18" tire load index

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Feb 4, 2008 | 01:27 PM

benz23

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From: FL

'06 IS350 tire question

Hey all,

I'm debating between getting the Goodyear Eagle F1 A/S or Michelin Pilot Sport A/S. While utilizing the search function to get people's opinions of the two tires, I came across a post that talked about a tire's load index (can't remember which exact thread).

The person was favoring the Michelin's with a service description of 88Y(front) and 95Y(rear) and said to stay away from the Goodyear's load index of 92Y(front) and 99Y(rear) since the load index differs from OEM Dunlops of 88Y(front) and 95Y(rear).

Also, I notice the Goodyear's have a load rating of 'XL'. Will this really make a difference considering I have the sport-tuned suspension?

Thanks for the help in advance.

Last edited by benz23; Feb 4, 2008 at 03:48 PM.

Feb 4, 2008 | 03:50 PM

kickin8

2IS/2RX/4RX

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From: SF Bay Area

http://www.tirerack.com/tires/types/tiretype.jsp

Feb 4, 2008 | 03:54 PM

kickin8

2IS/2RX/4RX

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From: SF Bay Area

load index:

http://www.tirerack.com/tires/tirete....jsp?techid=35

Feb 4, 2008 | 04:40 PM

pkvir

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From: DFW, TX

Why would a higher load index be bad? Just wondering.

Feb 4, 2008 | 05:42 PM

mikes rx

I use "..." ....... a lot

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From: VA

Quote:

Originally Posted by pkvir

Why would a higher load index be bad? Just wondering.

Possible stiffer sidewall, which = stiffer ride

Feb 4, 2008 | 05:43 PM

benz23

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From: FL

I was assuming an increased load index wouldn't be a bad thing after researching the tire on tirerack as well as other sites, just figured I would throw the question out there...