chadszx14
Novice Class
Posts: 31
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posted April 11, 2010 02:29 PM
200hp on motor
i was just wondering what i could do 2 my 14 to get 200hp on motor....i was thinking about getting head work, port polish and maybe some cams....i like 2 ride my bike alot on the street 2 because i ride it 2 work alot and was just wondering if i did all this would it hurt it any from riding it alot....im looking to go to nitrous one day but not right now i wana make all the power on motor that i can first.....any thoughts or sugestions?..thanks 2 every 1 that will replay and help
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06 14, stertched 9" over stock,dyno jet pc3, star racing custom map,16-44 sprockets, 7" fold out touch screen, GPS, full muzzy exhaust
  
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jpooch00
Novice Class
Posts: 77
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posted April 11, 2010 02:37 PM
My understanding is that all you have to do is go about 180 MPH and the engine will be producing 203 HP due to ram air charging. At least that's what the factory propaganda claims.
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zx14fan
Zone Head
Posts: 547
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posted April 11, 2010 02:47 PM
Most people think that polishing a head helps with the flow but it really does nothing at all.Its all in the shape that makes it flow.Even some nascar heads have dimples in certain locations in the port for better flow.its not only the size but but the shape thats inportant
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Shane661
Needs a life
Posts: 11494
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posted April 11, 2010 02:53 PM
 Edited By: Shane661 on 11 Apr 2010 22:56
quote:
Most people think that polishing a head helps with the flow but it really does nothing at all.Its all in the shape that makes it flow.Even some nascar heads have dimples in certain locations in the port for better flow.its not only the size but but the shape thats inportant
From what I've been told, polishing can help in some cases. The reason is that it reduces the size of the boundary layer, in essence increasing the size of the port.
All that being said, a good cylinder head can get you there reliably. Contact Y2KZX12R, or go to http://www.competitioncnc.com.
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LAB3
Needs a job
Posts: 2977
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posted April 11, 2010 03:26 PM
Big cams are Hard on valve guides. Street bike that I wanted to last 30,000 miles I
would pass on Big Cams. Multi angle vale jobs seldom last as long as stock on high
milage street engines too. Tried all this years ago on FJ1200, still have it :-)
Louis
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06redzx14
Pro
Posts: 1022
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posted April 11, 2010 05:20 PM
port, polish, and shave a little off the head
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06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot
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06redzx14
Pro
Posts: 1022
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posted April 11, 2010 05:21 PM
the super sport bikes make over 200 without port work, but if you hit the limiter it's trash
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06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot
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SteddyTeddy
Pro
Posts: 1664
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posted April 12, 2010 05:08 AM
quote:
the super sport bikes make over 200 without port work, but if you hit the limiter it's trash
And at 15.5:1 compression ratio they do not make good street bikes!
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted April 12, 2010 05:58 AM
Its True, our Supersport zx14 Head can make 206 RWHP on a DJ250.
However, it is a very high compression engine and will need race fuel anytime its run under a load. So it would be expensive to run it on the street. Rickeys Bike made 206 at Daytona.
The supersport head on a GSXR1000 will make well over 190 RWHP on a dj250.
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Y2KZX12R
CompetitionCNC.com
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Hellmutt
Needs a job
Posts: 2013
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posted April 12, 2010 07:48 AM
Personally, if you want reliability with 200hp......just throw a 30 shot on your stock motor and use it whenever you want it. There's some guys here that's done it and seems to keep the bike streetable with little to no problems mechanically.
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British flying couch with endtables and an orange thumper
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