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Author Topic: ZX14  (Read 5477 times)

Offline DarkFalcon

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ZX14
« on: February 19, 2007, 06:35:41 PM »
Have any of you all motor guys delved into the 14 specifications and drawn any conclusions?
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Offline Mr.King

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Re: ZX14
« Reply #1 on: February 19, 2007, 08:09:49 PM »
Quote from: DarkFalcon on February 19, 2007, 06:35:41 PM
Have any of you all motor guys delved into the 14 specifications and drawn any conclusions?

I'm sure most of us eat them for breakfast......... :lol:.......

Sorry.......somebody had to say something :bgd:
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Offline mountainmotor

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Re: ZX14
« Reply #2 on: February 20, 2007, 07:29:51 AM »
I've cruised some 14 forums in effort to see pics of head , the chamber , inlet and exhaust port, find out bucket diameter ect . Nothing .

Web and Megacycle do not have cam sets listed either nor does Kent in the UK .

Question : Is anyone even building these engines yet ? All motor I mean , not the ATP kits .

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Offline gnd111

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Re: ZX14
« Reply #3 on: February 20, 2007, 11:03:48 AM »
Thin gasket, ported head and cams and they make 215rwhp on a stock bore.... :bah:
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Offline soNso

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Re: ZX14
« Reply #4 on: February 20, 2007, 12:46:01 PM »
 I am considering one.. just a little bored, carpenter has a few packages. don't know what i won't to do from one day to the next. go turbo, 1397, or buy 14. i can get a new 06 cheap. just got cams in my busa.
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Offline ZXLNT

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Re: ZX14
« Reply #5 on: February 20, 2007, 11:17:41 PM »
Quote from: mountainmotor on February 20, 2007, 07:29:51 AM
I've cruised some 14 forums in effort to see pics of head , the chamber , inlet and exhaust port, find out bucket diameter ect . Nothing .

Web and Megacycle do not have cam sets listed either nor does Kent in the UK .

Question : Is anyone even building these engines yet ? All motor I mean , not the ATP kits .




Lol yeah, Bob Carpenter and Coby Adams..   
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Offline mountainmotor

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Re: ZX14
« Reply #6 on: February 21, 2007, 04:48:35 AM »
did your type writer quit working mid stream ?
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Offline DarkFalcon

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Re: ZX14
« Reply #7 on: February 21, 2007, 05:33:06 AM »
Mountain, I believe Web is suppling the camshafts used by Adams, Carpenter and Orient Express. The first batches were a bit expensive as they had to hard chrome the journals after welding-up the lobes..........because of distortion issues arising from rifle drilled camshafts. Separately, I have not forgoten your request.
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Offline mountainmotor

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Re: ZX14
« Reply #8 on: February 21, 2007, 06:36:45 AM »
Not knowing any of the actual dimensions and just guessing after reading at Carpenters site , the ZX14 uses same diameter lifter buckets as the ZX12 . If so , they are running over .405 lift as .405 is max before run-off occurs with the 12R .

Out of curiosity , among a few more things than this , I'd like to see before and after head flow numbers and , to know what the actual installed centerlines are from the factory vs what they math out as on paper < 105/105>

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Offline 00Busa

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Re: ZX14
« Reply #9 on: February 21, 2007, 06:42:02 AM »
I've got one that makes 193.5hp/114.4tq with a BDE Megaphone, PC-USB, Secondary Flies/Filter removed - using U4 fuel. It's not  as strong as my 1397 Busa but the valve cover has never been off of it. The transmission was "sticky" for the first 1000 miles but works perfect now. It made 167hp stock/620 miles, I forgot the torque numbers.
« Last Edit: February 21, 2007, 06:52:11 AM by 00Busa »
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Offline DarkFalcon

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Re: ZX14
« Reply #10 on: February 23, 2007, 05:01:41 PM »
Quote from: mountainmotor on February 21, 2007, 06:36:45 AM
Not knowing any of the actual dimensions and just guessing after reading at Carpenters site , the ZX14 uses same diameter lifter buckets as the ZX12 . If so , they are running over .405 lift as .405 is max before run-off occurs with the 12R .

Out of curiosity , among a few more things than this , I'd like to see before and after head flow numbers and , to know what the actual installed centerlines are from the factory vs what they math out as on paper < 105/105>



I'm going to get the opportunity to work on a 14 in a couple of weeks and am looking forward to learning more about the engine; as a rule, I only work on my own stuff........but am making an exception in this case. The buckets are 26.5mm, making them measureably smaller than the Busa buckets of 28mm. Using my guidelines, max lift with 26.5mm buckets is around .410 which is very close to what you said about what can be done with the 12 before run-off becomes an issue. Separately, Kawasaki bumped up the compression and is running what I believe to be a 255 degree (@.040) intake camshaft which on the surface looks to be slightly too long for a 11,000 RPM engine with a bore/stroke ratio very similar to a 1397. The kicker, though, is a use of a rod ratio of 1.83 which calls for a longer duration camshaft than a RR of 1.89 (Busa) and which affords more low-to-mid grunt. Compared to Busa geometry, the combination gives them the best of both worlds..........better low/mid grunt and better breathing at high RPM's. Clever IMO.
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Offline gnd111

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Re: ZX14
« Reply #11 on: February 23, 2007, 05:33:10 PM »
They also do a "tappet" mod but i am not aware of what that actually is...
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Offline DarkFalcon

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Re: ZX14
« Reply #12 on: February 23, 2007, 05:54:37 PM »
Quote from: gnd111 on February 23, 2007, 05:33:10 PM
They also do a "tappet" mod but i am not aware of what that actually is...

Gnd, Carpener removes the 26.5mm buckets, bores the bucket sleaves and installs 28mm Busa buckets. I'm not 100% sure they are Busa buckets.............but the mod is pretty much what I have described. It allows the use of higher lift camshafts.
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Offline sm2w

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Re: ZX14
« Reply #13 on: February 23, 2007, 07:41:02 PM »
I did that bucket mod to my 12 head so I can run more cam lift
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Offline BRYAN

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Re: ZX14
« Reply #14 on: February 28, 2007, 09:31:27 PM »

gnd111,

Is someone making a thinner head gasket for the 14?

The only other option that I know of is to remove one of the stock head gasket layers.
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