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Stupid Question... Needs Answer

 
  #1  
Old 12-26-2008, 10:41 AM
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Arrow Stupid Question... Needs Answer

This is a stupid question i guess in my opinion but i was wondering i finally bought my f150 harley and the motor had the cold air intake in an open box... Which is better or louder? Open box or a closed Box?
 
  #2  
Old 12-26-2008, 10:42 AM
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Any Suggestions? does it make it go faster one way or another? what do you guys think?
 
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Old 12-26-2008, 11:06 AM
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I don't think either are louder than the other. The primary soucre of intake noise is the intake pipe and the air pulses in it. Its why stock intakes have baffles attached to the pipe.

As to faster, its going to be minimal (not enough to make a lot of difference by itself) and it depends on who makes it.
 
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Old 12-26-2008, 11:15 AM
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Thanks alot... so by far most then just leave it how it is...i guess... im still trying to find Stats on the engine part of the 2003 F-150 Harley.
 
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Old 12-26-2008, 12:03 PM
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Originally Posted by pj212 View Post
Thanks alot... so by far most then just leave it how it is...i guess... im still trying to find Stats on the engine part of the 2003 F-150 Harley.
340 HP from the factory.
 
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Old 12-26-2008, 12:19 PM
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wow!!! didnt even know.. Preety Badass lol thanks...
 
  #7  
Old 12-26-2008, 06:02 PM
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Wow sorry about these stupid questions its that i can never find anything on the net... but i was wondering what exhaust system did the 03 HD come with?
 
  #8  
Old 12-26-2008, 10:32 PM
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https://www.ford-trucks.com/specs/20...rley_f150.html
https://www.ford-trucks.com/specs/20...ey_f150_1.html

"Uniquely tuned high performance exhaust system with dual inlet/dual outlet muffler and "slash-cut" 3-inch chrome tips"
 
  #9  
Old 12-30-2008, 09:07 AM
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Another Dumb Question Gasoline Wise Only Premium Right? For The Hd? Or What Are You Guys Opinions?
 
  #10  
Old 12-30-2008, 09:28 AM
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Yes, premium only. Its in the owners manual.
 
  #11  
Old 12-30-2008, 11:59 AM
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Thank you very much you have been very helpful..
 
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Old 12-30-2008, 05:45 PM
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Is it really worth the waste? does it make a difference preformance wise?
 
  #13  
Old 12-30-2008, 06:32 PM
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With the supercharger the compression is up and it needs higher octane in order to prevent pre-detonation. Too much ignition timing with too low an octane fuel and its like playing with fire.... eventually you'll get burned. Its especially critical to run high octane (91 minimum but try for 93) in the winter.
 
  #14  
Old 12-30-2008, 06:39 PM
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alright i see what your saying yea i rather not risk it ill just pay off the extra 30 cents
 

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