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BIKELAND > FORUMS > DRAGBIKE ZONE.com > Thread: ZX1257 update NEW TOPIC NEW POLL POST REPLY
Bigbore4


Zone Head
Posts: 768
posted April 04, 2011 09:31 AM        
ZX1257 update

Preliminary report on the Thailand based Ace Performance 2 mil ZX12.

The fuel mapping is close, not perfect yet, but all I can say is that this thing either wants to rip your arms off, come over backwards or literally rip the rear tire off or all three at the same time Impressive to say the least. Almost to much for a stock wheelbase bike, but then again, to much is never enough
I am going to do a legitamate mile run here in the next day or two and will post results.

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Bigbore4


Zone Head
Posts: 768
posted April 04, 2011 09:33 AM        
If you get one of these motors, you'd better have a decent steering damper as this thing want to come up in 4th
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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 04, 2011 10:56 AM        Edited By: Stuart Racing on 4 Apr 2011 17:57
Congrat.`s to you on your killer 1257cc ZX.. build......Yes I`m sure it`s a handful with the stock WB bike.....
Can I ask how you are doing your mapping??? I have an ace perf. 1287cc motor I just got back a few weeks ago....
Good luck with your motor and have fun with it.....
____________
Life in the Fast Lane..........

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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 04, 2011 12:01 PM        
Although I DO NOT have a steering dampner I have yet to have ANY handling problems....Or maybe I haven`t tapped into the HP of this motor yet huh.....
____________
Life in the Fast Lane..........

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Bigbore4


Zone Head
Posts: 768
posted April 04, 2011 05:19 PM        
I have a decent base map that I used on the stock motor and I'm using a LM-1 datalogger to tune it from there. Sal can also give you some idea of what it needs also.
If your bike is setup for dragrace, you probly won't see any tendency for headshake, but on a bike setup for the twisties it is a bit of an issue without a damper.

I got the Corbin seat on the bike, looks good. I'll be posting some pics soon.

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2000redrocket


Pro
Posts: 1642
posted April 04, 2011 05:28 PM        
well i thought that untill i skimmed the front in the 3rd to 4th shift and went down
going to 4th on a tank slapper @130mph around the 800ft mark. i ran a 12.53 @ 56mph on my ass. GET A DAMPER GET A DAMPER GET A DAMPER

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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 04, 2011 06:09 PM        
quote:
I have a decent base map that I used on the stock motor and I'm using a LM-1 datalogger to tune it from there. Sal can also give you some idea of what it needs also.
If your bike is setup for dragrace, you probly won't see any tendency for headshake, but on a bike setup for the twisties it is a bit of an issue without a damper.

I got the Corbin seat on the bike, looks good. I'll be posting some pics soon.


Ya Sal left his data logging wires hooked up to my harness just in case I get a logger.....Which he suggested I get.....I think I need quite a bit of logging done.....I`m close enough to not hurt anything but no where near to peak perf.
Well my 12 is 12" over and hasn`t wanted to come up on me YET and has been rock solid in the wobble dept.....But it has happened to me on other bikes and I DO NOT LIKE IT....
____________
Life in the Fast Lane..........

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KZScott


Needs a life
high on speed
Posts: 7138
posted April 04, 2011 08:00 PM        
it will if you push the limits unless you are an expert with chassis and clutch.... mine stood up at 14 over with about 25 pounds of ballast on the front end

love my damper..... got a Scotts just cause
____________
07 MDP Rookie of the Year
01 ZX-12R 8.84 @ 156.3 no bars, DOT rubber, 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 NA 1: 222.046 1.5: 226.390 Loring AFB

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dougmeyer


Needs a job
moderated
Posts: 2658
posted April 05, 2011 05:49 AM        
You really don't need a damper, until the instant that you do. Without one, you'll eventually find that moment. With it, you'll never know you were there.

____________
It's not that I think you're dumb, it's just that so much of what you know isn't true....

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Phantom13


Zone Head
Posts: 736
posted April 05, 2011 11:22 AM        
quote:
You really don't need a damper, until the instant that you do. Without one, you'll eventually find that moment. With it, you'll never know you were there.



Perfectly put.



____________
"The only place Success comes
before Work is inside the Dictionary."

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Shane661


Needs a life
Posts: 11491
posted April 05, 2011 11:30 AM        Edited By: Shane661 on 5 Apr 2011 18:32
I have found that moment many times...every bike I have gets fitted with a damper. Especially on a short bike, strapped down, at the dragstrip...easy to get crossed up. Or cresting hills under power will do it for ya in heartbeat too...
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ZRXDean


Needs a job
Posts: 2225
posted April 05, 2011 12:18 PM        
Sometimes, you find the point where you need 2 dampers... or more suspension tuning Not so fun.
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Shane661


Needs a life
Posts: 11491
posted April 05, 2011 12:21 PM        Edited By: Shane661 on 5 Apr 2011 19:24
quote:
Sometimes, you find the point where you need 2 dampers... or more suspension tuning Not so fun.


I think they require 3 at Maxton? Bumps, bumps, and more bumps...and a dip...then a high speed right! Of course, the faster you go...the smoother it seems..usually.

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2000redrocket


Pro
Posts: 1642
posted April 05, 2011 02:19 PM        
well the 400 bucks for the scotts would of saved me 1000 bucks with the money spent for the scotts. GET A DAMPER PLEASE
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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 05, 2011 02:38 PM        
Sorry to hijack your thread dude......
But whats the best one to get that doesn`t require drilling or maybe the all do...
____________
Life in the Fast Lane..........

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2000redrocket


Pro
Posts: 1642
posted April 05, 2011 03:01 PM        
here is a post i started to stop hijacking.
http://www.bikeland.org/board/forumdisplay.php?FID=13

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psycho1122


Pro
Posts: 1574
posted April 06, 2011 06:58 AM        
Boy Doug is that not the truth!


____________
You say PSYCHO like it's a BAD thing!!

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Bigbore4


Zone Head
Posts: 768
posted April 06, 2011 09:07 AM        
This was a thread about my Ace Motored 1257?
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TRNorBRN6001


Needs a job
Posts: 2021
posted April 06, 2011 09:10 AM        
How about a pic of that beast!
____________
TFA 200MPH CLUB MEMBER!

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Bigbore4


Zone Head
Posts: 768
posted April 06, 2011 09:49 AM        
Sure, Here's afew pics as well as a few of the engine building team












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TRNorBRN6001


Needs a job
Posts: 2021
posted April 06, 2011 11:06 AM        
Very Nice! 3 sets of CP pistons, Wow! Kidos are ready to work on the bike! Very nice brakes!
____________
TFA 200MPH CLUB MEMBER!

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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 06, 2011 11:50 AM        
Looks very good man....And great helpers too....
____________
Life in the Fast Lane..........

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KZScott


Needs a life
high on speed
Posts: 7138
posted April 07, 2011 06:32 PM        
is this the motor with the studded mains?
____________
07 MDP Rookie of the Year
01 ZX-12R 8.84 @ 156.3 no bars, DOT rubber, 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 NA 1: 222.046 1.5: 226.390 Loring AFB

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Bigbore4


Zone Head
Posts: 768
posted April 08, 2011 03:58 AM        
yup, same one.
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Stuart Racing


Zone Head
N.H.R.A . Dragracing.
Posts: 999
posted April 08, 2011 01:35 PM        
So what package did you get on this motor??? Did Sal build the whole motor or just the head???
And crank work,trans work???, Cams???
____________
Life in the Fast Lane..........

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