of a supercharged engine.

Some of you surely remember the SVT Ford Lightning. How many of you remember John Coletti's contribution to it?
.
Isnt the difference, the cooler is on a production demon and was on a concept lightning


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post #15 of 21 (permalink) Old 03-28-2019, 07:07 AM
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Actually I considered a cool catch type of approach. But instead of cooling the fuel simply wrap copper coil around the intake tube and put cold water through it. Ir maybe use an A/C unit to cool the outside of it.
Why not just use water injection?

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post #16 of 21 (permalink) Old 03-28-2019, 01:51 PM Thread Starter
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Quote:
Originally Posted by Marky Dissod View Post
Unfortunately, Jason Fenske is wrong about the Dodge Demon being the 1st to use the AC system to temporarily increase the power output of a supercharged engine.

Some of you surely remember the SVT Ford Lightning. How many of you remember John Coletti's contribution to it?

The SuperCooler system only works on turbocharged or supercharged engines equipped with a liquid-to-air intercooler [including turbodiesels]. It needs an additional tank and some extra plumbing.

The vehicle's AC compressor chills a tank of antifreeze to about 30F.
When the driver opens the throttle, the coolant in the intercooler is bypassed by the chilled glycol.
The system drops the intake air temperature from 120F to between 50F and 70F.

Once the glycol passes through the intercooler, it circulates back into the tank, where it is chilled again.

It never needs refilling, never wears out, requires no additional maintenance, and has no emissions effect.

The four drawbacks are slight:
1. The additional horsepower lasts only as long as the supply of chilled glycol.
2. The system adds around 25lb.
3. Fuel economy is slightly lower because the air conditioning compressor is running more often.
4. The SuperCooler adds around $750 in cost.

A 3.0 gallon tank of chilled glycol provided the 5.4L supercharged V8 about 45 seconds of effective superchilling.

Can any of you think of why supercharged Cobras did NOT come with this?

I don't see how atmospheric engines would benefit from this directly though; we have no use of an intercooler, even if it gets chilled from time to time.

That fart-charging thing looks like it would work better for atmospheric engines.
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Isn't the difference, the cooler is on a production demon, and was on a concept lightning?
Since I never cared enough about SVT Lightnings to ask anyone if I could gawk at theirs, you're probably right, since it was on the '93 Mustang SVT Mach III concept.
Coletti patented it, though - U.S. patent 6006540A, in December '99. Is he getting a piece of every Demon? …

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post #17 of 21 (permalink) Old 03-29-2019, 02:32 AM
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Quote:
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Why not just use water injection?

Well that is an option. But sooner or later the water will run out. Where if you have a closed system the water will always flow through and cool the TB. Even if it is no super cool it will cool lower than the intake temp. Now something I have considered is a hybrid system with a fuel injector to make the intake a wet intake for the purpose of cooling the intake charge. Therefore it will come from the same supply as the other injectors and no chance of running out of a seperate source like water or methanol injection.


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1996 Federal hearse. CAI, Delphi 3.5 MAF, Aluminum elbow, airfoil, coolant bypass mod, 36lbs injectors, LE 223/231 110 LSA cam, Trickflow pushrods, Comp Cams rocker studs, Lunati 1.6 roller rockers,double spring kit and lifters, F-body heads, Cometic MLS .027 head gasket, Hooker headers, Cloyes timing chain, PowerBond balancer, EGR, air pump and AC delete. Solomon tune. CPT Pro-Race trans, 9.5 inch 3200 stall converter, 9.5 inch 14 bolt rear, 4.10 gear and TruTrac helix gear diff
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post #18 of 21 (permalink) Old 03-29-2019, 03:23 PM
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Quote:
Originally Posted by sherlock9c1 View Post
Just reroute the AC system to cool the intake manifold air instead of the cabin air. Dodge did it with the Demon and a number of automakers have at least considered it in the recent past.
https://www.roadandtrack.com/new-car...ng-power-tech/
Not sure exactly how you would set that up with a non-intercooled vehicle, but they sell kits that work VERY well in factory boosted applications. There are a couple CTS-V's running around town that will see 80 degree IAT's even on an Arizona summer day.

https://fiinterchillers.com/products/

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post #19 of 21 (permalink) Old 03-29-2019, 04:50 PM Thread Starter
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How Water Injection Can Produce Big Horsepower Gains

Instead of chilling the coolant running thru the intercooler - irrelevant to us - BMW injects H2O directly into the inlet manifold. The H2O vaporises, dropping intake air temp & adding knock resistance.

Adding water vapor seems much easier than trying to drop naturally aspirated air below ambient temps directly.

This looks like it could be done to atmospheric engines.

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post #20 of 21 (permalink) Old 04-03-2019, 12:30 PM
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Quote:
Originally Posted by Marky Dissod View Post
Since I never cared enough about SVT Lightnings to ask anyone if I could gawk at theirs, you're probably right, since it was on the '93 Mustang SVT Mach III concept.
Coletti patented it, though - U.S. patent 6006540A, in December '99. Is he getting a piece of every Demon?
It never made it to the lightning. It was a feature of the Gen 3 lightning that never came out after the redesign of the F150. We got the Raptor instead.

Quote:
Originally Posted by The Stickman View Post
Well that is an option. But sooner or later the water will run out. Where if you have a closed system the water will always flow through and cool the TB. Even if it is no super cool it will cool lower than the intake temp. Now something I have considered is a hybrid system with a fuel injector to make the intake a wet intake for the purpose of cooling the intake charge. Therefore it will come from the same supply as the other injectors and no chance of running out of a seperate source like water or methanol injection.
Do you live somewhere where water is hard to come by?

Seems the only real application would be for drag racing consistency. VS $3000 for the interchiller posted here...seems like the more practical solution. There's plenty of room for any size storage tank you would want in the B-body if running out is that much of a concern.

Don't see why you would need more than a gallon or two for a day of racing.

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