KZScott
Needs a life
high on speed
Posts: 7235
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posted January 06, 2008 01:14 AM
cam timing / adjustable sprocket questions
hey guys, looking for info (as allways  )
question 1
im going to have my head milled .005'' to clean it up, so how bad does this affect cam timing? i was pretty sure i read that you must degree your cams if the base shim (.007 to .008 IIRC ) is removed to bump compression about half a point (to prevent the intake valves from hitting the pistons IIRC) now the head milling isnt as much as the base shim removal, but is it close enough to give me issues?
2
im aware that the cam sprockets are pressed on. can any regular machine shop do the swap to adjustables or is this really really high end? or is it easy, hell can i do it? is there any special prep involved? is it possible to throw the cams in the freezer (or actually just outside lol -20F here the other morning  ) then heat the sprocket to get it to pop off?
thx!
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01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
  
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ninja12
Needs a job
Posts: 3310
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posted January 07, 2008 04:21 PM
I'd mark the cam with the orig sprockets still on so you will know if they put the new one on right. Like anything they can get screwed and without marks you may end up chasing your tail.
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Two Wheel Werkz
Novice Class
Posts: 34
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posted January 07, 2008 05:06 PM
anyone with a press can swap the sprockets for you, but like prevously posted mark the sprockets.
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KZScott
Needs a life
high on speed
Posts: 7235
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posted January 07, 2008 07:24 PM
 Edited By: KZScott on 7 Jan 2008 19:26
I have access to some pretty rugged presses, but i really dont want to screw it up as these may not be the most accurate. im talking about a press used to straighten bent bars on single grip harvesters(cuts down big effin trees ), and a big hydraulic hose maker(crimps on ends)
i will have the cam sprockets marked if i go with adjustable sprockets, but that doesnt really answer the question.
Two Wheel Werkz, did you ever find out if the 2 step/shift light combo you have advertised on your site for the zx12r actually WORKS on the zx12r? (you didnt know when I emailed you awhile back....)
see link for product
http://shop.twowheelwerkz.com/product.sc?categoryId=18&productId=39
____________
01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
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