[rks]

I agree that the issue of upsizing could vary from car to car. For Swift, I would suggest the Zxi's specifications for wheels/tyres. I haven't heard any complaints about Zxi so far.

The Santro does not really need an upsize for the tyres/wheels. I used to rip my Santro in all kinds of weather even with stock-size tubed tyres (see my avatar) and the car never let me down. But there is no doubt that the present setup is superior. There is no "shaking" even at 140+ kmph unless there are exceptionally strong cross-winds, and this is in contrast to my stock setup. The cornering speeds and stability have undoubtedly increased as compared to stock.

Wet handling was quite good even with the S322 tubeless tyres on alloys, and I think it can only improve with Turanzas. Have to observe the situation this monsoon.

[Samurai]

Originally Posted by vasudeva

I got this image from Consumer Reports July 2007:

Attachment 1898

Many may have a different opinion, but this graph may be useful.

Consumer report of what country? In India most cars are given out with undersized tyres for maximum FE, so the above graph won't apply to India.

For example, until late 2005 all Balenos came with 165/80R13 tyres, and then suddenly they started offering 185/65R14 on VX.

[kailashnj]

Hi Guys,

I had a question for all the Team Bhpians. I wanted to upgrade my indica tyres from 13 to 14 but the tyre fellow told me do not upgrade to 14 as they would instill more wear and tear on your suspension. I know that the newer version of Indicas are now shod with 14 tyres. Then why did he say so. Also if that is true then what is the % of effect it can have on the car suspension. I am planning to upgrade the Baleno tyres to 205/55 R14 will this also mean that there could be an issue with the suspension.

Please suggest.

[Akshay1234]

Originally Posted by kailashnj

Hi Guys,

I had a question for all the Team Bhpians. I wanted to upgrade my indica tyres from 13 to 14 but the tyre fellow told me do not upgrade to 14 as they would instill more wear and tear on your suspension. I know that the newer version of Indicas are now shod with 14 tyres. Then why did he say so. Also if that is true then what is the % of effect it can have on the car suspension. I am planning to upgrade the Baleno tyres to 205/55 R14 will this also mean that there could be an issue with the suspension.

Please suggest.

i dont think there will be any problem with upgrading your indica tyres to 14.

for your baleno 205/55 r14 is overkill. stick with 195/60 r14.

[iraghava]

Kailash - Moving to 14" on the Indica will pose no problems as long as you install the correct size & the rims you use are of correct PCD.

As for the Baleno, like Akshay said 195/60 is more than enough.

[rks]

Originally Posted by kailashnj

I had a question for all the Team Bhpians. I wanted to upgrade my indica tyres from 13 to 14 but the tyre fellow told me do not upgrade to 14 as they would instill more wear and tear on your suspension. I know that the newer version of Indicas are now shod with 14 tyres. Then why did he say so. Also if that is true then what is the % of effect it can have on the car suspension.

So what wheels are you going to use for the 14" tyres? Alloys or steel rims of the newer Indicas? You should check the specifications of the stock rims (pcd, offset) and see if they match with those of your new rims. The better the match, the less chance of wear and tear on steering/suspension components.

For my Santro the offset of the alloy wheels is 26 mm as compared to 46 mm of the stock rims. Done about 11000 kms so far after overhaul of suspension/steering components, at 58000 kms. Steering column is making a slight clicking sound again on rough roads or upon hard cornering. Dont know if this is due to the lower-offset alloys.

[spadival]

Originally Posted by kailashnj

I am planning to upgrade the Baleno tyres to 205/55 R14 will this also mean that there could be an issue with the suspension.

No problem whatsoever - I now have 205/55/R15 for my front tyres. Wider tyres seem to soak up the bumps better. So I dont know how it can be an issue.

[Akshay1234]

Originally Posted by spadival

No problem whatsoever - I now have 205/55/R15 for my front tyres. Wider tyres seem to soak up the bumps better. So I dont know how it can be an issue.

might be too wide for 14" rims.

[kailashnj]

I was looking into the tyreupsize file that is there over here and in that file it said that the widest you can go is 205/55/R15

[vasudeva]

Originally Posted by Samurai

Consumer report of what country? In India most cars are given out with undersized tyres for maximum FE, so the above graph won't apply to India.

For example, until late 2005 all Balenos came with 165/80R13 tyres, and then suddenly they started offering 185/65R14 on VX.

You are right. But if you see the graph, it is factory fitted OE tyres with that spec. For example, I think Corolla in India has 195/60/15, but perhaps 195/65/15 and even 16" tyres in the US. The key word is factory fitted OE.

[vasudeva]

Originally Posted by Samurai

Consumer report of what country? In India most cars are given out with undersized tyres for maximum FE, so the above graph won't apply to India. For example, until late 2005 all Balenos came with 165/80R13 tyres, and then suddenly they started offering 185/65R14 on VX.

Of course, stock tyres size involves compromise with most manufacturers trying to achieve the best compromise for their customer segment. I think that graph is not entirely region specific, as the difference in various parameters between factory and mods could be universal.

[kpzen]

Originally Posted by spadival

No problem whatsoever - I now have 205/55/R15 for my front tyres. Wider tyres seem to soak up the bumps better. So I dont know how it can be an issue.

If 205/55-15 is mounted at the back it would scrape with the wheel wells or mud flaps..

Originally Posted by kailashnj

I am planning to upgrade the Baleno tyres to 205/55 R14 will this also mean that there could be an issue with the suspension.

You would hardly get any good tyres in that size.

[spadival]

Originally Posted by kpzen

If 205/55-15 is mounted at the back it would scrape with the wheel wells or mud flaps..

Hmmm.. I have 195/55/15 Yoko ES-100 on the rear wheels.. No issues whatsoever.

[Buffetfan]

Originally Posted by sgurnani

I've been looking to find some good info on upgrading tyres for my Honda City ZX GXi. Somehow there is so much info now on team-bhp that its a little hard to find exactly what your looking for without asking a question?

Anyway, I wanted to know from any personal experience about either upgrading tyre size to 15s and go 195/55 or 205/55 but I don't want the width of the tyre to come outwards of the car

Or if I go same size broader tyres 195/60/14

Second factor would be the brand, I've been a big fan of Bridgestone Potenza GIII in many of our cars but after seeing the Good Year uni-directional F1 tyres; they look and drive awesome. But even on team-bhp the ratings for Bridgestone are far better than Good Year...Does anyone knw of any new tyres by Bridgestone? Are Turanza uni-directional?

pls gimme your update, I need to get the tyres done today or tomorrow so I get a good buyback on my stock tyres and mainly better ride quality.

I'm not looking for extreme performance for this car; I just want a good grip, better ride and comfort quality so no low profile. Will 15s do the job better?

Honda city (non VTec) comes with a 77BHP engine..nice and responsive but very broad tyres would be an overkill as they will sap the engine power and provide you pooor pickup.

.. I would suggest that you stay with stock tyres......if you find them very spindly...try 185/60R14 for an upsize and don't go beyond that...Michelins energy Xm1+ are good middle of the road tyres but dont have the tread you like. (I use them in 185/65R14!)..the F1/Potenza kind of pattern is bound to be noisier....and a bit less comfort oriented..

Want to know more on tyres and upsizing...try Car Bibles : The Wheel and Tyre Bible Page 1 of 2

[Buffetfan]

some more comaprison on various tyre models here....surprising the priciest dont seem to be the best

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