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  #1 (permalink)  
Old 08 May 2003, 02:40 am
Young Cruiser
 
Join Date: May 2003
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Default kn filter

HI EVERYONE. LOVE THE SIGHT. HAS ALOT OF USEFUL INFO. COULD ANYONE TELL ME HOW MUCH HORSEPOWER IS GAINED BY JUST ADDING A KN FILTER? THANKS.
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Old 08 May 2003, 02:59 pm
Cool Cruiser
 
Join Date: Apr 2003
Location: Manchaca, TX, USA.
Posts: 244
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50 to 60 HP, tops. And if you believe that, I have a Johnson Bar suspension mod to sell you. I added one to our Turbo Cruiser and did notice a pleasant sound change and a little quicker turbo spin up, but no real push into the seatback gains.

Mike
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Old 08 May 2003, 08:47 pm
Young Cruiser
 
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thanks for the info mike[8D]
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Old 08 May 2003, 09:39 pm
Obsessed Cruiser
 
Join Date: Sep 2001
Posts: 27,758
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Onyx,

Here's a write-up done honestly on adding a K&N kit to a non-turbo PT. Good reading:

http://www.ptcruiserworld.com/tenart...?sid=8&aid=159
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Old 08 May 2003, 10:01 pm
Fanatic Cruiser
 
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Location: Brunswick, Georgia, USA.
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Here is an interesting question and food for thought...

If the intercooler conditions the air between the time the air intake takes it in and the time it reaches the actual throttle body, and realizing the the compression of the intake air in the turbocharger makes heat as a by-product, does a cold air intake really add a real-world benefit in air temp?

I know it may help to increase volume, but does cooler air going into the turbo, heated up there, out through the charge air cooler plumbing, conditioned by the inter cooler and finally to the throttle body actually see any benefit from possibly lower temperature air pulled in through a CAI system?

Not an argument, just a thought to ponder..
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Old 08 May 2003, 11:52 pm
Cool Cruiser
 
Join Date: Apr 2003
Location: Manchaca, TX, USA.
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Well, not really, but most CAI systems are much freer breathing and usually have a high flow air filter. So, they flow more air. But on a Turbo, I see no value for a CAI, cuz cold air in, turbo, hot air out to the intercooler, then to the throttle body.

Good point Dalite...

MIke
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Old 09 May 2003, 07:56 am
Young Cruiser
 
Join Date: May 2003
Location: Pembroke, MA.
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Something to keep in mind. A turbo charge is not a positive displacement pump so any restriction you put on the inlet will reduce it's effeciency. The primary benifit to less restriction is quicker spool up. The cold air benefit is the same regardless of whether the motor is a trubo or AN. Colder air is going to see less temp rise in the turbo, less heat for the intercooler to remove and ultimately a cooler charge into the engine.
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\'03 GT, Electric Blue
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Old 09 May 2003, 09:08 am
Dedicated Cruiser
 
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Location: Chicago, IL.
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Can somebody tell me what these guys are talking about?[:I] I tested my Turbo after I put in my K/N air filter and got another 90 horse power, next I'm going to add a fuel injected blower Hemi on top of my hood/ what do ya all think?
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Old 09 May 2003, 10:40 am
Cool Cruiser
 
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Location: Manchaca, TX, USA.
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If you got 90 horse power from the K&N air filter, you should pull at least 150 from the Hemi hood mod. Then to really go for broke, add a Type R sticker to the tail gate. Wow, a 500 horse power GT Cruiser.

Mike
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Old 09 May 2003, 07:11 pm
Dedicated Cruiser
 
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exactly> what he said[:I]
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