Tamora 18" Tyre Pressures
Discussion
Bobhon said:
Hi there my handbook only covers 16" wheels with a pressure of 28 psi. Should I use the same for the 18's that are now fitted? It's on Togo's if that matters.
Only asking as my V8S was only on 24 psi and it weighed about the same.
Bob
General consensus on here is 24, that's what mine are set at, and have been good on road and track, mine are Toyo's alsoOnly asking as my V8S was only on 24 psi and it weighed about the same.
Bob
Pursyluv said:
General consensus on here is 24, that's what mine are set at, and have been good on road and track, mine are Toyo's also
25/26 to 28 is recommended by many TVR specialists. 24 is too low imo, and is the usual defacto copy and paste. I noticed wear on the outside of the tyres with such a low pressure. Mine are now 25/28 having had a chassis tune from CofG and a temperature measurement on all tyres and the car feels much better.ShiDevil said:
25/26 to 28 is recommended by many TVR specialists. 24 is too low imo, and is the usual defacto copy and paste. I noticed wear on the outside of the tyres with such a low pressure. Mine are now 25/28 having had a chassis tune from CofG and a temperature measurement on all tyres and the car feels much better.
After spending good money at Cof G you may wish to try a realy cheap upgrade. Let your tyres down to the usual defacto cut and paste pressures The question really is how often do you check tyre pressures? The pressure can change some millibars with a change in ambient temperature, which can then have a bigger impact on road feel.
Just a few weeks ago we had 25-30°C, now we have more like 15-20°C outside.
So maybe you wouldn't notice the difference in 24 psi to 26psi too much, if you don't check often with changing weather.
The other thing is: Wouldn't it be better to check and maintain a certain tyre pressure, when the tyres are warm? I know, that common practice is to check pressure when cold, but fact is, that the tyres will warm up differently depending on driving style. Might be too pedantic, though.
Just saying.
BTW I'm currently trying differnet pressures from 22-28psi during the rather warm summer. Did not find a favourite, yet. But 22psi might be too low in my book. Car felt too wobbly, certainly not planted as much as it was with 24psi and above. As I also changed the damper setup at the same time this info might be just worth zip however. :-/
Just a few weeks ago we had 25-30°C, now we have more like 15-20°C outside.
So maybe you wouldn't notice the difference in 24 psi to 26psi too much, if you don't check often with changing weather.
The other thing is: Wouldn't it be better to check and maintain a certain tyre pressure, when the tyres are warm? I know, that common practice is to check pressure when cold, but fact is, that the tyres will warm up differently depending on driving style. Might be too pedantic, though.
Just saying.
BTW I'm currently trying differnet pressures from 22-28psi during the rather warm summer. Did not find a favourite, yet. But 22psi might be too low in my book. Car felt too wobbly, certainly not planted as much as it was with 24psi and above. As I also changed the damper setup at the same time this info might be just worth zip however. :-/
When my car had worn Asymetric 1 Eagles it felt perfect with pressures at 24 all round.
When I fitted new Eagle 2's I felt the car was slightly unstable in long corners. I got the tyres upto temperature and then kept repeating the same long curve and fast U-turn around a roundabout with various pressures. I could not notice any difference with 1psi changes but 2psi changes did change the feel.
I settled on 24psi front; 26psi rear. At pressures of 28psi and above the ride was getting harsh and it hung its tail out on the roundabout.
When I fitted new Eagle 2's I felt the car was slightly unstable in long corners. I got the tyres upto temperature and then kept repeating the same long curve and fast U-turn around a roundabout with various pressures. I could not notice any difference with 1psi changes but 2psi changes did change the feel.
I settled on 24psi front; 26psi rear. At pressures of 28psi and above the ride was getting harsh and it hung its tail out on the roundabout.
Zippee said:
24 front and 26 rear for me. A lot will also depend on the tyres you run and how hard/soft the sidewalls are and remember that a lot is also down to personal preference.
Absolutely right. I just found this thread and was about to post the same.24psi is a good starting point of course, and then adjust to personal choice/tyre construction.
Remember we're driving along on tyres who's dimensions dictate that they are made, in general, for much heavier cars. Think that a BMW 3series can be as much as 100kg heavier per corner.
This site's quite helpful http://www.ctyres.co.uk/tyre_info/tyre_load_index....
I run R1R all round. 255/35 & 225/40 x18 as TDT they have a pretty stiff side wall and a few people I know run them at 28psi all round or 26 etc .I've tried those settings and they don't work for me. I run 24 all round and I've adjusted the Nitron damper rate as well to comp. for the stiffer ride for the road it's only a couple of clicks on the rears and for me this works fine. I have kept a check on the tread wear across the pattern and so far the ware is uniform.
It's worth keeping an eye on your pressures as these cars are very sensitive to variation Especially now with a drop in temps. I check mine once a week with the oil & water
Buzz
It's worth keeping an eye on your pressures as these cars are very sensitive to variation Especially now with a drop in temps. I check mine once a week with the oil & water
Buzz
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