bad tyres?

when getting to around 150mph in my car it gets very shaky like im driving on a bumpy road when im not. could this be down to crap tyres? the front ones have decent tread but they are crap brand ones "fulda" or something. they came with the car but dont need replacing yet so i didnt bother. the rear tyres are pirellis though.

so could this be down to bad tyres or is it something more serious?

whats the rating on those tyres?

dont do stupid speeds on rubbish tyres.....(very dangerous)

Yeah my car does this. More down to wheel balancing I think. Check your running even pressures at those speeds as they need to be bang on each side.

whats the rating on those tyres?

 

dont do stupid speeds on rubbish tyres.....(very dangerous)

the speed rating is 180mph + apparently. but iv never heard of fulda/carat before but they seem to be the budget tyre or something.

yeah check your speed rating on the side walls of your tyres, i think supras really need Z rated tyres if your going over 150mph.

I think most cheapo tyres in 225/50/16s are only rated to V 140-150mph

Yeah my car does this. More down to wheel balancing I think. Check your running even pressures at those speeds as they need to be bang on each side.

i think ill get my wheel balancing checked then. thing is from 0-140 it is very smooth but gradually as you get to higher speeds it seems to shake more and more.

my front tyre size is 225-45-17

the speed rating is 180mph + apparently. but iv never heard of fulda/carat before but they seem to be the budget tyre or something.

you sure its 180MPH or KmPH (JAP TYRES)

no idea. im looking to change all 4 though in the next month or 2 so hopefully new tyres will cure it.

is it more than likely the tyres/balancing then? no other reason why it should do that right?

my front tyre size is 225-45-17

look for a letter(s) on the sidewall of the tyre by the size, that will tell you the speed rating....

no idea. im looking to change all 4 though in the next month or 2 so hopefully new tyres will cure it.

 

is it more than likely the tyres/balancing then? no other reason why it should do that right?

4 eagle F1s

Wheel Balancing

4 wheel laser alignment (done at a proper place)

should cure it hopefully.

we've all done (do) these kind of speeds (turbos of course) but i cant help wondering when one of us will make the national press and end up in prison lol, fulda are a cheap make but as long as the rating is correct should deliver the goods, tell your tyre balancer you are doing a top speed run at a track day and tell him you want the tyres spot on

i did this on a private test track with a helmet and other safety procedures in consideration etc etc. but yeah i hope the tyres cure it then

we've all done (do) these kind of speeds (turbos of course) but i cant help wondering when one of us will make the national press and end up in prison lol, fulda are a cheap make but as long as the rating is correct should deliver the goods, tell your tyre balancer you are doing a top speed run at a track day and tell him you want the tyres spot on

I only do those speeds on my private track!

I only do those speeds on my private track!

yeah me to mate, my drive is like ..................40ft long

Running undersized tyres on the front I see.

You've probably got a balancing problem, but usually this is detected well below those kinda speeds.

I have driven pretty much every tyre on a Supra, and rate Bridgestone RE050a in a league above the rest. F1's are awful traction, loud noise and average predictibility when sliding it.

Re050a is excellent at all of these. You drive a Supercar, so buy supercar tyres, check the wheels are without flat spots, and get a good balancing job done. Use the proper tyre size also.