North American Turbocoupe Organization



Cold air induction test
RiglerTKE Offline
Member
#1
Check out article about the benefits(?) of cold air induction. It will surprise you!

http://66.96.130.106/archives/2002/03/co...ndex.shtml
Todd Rigler
87 TC Stock except for brake swap.
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Rodger Offline
Member
#2
They only compared two different filters. Both conditions used cold air. Therefore it was not a cold vs warm air test. I guess they only proved that, on that Mustang, the stock air box is as good as the cone filter.
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KMcGrathNJ Offline
Senior Member
#3
I read the same article. All I can go by is personal experience. I have the K&N mounted in front of the radiator, just above the air damn. I figure thats as cold as its going to get, sort of a ram air by thier definition too. Since I did that, the throttle response has been incredible. If a move the pedal at all, push down, let up what ever, the engine reacts instantaniously. I can definately feel it when I stomp on it too. In my opinion, and only my opinion. It is an incredibly cheap mod that makes one hell of a difference.
Kevin


88 TC T5;White/Red; All options exept Leather; Front Mounted K&N cone filter; 140 Speedo; Superchip; Gillis Boost Valve; Custom vac/boost-volt-temp gauge cluster in console Ground Effects; Spoiler; Blaupunkt H/U; Boston Accoustic 3 1/2" in dash; Polk 6" in doors; Infinity 5 1/4 component in rear deck;
Rockford 10" sub; (2) Alpine amps


Near Future -Paint
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RiglerTKE Offline
Member
#4
Quote:Originally posted by Rodger:
They only compared two different filters. Both conditions used cold air. Therefore it was not a cold vs warm air test. I guess they only proved that, on that Mustang, the stock air box is as good as the cone filter.


No they changed the location of the filter so that I will draw colder air. The original location draws the hot air. I was just wondering what people's experiences were.
Todd Rigler
87 TC Stock except for brake swap.
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Walsted Offline
Posting Freak
#5
To quote from the article :
Quote:Both the stock air-box and the Moroso kit pick up air from the same source -the right fenderwell. So the quality of air entering the engine is not changing.



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Mike Walsted - NATO member
1986 5-speed TurboCoupe and 1985 5-speed XR7
Mike Walsted - Sold my 1986 5-speed TurboCoupe
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RiglerTKE Offline
Member
#6
The intention of the article was to determine if the cold air induction kits actually improved performance by relocating the filter to the fenderwell to draw colder air. The article was not to compare two different filters. The articles conclusion was that it made no improvement over the factory system; If that is the case they need to look over their scientific process. By relocating the filter the results will be skewed. If they want to compare two filters they would need to compare apples to apples and use the same location!


Some quotes from the article:
"You've heard the hype and the claims, but does anyone know for sure whether cold air induction kits actually offer any benefits over the stock air box?"

"The fenderwell kits boast that they are picking up colder air by moving the filter into the fender."

"It is pretty conclusive that the aftermarket conical filter, relocated to the fenderwell, offers absolutely no performance advantage over the stock air box fitted with a clean K&N panel filter."

That is how I understood the article. As I always say, “I could be wrong.”
Todd Rigler
87 TC Stock except for brake swap.
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Walsted Offline
Posting Freak
#7
I think they were trying to determine if the Moroso kit was worth the money. Obviously it wasn't in this case. Since the stock air box already gets cold air (as it does in our cars,) replacing the stock air box with a cone does not affect the temperature of the incoming air.

To determine if the effect is really from cold air, they would have had to attach the cone filter directly to the MAF (or otherwise route it inside the engine compartment) and make some runs, and then install the Moroso Kit (or otherwise relocate the cone to get non-engine compartment air) and make more runs. In this article, however, all they actually ended up testing was the flow difference between the stock airbox and a cone filter, which was insignificant in this particular case.

Now I could be totally wrong about this, (and it wouldn't even be close to the first time I've been wrong,) but I think the reason that the stock airbox gets replaced by the K&N in our cars so often is primarily due to the differences in flow between the cone filter and the airbox. It looks like the airbox they had for this article was a lot less restrictive than ours, so it would flow better than ours.

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Mike Walsted - NATO member
1986 5-speed TurboCoupe and 1985 5-speed XR7
Mike Walsted - Sold my 1986 5-speed TurboCoupe
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Noname
Unregistered
#8
Well I don't think an article like that applies to our TCs. It looks like the air box in a 5.0 is setup better than a TC. THe TC's kinda sucks air in from one side goes down another side, then down and around into the VAM. It just looks like it flows bad. The filter on the mustang is just so simpe, the air comes right through the fender, through the filter, and to the meter. Maybe a cold air kit on that car doesn't change, but I definately think it improved a hell of a lot on my TC, it definately depends on the car. Also that moroso kit is probably over $100, my cold air was homemade with I/C pipes and a $40 K&N. :-) My TC thanked me for the cold air.

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1988 TurboCoupe - 5 Speed
5"x8" K&N / Cold Air Intake, Gillis Valve @ 18 psi, 3" DP, 3" Cat, Dual 2.5" UltraFlos, Centerforce Dual Friction Clutch, Pro 5.0 Shifter, Autometer Boost/Vac & Air/Fuel Gauges
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jbsguy Offline
Junior Member
#9
I have to agree w/KMgrath on this one. I took the stock air box completely off. Using light weight aluminum I constructed a ram air type system with an inline filter. The results were phenominal. I have a lot better acceleration off the line and through the gears. The forced air induction allows the turbo to work more efficiently by keeping it cooler and allowing an easier high volume air flow. By doing this and a couple other inexspensive mods I was able to shave 1.2 seconds off my 1/4 mile. I currently run a 14.3 but more mods are on the way. Possibly nitrous.
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