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Tyre presures for 10" wheels
https://www.ausmini.com/forums/viewtopic.php?f=2&t=1923		 Page 1 of 1
Author:  NAV [ Thu Sep 16, 2004 9:48 pm ]
Post subject:  Tyre presures for 10" wheels
I was just wondering what you guys and gals run in your 10" tyres.
I have the good ol bridgestones so if anyone has a particular perssure setting i'm willing to try it. currently running 34psi all round

Any input is appreciated.
Author:  68matic [ Thu Sep 16, 2004 9:59 pm ]
Post subject: 
BP chart:
13 inch rims or less, or Wheelbarrows, 30PSI
so i keep it on 31ish
dont let it go under 28, thats when its like your wheels run on sponges and thats crap everything, like power speed fuel efficiency
Author:  drmini in aust [ Thu Sep 16, 2004 10:21 pm ]
Post subject: 
Stock pressures for a 1275 Cooper S (1st Mini to get the big 145R10 radials) were 28psi front, 26 rear.
In Yoko 165/70-10s I use 30 front, 28 rear.
34 is a bit hard I reckon, except on the track.... :wink:
Author:  NAV [ Thu Sep 16, 2004 10:32 pm ]
Post subject: 
drmini in aust wrote:
Stock pressures for a 1275 Cooper S (1st Mini to get the big 145R10 radials) were 28psi front, 26 rear.
In Yoko 165/70-10s I use 30 front, 28 rear.
34 is a bit hard I reckon, except on the track.... :wink:


What you mean the road isn't my race track? :lol:
mmmmmmm i want yokies. 8)
I never heard of having 28psi at the front and 26 at the rear.
Could that be why the back end wants to try to overtake the front or is that my driving style? :roll:
Author:  drmini in aust [ Thu Sep 16, 2004 10:42 pm ]
Post subject: 
It's your driving style... :lol:

Lot more weight at the front, less at the back. So rear needs less pressure, I guess.

But...
Original Mini on crossply 5.20x10 ran 22psi front, 24psi rear- can you believe it???

According to Leyland `76 bible.. :wink:
Author:  NAV [ Thu Sep 16, 2004 10:59 pm ]
Post subject: 
drmini in aust wrote:
Original Mini on crossply 5.20x10 ran 22psi front, 24psi rear- can you believe it???


Well only cause you said it.

thanks for the tips doc. i'll have a play with the pressures once i finish poilishing it.
Mmmmmm shiny.
P.s. OT but previously you said you have gotten some cheap flares. where do i get some. i don't want the screw through guard type.
Author:  drmini in aust [ Fri Sep 17, 2004 6:49 am ]
Post subject: 
Mine are just the common `screw-on' Innocenti ones, from Karcraft etc, around $66/set.
Easy to fit, but the screws are a POS- they rust as you watch! I use S/S ones instead.. :wink:

S type flares are about $120/set I think, and need the chrome plastic strips to hold them on, another $26 a side- these flares also need metal strips welded in for them to sit on.
And, you need to paint them... :cry:
Author:  HistoricRacingS [ Mon Sep 20, 2004 7:44 pm ]
Post subject: 
The reason for running less in the back is so they warm up quicker. The less pressure you have in a tyre the more it heats up. It is very important in race Minis to get the balance correct. Generally 4 psi lower in the back. The back heats up slower due to less weight and also no drive going through the wheels.

Doc: I'm surprised you say 34psi is for racing! When I was racing on A008's I used to run 40 front 36 rear. I usually run 32 to 34 on a road car in the front and 4psi less in the back.

The only down side of running high pressures on the road is alot worse ride and the car is harder to control on bumpy surfaces.

HRS
Author:  drmini in aust [ Mon Sep 20, 2004 7:47 pm ]
Post subject: 
HistoricRacingS wrote:
The reason for running less in the back is so they warm up quicker. The less pressure you have in a tyre the more it heats up. It is very important in race Minis to get the balance correct. Generally 4 psi lower in the back. The back heats up slower due to less weight and also no drive going through the wheels.

Doc: I'm surprised you say 34psi is for racing! When I was racing on A008's I used to run 40 front 36 rear. I usually run 32 to 34 on a road car in the front and 4psi less in the back.

The only down side of running high pressures on the road is alot worse ride and the car is harder to control on bumpy surfaces.

HRS


I started running 40/36 (COLD) at Wakefield but had traction problems..
it just feels better and faster with less pressure (36/34). OH, they do hit 40psi when hot.. :wink:
Author:  mutant mini [ Tue Sep 21, 2004 9:14 am ]
Post subject: 
I was told that it was safer to run at a high pressure on an everyday road Mini than it was on a lower pressure. I think it was when I did the Driver Ed day. He said the tyres wear out quicker at a high pressure but it is safer.

Would this be right?
Author:  gafmo [ Tue Sep 21, 2004 9:20 am ]
Post subject: 
Higher Pressure would give you less surface area on the ground, Just like a ballon when you blow it up. They would ware in the centre of the tire. Lower pressure tyre can peel of (Have not seen it) and tyre sidewalls would move around alot more and would ware on the side tread
Author:  NAV [ Tue Sep 21, 2004 2:58 pm ]
Post subject: 
Thanks for that guys. I would be playing with the mini today except the missus stole it. :(
Apparently i'm a very lucky in the fact that she likes to drive it just as much as i do. 8)
That just crates another problem, we both can't drive the same car! :roll:
I'll just have to go and get another mini i think :D
Author:  gafmo [ Tue Sep 21, 2004 3:05 pm ]
Post subject: 
Do as we Do.
Morris is Sue's during the week and I have him for the weekends.
Unless something goes wrong with him
Author:  NAV [ Tue Sep 21, 2004 3:27 pm ]
Post subject: 
gafmo wrote:
Unless something goes wrong with him


Ha ha ha funny that. My missus always leaves the car when it's empty needs a tune and a wash. Then once i do that i don't see it again.
Mostly she takes it cause she has to go alot further than i do to get to work so i get the fuel guzzling falcon i've got all of 10 km to get to work where she has 30 each way
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