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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: 4.6mm stroke/1270 top end NEW TOPIC NEW POLL POST REPLY
johnnycheese


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posted July 07, 2007 11:26 AM        
4.6mm stroke/1270 top end

what do you think it should make?
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entropy


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posted July 07, 2007 12:31 PM        
been tuning a 1375, eh JC???

gonna give us some hints on setup to help fine-tune our guesses?
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ninja12


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posted July 07, 2007 03:17 PM        Edited By: ninja12 on 7 Jul 2007 16:19
205-210 stock cleaned head and stock cams
(215 with a good head and cams.)

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shiphteey


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posted July 07, 2007 05:59 PM        
What kind of dyno? DJ 250? 210 RHWP.

A.

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johnnycheese


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posted July 08, 2007 06:15 AM        
Dj 250
93 pump gas
208hp
112 torque
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Y2KZX12R


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CompetitionCNC.com
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posted July 08, 2007 07:26 AM        
JC, what cams? and what cam timing?
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entropy


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posted July 08, 2007 08:02 AM        
what fuel?

what quench?

what CR?

what valves??


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johnnycheese


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posted July 08, 2007 08:46 AM        
93 pump gas
56 on the quench
13.2 or 13.3 I don't have the stuff in front of me, on the cr
valves are stock size
cams and timing are hush hush right now
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tcchin


Zone Head
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posted July 08, 2007 07:52 PM        
Is that 56 .056" or .56mm?

Any porting or unshrouding?

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johnnycheese


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posted July 09, 2007 02:10 AM        
.056"
head is ported
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entropy


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posted July 09, 2007 02:25 AM        
JC,
man o man, that quench is way on the safe side, eh?.

I assume you are gonna set up a 100hp+ wet shot on top of that 208hp??

can you say whose bike it is??

BTW: are you getting ole coppertop ready for the mile w/turbo???
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johnnycheese


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posted July 09, 2007 12:17 PM        
1397 with turbo
and I can not say at this time on the other motor
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osti33


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posted July 09, 2007 02:39 PM        
quote:
1397 with turbo
and I can not say at this time on the other motor


1397 turbo!! Kick ass! I can't wait to get back down there in October. This is going to be a great Texas Mile.

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johnnycheese


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posted July 09, 2007 05:48 PM        
Wait till you see TRNBRN's
F'ing Monster.
it will hit 200+
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entropy


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posted July 10, 2007 02:15 AM        
Gary,
you gonna spill the beans about yr latest build?????????
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johnnycheese


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posted July 10, 2007 05:39 PM        Edited By: johnnycheese on 10 Jul 2007 18:40


what do you think
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dougmeyer


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moderated
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posted July 10, 2007 09:13 PM        
What's with the crater at 6?
That'll run.....

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tcchin


Zone Head
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posted July 10, 2007 09:18 PM        
Can you repost with SAE numbers?
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entropy


Moderator
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posted July 11, 2007 01:08 AM        
nice numbers and overall shape except that "crater" at 6k; be a challenge to launch smoothly at 1/4 mi.

JC, you gonna knock back AF a bit (12.8 or so) for racing??
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nox


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posted July 11, 2007 05:06 AM        
Not with a lockup Karl.......!!!!!!!!!!!!!!


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madmike


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posted July 11, 2007 05:35 AM        
On your dyno I would say 196...

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aliveagain


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posted July 11, 2007 08:41 AM        
I thought all motors have the torque and hp cross at 5250rpm.
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entropy


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posted July 11, 2007 09:36 AM        
quote:
I thought all motors have the torque and hp cross at 5250rpm.


Pete,
they do "cross" (same values at 5250); JC just scaled the hp & tq differently.
But good catch, i didn't notice it until you said it.
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johnnycheese


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posted July 11, 2007 02:16 PM        
I can not get the 6K qlich out.
I will repost in SAE for grins
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osti33


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posted July 11, 2007 07:20 PM        
quote:
Gary,
you gonna spill the beans about yr latest build?????????


+1

Lay it on us Gary.

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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: 4.6mm stroke/1270 top end NEW TOPIC NEW POLL POST REPLY

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