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Old 18th June 2010, 17:13   #1
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Default DIY counter balancer shaft to cut altos 3 pot vibes?

Hi there! I have an alto which i really adore! The only thing which i think i never could digest is the high levels of vibrations produced by the unbalanced 3 cylinder design - especially at idle. It gets much worse with the AC on. As this is the bread and butter model Maruti has obviously not bothered to design a good counter balancer for the same.

I was wondering is possible to hook up one or more balancer shafts - externally , which would be mechanically linked to the flywheel on the RHS and suitably phased do that the vibes are killed.

I am sure something of that sort must be possible. I have seen the 3 pots of accent crdi and fabia who have much bigger engines but negligible vibes. I am sure they have great counter balancer designs. Although i got limited success by raising the idling by adjusting the idle screw, somehow the engine manages to creep back nearby its default idle rpm. I didnt get this either!

Can anyone throw light on the same

Last edited by sportz_kruzer : 18th June 2010 at 17:15.
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Old 19th June 2010, 13:32   #2
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Hi sportz_kruzer, interesting thought there.

My M800 used to vibrate at idle, but I could get this solved by increasing the idling a bit. Do not know why your idle speed reverts back.

Also, how about checking the engine mounts ?
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Old 21st June 2010, 16:00   #3
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mounts are ok...aleast thats what the reps say. I ve seen the same in other altos, new and old. Alto vibrates more than the 800 which is a fact! regarding the creepy idle i think the MPFI computer plays truant here. dont know if we can change the idle electronically. Any mech. engineers out here please share some gyan on this!
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Old 21st June 2010, 18:20   #4
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Balancer shaft is usually embedded into the engine and not fitted like an accessory. Its a herculean task and not worth taking on.

If its bothering you that much, sell it and buy a 4pot like Zen.
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Old 22nd June 2010, 00:56   #5
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Quote:
Originally Posted by Mpower View Post
Balancer shaft is usually embedded into the engine and not fitted like an accessory. Its a herculean task and not worth taking on.

If its bothering you that much, sell it and buy a 4pot like Zen.

selling it er.. is not exactly a mod! As i said i adore this thing so much i am looking forward for ways to make my investment better. I am sure its easier to "sell it and buying a better new one" than going in for power filters,free flow,forced induction, engine swaps, ECU remaps,noise damping, etc. but then where is the sense of achievement in that?
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Old 22nd June 2010, 23:08   #6
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Quote:
Originally Posted by sportz_kruzer View Post
achievement in that?
All that is fine, now tell me what your budget is?

Last edited by Mpower : 23rd June 2010 at 17:35.
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Old 23rd June 2010, 00:09   #7
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Change to a Wagon R engine, you get 4 pot as well as dont sell your Alto.
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