Alfa 156 1.8 tyre load rating question - Alfa Romeo Forum
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(Post Link) post #1 of 4 Old 28-09-16 Thread Starter
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Alfa 156 1.8 tyre load rating question

Hi all,

I've been offered a set of tyres for my 156 1.8 Twin Spark which runs on 17-inch Collezione alloys. The tyres currently fitted have a load/speed rate of 91W. The tyres I've been offered are the perfect size but are 87W.

I never load up the car with luggage and rarely carry passengers.

Just wondered if this is a suitable alternative/option or if this is not safe.

Thanks in advance!
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The required load index of the 17" 215/45R17 has been a bit of an unknown from the start and the 156 manual doesn't make it any clearer as it just says "215/45ZR17"

However, the GT manual does say 215/45R17 87W, so you should be fine.
The little 156 15" were 185/65R15 88V
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87 load index is 1201 lb per tire
91 load index is 1356 lb per tire

Either are above what you need - all good Don't go below 85 (but there are not many tires that low - most are 87 to 91)

http://www.discounttire.com/dtcs/infoLoadIndex.do
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(Post Link) post #4 of 4 Old 30-09-16 Thread Starter
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No worries, getting some 91W rating tyres fitted tomorrow. Another friend of mine has come good with some great prices.
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