Should we abide by manufacturer-specified tyre speed ratings?

My local tyre dealer says that we don't need to fit higher than a T82-rated tyre to our average family cars (Astra hatchback 1.4, Primera hatchback 1.8 and Rover 200 1.4) as long as we don't go above the...

Engine overtakes tyres

I recently had the rear tyres replaced on my 2003 E39 BMW 5 Series 2.5SE (not runflats). The garage recommended Dunlop Sport3000 instead of the original fit Pirelli. The speed rating is W which is well...

Rubber dub

Thanks to a friend who worked at Toyo, I have just acquired a set of their tyres for 12-year old Porsche 911/993. My local tyre dealer (a specialist - and very good) fitted them and did the tracking on...