I wonder if a simple digital read meat thermometer would work applied to the tire groove? It prvides a rapid read out in small fractional increments. Worked great for our "London Broil" last night.(Do they actually make "London Broil" in London? I suspect not. Paul,Evanston
Sent from my iPad On May 27, 2012, at 3:22 AM, Martyn J Culling <[email protected]> wrote: > Gerry > > My 4/4 is supposed to be 18 or 19 (can't remember which now) on 165/82 x 15". > I run 22 front, 23 rear. 28 on track is absolute minimum pressure, with 30 > aimed for on a hot day. I've used anything from 165 wide to 195 and oddly, > the pressure needs seem to be about the same. > But if I used the higher pressure on the road, I'd wear the middle of the > tread out. And so I suspect would you. > > There is a technique involving a concrete floor and wetted tyres to assess > the tyres contact area but interpreting the results is not accurate or easy, > just gives a rough idea. Tyre heat can also be a guide if you have access to > an accurate pyrometer. > My gut feeling remains this is too high a pressure for the road, even if I > accept your car probably weighs more than mine. (4/4s got heavier from early > 70's on). > > rgds Martyn > > On May 27 2012, Gerald Wallace wrote: > > > My 4/4 has 195/60 X 15 tyres, the recommended pressure is 22psi. For the > recent BHM trackday I increased this to 28 all round. After the track time I > drove back home on this higher pressure. What are the pros and cons of using > higher pressures on the road and what do you Mogtalkers run at? > Gerry. > > > ------------------------------------------- > View posts on The Mail Archive > http://www.mail-archive.com/[email protected]/ > [http://www.mail-archive.com/[email protected]/] > > Modify Your Subscription: https://www.listbox.com/member/?& > Powered by Listbox: http://www.listbox.com > View posts on The Mail Archive > http://www.mail-archive.com/[email protected]/ > Modify Your Subscription ------------------------------------------- View posts on The Mail Archive http://www.mail-archive.com/[email protected]/ [http://www.mail-archive.com/[email protected]/] Modify Your Subscription: https://www.listbox.com/member/?member_id=22459785&id_secret=22459785-4a39ddf8 Powered by Listbox: http://www.listbox.com

