Quote:
Originally Posted by mans
worth it?
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MetroMPG has tested 4 narrow spare tyres, and it didn't work out well.
Check out the link BHarvey posted.
The narrow size will help, but it'll only be worth it if you can get narrow tyres that also have lower rolling resistance than the tyres you're running now.
Pattern and compound make more of a difference than size.
If these narrow tyres were made for vintage cars, chances are LRR wasn't on the list of design requirements.