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post #1 of 21 (permalink) Old 04-05-2017, 16:16 Thread Starter
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Tyre pressure

The recommended tyre pressure for the TF 135 is 26/36 as we all know and for the 85th anniversary is 30/36. Given that I have Bilstein shocks, 85th anniversary anti-roll bars and X-power springs, should I switch from 26/36 to 30/36? What do you think?
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post #2 of 21 (permalink) Old 04-05-2017, 16:23 Thread Starter
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The recommended tyre pressure for the TF 135 is 26/36 as we all know and for the 85th anniversary is 30/36. Given that I have Bilstein shocks, 85th anniversary anti-roll bars and X-power springs, should I switch from 26/36 to 30/36? What do you think?
Also the geometry data seem to be different. Is there anything else in the 85th anniversary other than the shocks and ARBs that is different? I am about to change tyres (Falken 914s) hence the sudden interest.
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post #3 of 21 (permalink) Old 04-05-2017, 16:49
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Are your tyres the same size as the 85th?
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post #4 of 21 (permalink) Old 04-05-2017, 16:52 Thread Starter
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Are your tyres the same size as the 85th?
Yes, my TF 135 is the Chinese one, 195/45/R16 front, 215/40/R16 rear.
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post #5 of 21 (permalink) Old 04-05-2017, 17:30
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I'd say try running the car on the 30/36 tyre pressures and see how you get on. Given how sensitive these cars are to tyre pressures it should be fairly evident if the higher PSI is better or not.
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post #6 of 21 (permalink) Old 04-05-2017, 19:52 Thread Starter
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I'd say try running the car on the 30/36 tyre pressures and see how you get on. Given how sensitive these cars are to tyre pressures it should be fairly evident if the higher PSI is better or not.
OK will do I'll ask for a 4-wheel alignment using the 85th anniversary settings at the same time. See how that goes.

God I just can't decide between the Falken 914s and the Yokohama S.drive. I think I've read everything out there but still. And the GSD2s I have on are great so far but they are getting old and I don't want any surprises. For other car makes people vouch for the Yoko's while the Falken's are not getting great reviews but in the TF they are now the only tyre recommended that can actually be bought. On the plus side, the Falken's are not directional which is probably good for the spare.
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post #7 of 21 (permalink) Old 04-05-2017, 20:10
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Try it and see.
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post #8 of 21 (permalink) Old 04-05-2017, 20:26
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Run my TF which has 11 spoke alloys at 32/36 never had any issues with it setup like that
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post #9 of 21 (permalink) Old 06-05-2017, 19:24 Thread Starter
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Silly question, as a spare is it better to have a 195 or a 215? Assuming that either the front or the rear can blow up and given the car's RWD, what is it better?
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post #10 of 21 (permalink) Old 06-05-2017, 19:41
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Silly question, as a spare is it better to have a 195 or a 215? Assuming that either the front or the rear can blow up and given the car's RWD, what is it better?
Neither. My '95 F has the original Steel space saver in the wheel well.

The rim is fitted with the standard 175/65/14 tyre.

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post #11 of 21 (permalink) Old 06-05-2017, 19:53 Thread Starter
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Neither. My '95 F has the original Steel space saver in the wheel well.

The rim is fitted with the standard 175/65/14 tyre.
I was too lazy to go out and check (the car is parked 5 streets away) but mine has a full size spare, I think I recall it was a 195 but I'll check. I was asking just in case.

On a different note, finding a single establishment that has both 195/45 and 215/40 Falken and does fitting is difficult.
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post #12 of 21 (permalink) Old 06-05-2017, 20:17
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On a different note, finding a single establishment that has both 195/45 and 215/40 Falken and does fitting is difficult.[/QUOTE]

Get them on-line & get them sent to a fitting station you know!

Cheers

Mike
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post #13 of 21 (permalink) Old 06-05-2017, 20:20 Thread Starter
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On a different note, finding a single establishment that has both 195/45 and 215/40 Falken and does fitting is difficult.
Get them on-line & get them sent to a fitting station you know!

Cheers

Mike[/QUOTE]

Still.... so far I've found only one place that has them, AA with mobile fitting. I am a bit worried about mobile fitting, it sometimes feels not right to me, nothing wrong, it just doesn't feel the same like taking the car to a garage. In any case, AA it shall be. Price is not too bad either.
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post #14 of 21 (permalink) Old 06-05-2017, 22:15
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Silly question, as a spare is it better to have a 195 or a 215? Assuming that either the front or the rear can blow up and given the car's RWD, what is it better?

I've just fitted a 195 as a spare, my thinking is I'll hardly notice a difference if I have to fit it on the back, but I imagine I'd notice if I fitted a single 215 to the front along with a 195.
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post #15 of 21 (permalink) Old 07-05-2017, 06:56
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Just a quick note. The Falken 914s are directional.
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post #16 of 21 (permalink) Old 07-05-2017, 09:03
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Although the wheel is full size I wouldn't use it as a normal wheel, only to get me to somewhere that I can get the regular tyre repaired or replaced.

With this in mind I only go for a 185 or 195.
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post #17 of 21 (permalink) Old 12-05-2017, 17:31 Thread Starter
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Falken 914 fitted. 32 front/36 rear although I suppose they will settle a bit over the next few days. The AA mobile fitting service was really good and the prices quite competitive as well. The GSD2 looked like new but they had hardened a lot, glad I replaced them eventually. I need to run them in and before I get a feel of them, they seem fine though.
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post #18 of 21 (permalink) Old 14-05-2017, 08:42
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ON a tangent to this ATS do nitrogen for 5 a car The system they now use is the connect all 4 tyres and suck the air out to 5lb then inflate with nitrogen to 12lb then suck it out then inflate to 30lb

Last edited by helsbyman; 15-05-2017 at 13:57.
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post #19 of 21 (permalink) Old 14-05-2017, 09:02
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Pointless waste of 5 TBH.
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post #20 of 21 (permalink) Old 14-05-2017, 21:41
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First is that nitrogen is less likely to migrate through tire rubber than is oxygen, which means that your tire pressures will remain more stable over the long term. Racers figured out pretty quickly that tires filled with nitrogen rather than air also exhibit less pressure change with temperature swings
so not a waste
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