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Old Aug 27, 2012 | 12:15 AM
  #11  
sleeper's Avatar
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Originally Posted by Silverfox
Whats the benefits you have realized?

SF
1) lil more sidewall = better ride

2) lil bigger contact patch on the ground

3) being .600 taller, my hi-way rpms are a tad lower @ 70mph.

4) looks beefier
Old Sep 12, 2012 | 09:58 PM
  #12  
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Originally Posted by sleeper
1) lil more sidewall = better ride

2) lil bigger contact patch on the ground

3) being .600 taller, my hi-way rpms are a tad lower @ 70mph.

4) looks beefier



I am considering 215/55R/17 to be able to keep my 2LT Stock Alum. wheels.
I want just a little softer/better ride.
Cold ... 32lbs. frt. 30lbs. rear, 2 people most of the time.
Very little weight put in back.
This car will probably end up with just a Trifecta Tune on a stock 2.4L w/Auto

Thoughts ??
Old Sep 12, 2012 | 10:27 PM
  #13  
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Originally Posted by Silverfox
I am considering 215/55R/17 to be able to keep my 2LT Stock Alum. wheels.
I want just a little softer/better ride.
Cold ... 32lbs. frt. 30lbs. rear, 2 people most of the time.
Very little weight put in back.
This car will probably end up with just a Trifecta Tune on a stock 2.4L w/Auto

Thoughts ??
Yes, a 215/55/17 is about 26.31" tall, I think you may hit the front strut plates.

My tires are 26.1", & only have + .300" clearance...

But you may get lucky w/ 215 tires..
Old Sep 12, 2012 | 11:11 PM
  #14  
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From: Sequim Washington
Originally Posted by sleeper
Yes, a 215/55/17 is about 26.31" tall, I think you may hit the front strut plates.

My tires are 26.1", & only have + .300" clearance...

But you may get lucky w/ 215 tires..

Wow ..Thats cuttin it pretty close.

It's only a front end issue ....right?
Old Sep 12, 2012 | 11:23 PM
  #15  
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SF- The front is the most critical area..

Have one mounted on front, drop car on ground & after a bounce or two, check
the strut to tire tread clearance.
Old Sep 12, 2012 | 11:38 PM
  #16  
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SF- read post # 14

https://www.chevyhhr.net/forums/show...t=36969&page=3
Old Sep 13, 2012 | 12:23 PM
  #17  
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Originally Posted by sleeper
Excellent thread/read

I can't find anywhere where you mentioned the Brand and model 225/50R/17 tires you put on.
I am mainly interested in the ride quality and road noise ... and of course handling, all compared to the stock Firestone Firehawks which are on mine.

Thanks,
SF
Old Sep 13, 2012 | 12:43 PM
  #18  
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I thought I did post the brand ? fwiw: the 225 is 1 lb lighter than a 215 firestone. Another plus imo..

Anyhow: http://www.sumitomotire.com/cars/pro.../htrasp01.aspx
Old Sep 13, 2012 | 05:25 PM
  #19  
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Originally Posted by sleeper
I thought I did post the brand ? fwiw: the 225 is 1 lb lighter than a 215 firestone. Another plus imo..

Anyhow: http://www.sumitomotire.com/cars/pro.../htrasp01.aspx
As you probably remember, there are not as many 225/50R/17 tires available as other sizes that would work.

Could you address The Noise Issue specifically.
I noticed right away on my 2Lt that the Firestone Firehawk 17" is just a bit noiser then the 16" Firestone Affinity on the 1LT.
I had a set of Michelin Primacy MXV4 215/55R/16 on one of my 1LT's and they rode smoother and were very quiet on smooth paving, but very noisy on the cobblestone damaged roads here. Also they were somewhat unpredicable in heavy rain to break loose and I'm not talking hydroplanning.
We have a lot of roads that have had excess stud damage and that is a major source of much of our road noise. Tread design can make a world of difference but it's a trial and error situation to improve on what you have.
I also noticed that this Sumitomo is a directional tire. Looks somewhat like the Michelin Ice which is also directional but is an XL tire in all sizes I might use.
Old Sep 13, 2012 | 10:56 PM
  #20  
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Originally Posted by Silverfox
As you probably remember, there are not as many 225/50R/17 tires available as other sizes that would work. IDK, there were plenty of choices I've seen @ tire rack.. But, I really didn't look hard at other sizes. I knew what I wanted. Have friends that have been running Sumo's & they are very pleased with them..

Generally most 225/50/17 tires are 25.9" tall.. These 225 Sumos are 26.1"


Could you address The Noise Issue specifically. Yes, these are very quiet on my roads around here. And really stick in the turns. I'm totally pleased with these..

(note): I'm not trying to talk you into any particular brand...


I noticed right away on my 2Lt that the Firestone Firehawk 17" is just a bit noiser then the 16" Firestone Affinity on the 1LT. Yes shorter sidewall is much stiffer & can transfer to more road noise depending on the tire tread etc..

I had a set of Michelin Primacy MXV4 215/55R/16 on one of my 1LT's and they rode smoother and were very quiet on smooth paving, but very noisy on the cobblestone damaged roads here. I don't know of any tires that are perfect in all conditions.. Also they were somewhat unpredicable in heavy rain to break loose and I'm not talking hydroplanning. Yes, many have complained here that Michelins are not what they used to be...

We have a lot of roads that have had excess stud damage and that is a major source of much of our road noise. Yes that would be a major source for noise.

Tread design can make a world of difference but it's a trial and error situation to improve on what you have. Exactly.

I also noticed that this Sumitomo is a directional tire. Yes they are, & they do well in dry & wet for me, & here in the South, we don't have much snow to speak of. (Hope I didn't just jinx myself for this winter)..

Looks somewhat like the Michelin Ice which is also directional but is an XL tire in all sizes I might use. I really don't know about those tires..
Hope this helps..



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