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400EX with pipe, filter and jet kit

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Old May 12, 2003 | 12:12 AM
  #1  
POWER2BURN's Avatar
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Default 400EX with pipe, filter and jet kit

With one of the best fulL race exhausts, K&N air filter/air box mods, and Jet kit.

What kind of hp and torque improvement would that make?

Stock ranges from 27-30rwhp.
 
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Old May 12, 2003 | 01:02 AM
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BarelyLegal's Avatar
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Default 400EX with pipe, filter and jet kit

You'd have 27-28 HP.
 
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Old May 15, 2003 | 03:07 PM
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Default 400EX with pipe, filter and jet kit

I have a foam uni filter, 162 main, FMF open exhaust and Dyno'd at 29.1 in 1st gear and (for some reason) hit 30.4 hp when he went through the gears. That was a winter jet and in his shop it was a little rich, I run a 158 now, it might have hit 30 with this jet. you can see the chart on my web page for any one interested at http://www.qrab.ca/ in the general forum.

Rod
 
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Old May 16, 2003 | 06:14 PM
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Default 400EX with pipe, filter and jet kit

What kind of numbers could I expect from:
t-4
k&n power kit
hotcams stage2
11:1 piston?
 
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