Sync carb with one vaccum gauge?

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01 May 2009 23:56 #287125 by vincentmoy
Sync carb with one vaccum gauge? was created by vincentmoy
Hi all,

I've been looking around for a carb sync gauge. I called a local auto shop and they said they only have 1 vaccum gauge.

I am wondering if it is possible at all to use only one vaccum gauge to sync all 4 of my carbs on my 80 KZ750H

Thanks

1980
KZ750 LTD
Miles: Unknown (speedo cable broke)

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02 May 2009 05:57 #287143 by Old Man Rock
Replied by Old Man Rock on topic Sync carb with one vaccum gauge?
Accurately... NO!

One carb tweak (adjustment) effects the other... You'd be chasing this all over the place and to dial them in with confidence and for a specification of setting 2cm Hg between each other....

Just would seem to be impossible for any degree of accuracy...

But hey, WTF do I know for some other may have had some success in this concept....

OMR

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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02 May 2009 08:07 #287171 by TexasKZ
Replied by TexasKZ on topic Sync carb with one vaccum gauge?
The one gauge method might just create another ax murderer. Check out the thread, "carb sync without gauges."

kzrider.com/index.php?option=com_kunena&...ew&catid=3&id=285358

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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02 May 2009 15:15 #287236 by Mark Wing
Replied by Mark Wing on topic Sync carb with one vaccum gauge?
Old Man Rock wrote:

Accurately... NO!

One carb tweak (adjustment) effects the other... You'd be chasing this all over the place and to dial them in with confidence and for a specification of setting 2cm Hg between each other....

Just would seem to be impossible for any degree of accuracy...

But hey, WTF do I know for some other may have had some success in this concept....

OMR


I think you nailed it, a change on one changes the others so you'd be going in circles.
Mark

Jesus loves you Everyone else thinks your an ***

77 KZ650 C1 with ZX7 forks, GPZ mono rear, wider 18 police wheels and Yoshimura motor.

Yorba Linda Cal.

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  • larrycavan
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02 May 2009 15:54 #287241 by larrycavan
Replied by larrycavan on topic Sync carb with one vaccum gauge?
That would be a very good example of "pissing in the wind".

You'll be there for ages trying to do it with one guage. Forget it. Either buy guages or have a mechanic do the job.

Larry C

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02 May 2009 18:42 #287282 by timebomb33
Replied by timebomb33 on topic Sync carb with one vaccum gauge?
you have to be able to see what all the carbs are doing at the same time in order to know if the change you made to one will have an effect on the others as larry put it so well with one gauge your pissing in the wind and chasing your own tail and just the dog that does you will never catch up.

1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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