wby300
Novice Class
Posts: 43
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posted September 18, 2009 02:42 PM
What cams?
I am going to start shopping for engine parts to make my 12 a little more powerful this winter. I want to get the head ported and polished, crank balanced and lightened and 1mm bigger valves, 13.5:1 high compression pistons and a set of cams. I am looking at a set of bst carbon rims for it also if anyone has any info on wheather these are a good investment.
  
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almost_les
Zone Head
Posts: 590
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posted September 18, 2009 03:58 PM
 Edited By: almost_les on 18 Sep 2009 23:58
talk to sal at http://www.aceperformanceracing.com he can point you in the right direction. he sells all the parts and does all the porting and headwork. he is the best of the best when it comes to zx12r performance.
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garth285
Expert Class
200+mph 2011 ZX10r
Posts: 300
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posted September 18, 2009 06:27 PM
That or talk to ryan kallina from stock mild to wild in jax FL, he ports and builds the engines for walter sprout who has the fastest 1/4 mph time of 206mph on a no wheelie bar street tire bike!!!
1-904-318-4087
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KZScott
Needs a life
high on speed
Posts: 7235
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posted September 18, 2009 07:24 PM
Talk to Jim at competitioncnc.com
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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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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 03:09 AM
quote:
I am looking at a set of bst carbon rims for it also if anyone has any info on wheather these are a good investment.
I have a set and they are very nice. But, realistically, you will get far more straight line performance spending your money in the engine.
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entropy
Moderator
Posts: 8671
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posted September 19, 2009 04:02 AM
quote:
I am going to start shopping for engine parts to make my 12 a little more powerful this winter. I want to get the head ported and polished, crank balanced and lightened and 1mm bigger valves, 13.5:1 high compression pistons and a set of cams. I am looking at a set of bst carbon rims for it also if anyone has any info on whether these are a good investment.
What size motor are you building?
I have an extra head with bronze guides, 1mm OS ss int & exh valves, ported and polished, Carpenter springs, Ti retainers. Throats are set up for stock bore or 1270/1290.
I bought it to have Competition CNC do an experimental epoxy port head for my 1427 (bigger throats and secret stuff), but it's in such beautiful shape, i'm gonna have my head guy freshen up all seats and sell it.
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chavcat
Zone Head
Posts: 524
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posted September 19, 2009 06:00 AM
Karl - PM sent
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:12 AM
Thanks guys, I will start looking at some of those links, I was looking at a web cam but wasnt real happy with the attitude I got when I talked to them. I want to keep the stock cc, dont want to go bigger bore. As far as the rims, I was looking at those for less gyroscopic mass, to make the bike feel lighter when leaning. What kind of price are looking for on the head entropy? this will be a tax time purchase,just want to get everything in line so when it is time to buy, I can.
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:19 AM
one other question, anyone had their crank balance? did you have to send in the rods and pistons or did they just balance the crank by itsself? I know in order to do it right everything connected to it needs to be taken into account but everything I have read from places that do it say nothing about including piston or rod weights.
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 06:21 AM
From a handling perspective, the rims are fantastic. They make the bike turn much better, imo. My bike is extended 6" and turns very, very easily. Not like a truck as it did with stock rims.
But, I'm not a roadracer...so that's just my .02.
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:31 AM
thats what I wanted to know, just wanted to make the bike feel more like 600 in curves. I dont race on a strip or street, but I want the bike to feel planted no matter where it is.
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 06:34 AM
Where I really noticed how the steering is quickened is in the shutdown at Maxton. At 180+ mph a slight touch on the bars and the bike changes lines quick! The first time it was a little startling...especially considering my extended wheelbase.
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:36 AM
I bet, this is the first bike I have owned over a 600, it just feels like changing lanes on the road takes forever and once passing someone it takes a distance to get it to come back. I am gong to eliminate the counter balancer and get the crank lightened also. need to start looking at other places to lose some weight.
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 06:42 AM
Edited By: Shane661 on 19 Sep 2009 14:43
For some ideas on weight loss, you can check my ZX-14 build thread:
http://www.bikeland.org/board/viewthread.php?FID=27&TID=40269&set_time=
My bike is nearly 85 lbs. lighter than stock now. Some of it may not apply to you, since my bike is primarily for racing.
Shane
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:44 AM
will do, as long as it doesnt affect carrying a passenger I will try about anything, the wife likes to ride along so I need the rear of the bike to be able to haul a passenger.
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 06:44 AM
Fyi, I also own a 12R. It will be going back together this winter as a 1287. 
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:49 AM
nice bike
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 06:49 AM
Edited By: Shane661 on 19 Sep 2009 14:49
Wheels and exhaust would likely be your best bet for a street bike that you are going to carry passengers on. If the bike is going see a lof of exposure to the elements, you might consider forged aluminum rims.
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 06:50 AM
I have a full race muzzy pipefor it, I have a garage to so other than riding elments wont be bad
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shiphteey
Needs a job
Posts: 2529
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posted September 19, 2009 07:32 AM
quote:
Fyi, I also own a 12R. It will be going back together this winter as a 1287.
Now by 1287, do you mean 1394?
____________
Gemini Motorcycles
Topping out everything from Ninja 250s to nitrous ZX-14s.
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Shane661
Needs a life
Posts: 11494
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posted September 19, 2009 07:33 AM
quote:
quote:
Fyi, I also own a 12R. It will be going back together this winter as a 1287.
Now by 1287, do you mean 1394?
SHHHH!!! 
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wby300
Novice Class
Posts: 43
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posted September 19, 2009 03:01 PM
http://img200.imageshack.us/img200/5301/1001747b.jpg
this is a link to a pic of my bike.
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted September 19, 2009 04:27 PM
quote:
one other question, anyone had their crank balance? did you have to send in the rods and pistons or did they just balance the crank by itsself? I know in order to do it right everything connected to it needs to be taken into account but everything I have read from places that do it say nothing about including piston or rod weights.
No you dont need anything except the flywheel. Inline 4 cyl crankshafts are neutral balanced but you should balance the pistons and rods as well.
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Y2KZX12R
CompetitionCNC.com
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KZScott
Needs a life
high on speed
Posts: 7235
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posted September 19, 2009 04:51 PM
quote:
quote:
quote:
Fyi, I also own a 12R. It will be going back together this winter as a 1287.
Now by 1287, do you mean 1394?
SHHHH!!!
the pistons said 1287 anyway right? lol. "yes thats how thick the base gasket is on the bike from the factory guys i swear"
____________
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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entropy
Moderator
Posts: 8671
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posted September 19, 2009 11:34 PM
quote:
Karl - PM sent
mike, i got yr email, we gotta talk.
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