Block Off Plates - A few related questions ... - Kawasaki
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post #1 of 6 Old 04-27-2008, 09:59 AM Thread Starter
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Block Off Plates - A few related questions ...

I know these questions have probably been discussed here, but there are too many search hits to read through. I apologize for adding another thread to the fray.

Question #1 - Would a simple single hose connecting the two stock plates serve the same purpose as purpose built aftermarket plates (assuming the air box hole is plugged, too)?

Question #2 - I'd like confirmation of what I think the stock set up is suppose to accomplish. It is my understanding that they introduce filtered air into the exhaust ports to encourage additional (secondary) combustion to reduce CO2. Correct? Is there less pressure in the exhaust than the air box to draw the air?

Question #3 - What exactly is the benefit of block off plates?

I'm considering doing something for my race car engine, not a street driven bike, if it makes a difference.

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post #2 of 6 Old 04-27-2008, 06:45 PM
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Does not give any extra power.
It avoids back firing, and a oxigen sensor stable reading
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post #3 of 6 Old 04-27-2008, 06:49 PM
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lol when i installed my IVANS kit I thought about that. :)

2005 PMR. Full Ti Evo 2, BMC Race, V-Stacks, PC3, IG Module, DJ QS (not installed), 1/5th throw (not installed), -1 +2 with Gold RK Chain, Speedo Healer V4, Removed 2ndaries, Red GiPro, Pilot Powers, Dual H.I.D.s, Brocks brackets and strap, Rear 2" Muzzy Drop, Vortex Rearsets, Scotts Damper, 2 HyperPro Dampers, Puig DB, ASV Levers, Titax Levers, Pazzo Levers, Kill switch (made to look like it's mounted), CA front/rear lights and a owner who adores her...
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post #4 of 6 Old 04-27-2008, 07:45 PM
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you can also turn them into additional crankcase venting with a little extra work.

07 zx10 motor, alcohol fuel injection, s&s header, hyper airbox, 15/51 gearing, pc3, wideband commander

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post #5 of 6 Old 04-28-2008, 02:19 AM
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actually thats what i did on mine, just like in the pic. i removed everything and just ran a hose to each other exactly like the pic. BUT i also took the covers off, flipped the reed valve things upside down to hold em shut then put it back together. really quick and easy to do. here's the link
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post #6 of 6 Old 04-28-2008, 02:23 AM
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No gain except less backfirings.
Its just another piece at the modding game.

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