Tyre Pressures

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garyf
Posts: 132
Joined: Tue Jan 16, 2018 2:14 pm

Tyre Pressures

Post by garyf » Thu Sep 12, 2019 2:12 pm

Hi All

I've done a quick search on this forum but can't find the answer.

I'm running 185/70 x 13" Tyre's with 6J Alloy wheels on my Tiger, what would be the recommended Tyre Pressures front and rear for normal everyday use?

Thanks

Gary

Brad1380
Posts: 475
Joined: Wed Apr 27, 2011 1:38 pm

Re: Tyre Pressures

Post by Brad1380 » Thu Sep 12, 2019 8:19 pm

Never an easy one that, best buy a digital thermometer then after a run take readings on the outside and center edges, outside edges hotter air add some, center hotter let some out.
That's they way I've done it anyway.
RR
1966 Sunbeam Tiger Mk1a

garyf
Posts: 132
Joined: Tue Jan 16, 2018 2:14 pm

Re: Tyre Pressures

Post by garyf » Fri Sep 13, 2019 8:50 am

Ok thanks, I don't suppose the original Tyre Pressures quoted when the car was new are any good now due to the radial tyres?

Just out of curiosity what were the specified pressures Front & Rear for the Tiger with Cross plies fitted?

ksherlock
Posts: 67
Joined: Thu Jun 30, 2011 9:25 am

Re: Tyre Pressures

Post by ksherlock » Fri Sep 13, 2019 2:14 pm

For the original RS 5 tyres ( 5.90 x 13 ) , the recommended pressures were 26 psi all round. This was supposedly up to 110 mph ! I don't think Tigers could do any more than this speed anyway, but if they could then the pressures should be raised to 32 psi.

garyf
Posts: 132
Joined: Tue Jan 16, 2018 2:14 pm

Re: Tyre Pressures

Post by garyf » Fri Sep 13, 2019 2:49 pm

I've got mine at 28 PSI all round at the Moment, so something like correct I reckon?

Thanks for the feedback :D

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