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Does a Plenum make that much of a difference for our 996?

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  #16  
Old 04-29-2009, 03:21 PM
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I guess we have a filter on this site. Sorry!!!
 
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Old 04-29-2009, 03:31 PM
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Just having a little fun. We've all been there at one point, so don't worry about asking questions!
 
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  #18  
Old 04-29-2009, 08:31 PM
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Champion plugs are a must too.
 
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  #19  
Old 04-29-2009, 09:25 PM
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Originally Posted by Doug996InKC
https://www.6speedonline.com/forums/...ke-plenum.html
Here ya go... everything you ever wanted to know, and more.
wow. That was an interesting thread. After reading it I'd buy one on a GP.
 
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  #20  
Old 04-29-2009, 10:18 PM
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I have installed aftermarket software,catback, underdrive pulley and IPD plenum and of this list of mods IMO the IPD plenum is the single best mod I have installed, so I am one of the believers.
 
Last edited by Slowcart; 04-29-2009 at 10:25 PM.
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  #21  
Old 04-30-2009, 06:07 AM
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Slowcart - you are the first I've seen with the underdrive pulley. What are your thoughts on that? I think they claimed +6HP. Can you tell any difference in the steering or A/C performance?
 
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  #22  
Old 04-30-2009, 06:07 AM
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Gained 42.73 hp from it and have the proof...just cant find the paper work right now....fn dog
 
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  #23  
Old 04-30-2009, 06:22 AM
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Dont really know how much the pelnum upgrade makes by themself. I had mine done along with the 24/18g setup so the power difference was extrem. I know it wasn't cheap just by looking at the part itself.
 
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  #24  
Old 04-30-2009, 03:47 PM
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Originally Posted by mathism
Slowcart - you are the first I've seen with the underdrive pulley. What are your thoughts on that? I think they claimed +6HP. Can you tell any difference in the steering or A/C performance?

It's all good no downside but you can get more info from BBI at 714-843-0200
 
Last edited by Slowcart; 04-30-2009 at 03:49 PM.
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  #25  
Old 04-30-2009, 03:55 PM
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^ I've never been a fan of underdrive pulleys that remove the harmonic dampener on the crankshaft. It's not something that will manifest itself in a short term problem, but will long term.
 
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  #26  
Old 01-17-2012, 01:19 AM
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Typeof Car wash you use has the Most Effect
 
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  #27  
Old 01-17-2012, 06:59 AM
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Originally Posted by stephan79
This tread has been so funny. Im waiting for someone to say that Chrome adds horsepower too...lol
Noob. EVERYONE knows chrome doesn't add HP.

Stickers do.

 
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  #28  
Old 01-17-2012, 01:42 PM
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Kit
Hello Stephen,

I am thinking of getting the kit. What kind of gas mileage are you getting and any other tips or advice will be greatly appreciated.

I have a 2001 C2

Thanks
Alam
 
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  #29  
Old 01-18-2012, 08:57 AM
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Originally Posted by alam
Hello Stephen,

I am thinking of getting the kit. What kind of gas mileage are you getting and any other tips or advice will be greatly appreciated.

I have a 2001 C2

Thanks
Alam
Fuel Economy hardly changed if any. If your right foot isn't buried in the loud pedal shes very tame and fuel efficient, same as stock 17mpg+ but you open up the Turbo and start dumping fuel through the 440cc Injectors and she will go through it pretty fast.

2000+ is a breeze for the kit, high quality parts, lots of power. I have a 99 C4 which is a little trickier. Vivid Racing is having my ECM Custom Mapped vs. 2000+ cars can use Softronic.
 
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  #30  
Old 01-19-2012, 07:01 AM
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Thank you!!
 
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