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BIKELAND > FORUMS > ZX-14.com > Thread: top speed? NEW TOPIC NEW POLL POST REPLY
tru195


Novice Class
Posts: 64
posted June 24, 2006 05:42 PM        
top speed?

i have found that the bike shuts down in 6th at 10,400 rpm. 183 on gps. changed rear to 2 up and can only get 177mph on gps now. in theory gearing down may get you 190 or something but would take forever to get there if at all. 2 up would be perfect if it would pull redline, some where around 186 or so and get there quick. the 177gps comes fast from a second gear roll at about a 65mph start. less then a mile. so it can happen on almost and straight run road. does anybody know when the restrictor will be resolved? any ideas?

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vegasdude


Zone Head
Posts: 821
posted June 24, 2006 05:47 PM        
dyno jet's ignition module will bypass the limiter.............
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tru195


Novice Class
Posts: 64
posted June 24, 2006 05:53 PM        
not out yet is it? and will it. from what i can tell it has to trick the pulses to stay at 10,300 while not shutting the bike. or something like that. seems tricky but im blue collar.
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zx1kr


Pro
Posts: 1301
posted June 24, 2006 05:58 PM        
Speedohealer Derestricts limiter. look at some of my dyno sheets I posted bike pulled to the auto shut off (read on sheet 197mph that I posted).

Hey, Vegas where did you here that the Ign. Module will derestrict?
____________

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vegasdude


Zone Head
Posts: 821
posted June 24, 2006 07:23 PM        
From Dusty at dynojet..............!
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zx1kr


Pro
Posts: 1301
posted June 24, 2006 07:47 PM        
Did you get your bike tuned at Dynojet? How did that work out for ya?
____________

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vegasdude


Zone Head
Posts: 821
posted June 24, 2006 08:26 PM        Edited By: vegasdude on 24 Jun 2006 21:26
Yes I did. Will post dyno sheets soon....................waiting for an email from Dusty!
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zx1kr


Pro
Posts: 1301
posted June 24, 2006 08:27 PM        
what were the #'s or is that a secret?LOL
____________

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zx1kr


Pro
Posts: 1301
posted June 25, 2006 02:55 PM        
Hey, VD are you gonna let us know whatcha got outta her or what?

I wanna know what the guy's that developed my dyno pulled outta the 14.

Do they regularly tune walk-ins or do you got alittle pull there?
____________

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vegasdude


Zone Head
Posts: 821
posted June 25, 2006 02:57 PM        Edited By: vegasdude on 25 Jun 2006 15:57
They don't do walk in's and I have a little pull there.................I'm waiting for an email and some other stuff before I post. I did another test and I will post that as weil.........!
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zx1kr


Pro
Posts: 1301
posted June 25, 2006 03:45 PM        
Ah, I see! Well I look forward to the #'s then!
____________

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oldkawboy


Needs a job
Posts: 2125
posted June 25, 2006 05:30 PM        
Just put an 18 tooth countersprocket on it. That's the only thing we changed and ran 196 at Maxton on a stock 14.
Dan

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BobC


Pro
Posts: 1736
posted June 26, 2006 01:10 AM        Edited By: BobC on 26 Jun 2006 02:45
Somethings wrong with your measurements. Could be the tacho ? Probably not clutch slip or wheelspin. There's an error creeping in somewhere.

10400rpm in 6th with 17/41 gearing is 196.7
The 183mph measured on your GPS is around 9700rpm in 6th.
With an 18t sprocket the 196mph done at Maxton is 9800 rpm.

I don't know that the speedo healer actually de-restricts. It just allows you to dial in a speedo offset prior to the ECU to correct for poor speedo calibration, gearing changes or to give some headroom before the restrictor operates. The latter would mean the speedo is under-reading.

Interestingly, I was playing with the settings on my Speedohealer the other day and realised that if you switch it to the "convert kph to mph mode" you could use the inner scale on the bike's speedo to read up to 300mph. Have not tried it on the road yet but theoretically it will work.
____________
Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles

2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)

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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 04:06 AM        
Do the math:
186=17 tooth
197=18 tooth [5.88%]
Speedo Healer says it bypasses the limiter.
Dyno test say SH bypasses the limiter.
I will test mine this week and post results.
Or go test yours?

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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 04:13 AM        
Tru,
Your numbers make sense to me this way:
My tach is off 200-250rpm
Shutting off at 10400 [actual 10150-10200]=186mph
11,000 = 200-202mph. Posted gearing stock @ redline

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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 04:15 AM        
Tru,
Your GPS couyld be off 3 mph?

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serius blk


Zone Head
Posts: 543
posted June 26, 2006 04:18 AM        
I ran my bike this morning and i looked at the tach several times. At 186 my tach was showing 9500, 9600 rpm. I looked and looked to make sure. I wonder if the bikes differ. Since everybodys getting different dyno numbers.
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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 04:21 AM        
Showing 186, or going 186?
When my bike showed 186, I was going 170ish.
Before SH install.

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serius blk


Zone Head
Posts: 543
posted June 26, 2006 04:23 AM        
i dont have a sh yet so im going by the speedometer and tach.
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EASY


Expert Class
Posts: 183
posted June 26, 2006 05:06 AM        
Where are you guys going to get those top speeed readings?? I can just picture going that fast and, off in the distance there is a cop headed your way. I have tried that a couple of times but the thought of a cop saying "Boy you was going 186mph in a 55mph zone---I will give you time to kiss your ass goodbye".
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dbeadling


Zone Head
Posts: 699
posted June 26, 2006 06:13 AM        
I use my driveway... but its damm hard to stop before hitting the garage
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BobC


Pro
Posts: 1736
posted June 26, 2006 06:25 AM        Edited By: BobC on 26 Jun 2006 07:32
quote:
Do the math:
186=17 tooth
197=18 tooth [5.88%]
Speedo Healer says it bypasses the limiter.
Dyno test say SH bypasses the limiter.
I will test mine this week and post results.
Or go test yours?

Yes, testing mine at RAF Woodbridge next weekend thanks. The speed will be electronically timed, not from an optimistic speedo or even GPS and accurate to one tenth of a mph.
Tell me how you think the SH by-passes the limiter ? It goes into the loom between the engine sprocket tacho' and the ECU. It does not by pass anything, just alters the repetition rate of the pulses entering the ECU, which eventually reach the speedo. That means you don't really de-restrict, you just slow the pulse rate down to make the ECU and speedo under-read. That's how you can exceed 186. I'd like to hear your reasoning.
____________
Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles

2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)

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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 06:54 AM        
That sounds reasonable.
But all posts on our bikes, my 14, and my buddy's have a 10% correction requirement, which puts you over 200 if I understand what you are saying. [186-10%=18.5mph correction: 186+18.5 = 204.5].
So that puts the restrictor at 204 w/SH right?
As far as any real bypass, I will call SH on that and see what they say.

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Mano 2


Expert Class
Posts: 360
posted June 26, 2006 07:01 AM        
I wish I could go with you to Woodbridge. UK right?
I could handle my plane fare, but the bikes?
Prob cheaper to buy a new bike over there, tour and sell it end of Summer?

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tru195


Novice Class
Posts: 64
posted June 26, 2006 07:08 AM        
mano- thanks for the input. ? for you, my gearing is now 17-43 so at 11,000 rpm if it let me pull it what would be actual speed? i know at an indicated 10,400 it is 177 on gps and i have done atleast 8 runs and always stops me at 10,400 and 177 on gps. if this gearing gave me a tru- 185 or better it would be great since it gets there in lessd then a mile from 60 in second gear. perfect for screwing around with others. stock gearing takes to much road and you often run into cars before then.
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BIKELAND > FORUMS > ZX-14.com > Thread: top speed? NEW TOPIC NEW POLL POST REPLY

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