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MG Midget and Sprite Technical - tyre pressures

just wondering what others have thier tyre pressures for non standard tyres not sure what to put in my 165/70/13 tyres.
mark heyworth

start with 24 front, 26 rear and adjust to suit.
David Smith

I use 24/28 on the same sized tyres.
GuyW

24/26 on 155/80
C MADGE

1.8 barg front and rear. Psi is so passe....
Oggers

Presumably it handles like a barge as well then?
GuyW

1.8 bar = 26 psi.

On 225/50r13 or 205/50r14 (?).
Nigel Atkins

Yeah
I have trouble understanding why you would run more pressure in the back than the front when midgets are a bit nose heavy and fairly neutral with a crew on board
Fith a full load of luggage i can understand but normally I'd think same all round or higher in the front compared to rear
Just to confuse you I used to run 38F 32R (psi-sorry Oggers) in my Midget racer for best grip/temp results
Anything under that was a disaster with tyres folding under load and that's with 48/52 weight dist.

willy
William Revit

Tyre pressure recommendations always appear to be a bit of a minefield to me. It seems to be dependent on who you believe.
I was never able to find a credible answer for my Diahatsu camper for example.
Our station LandRover has helpful stickers on the wheel arches specifying 30psi front and 45psi rear. But on Thursday I collected a second LandRover and drove it back from Perth; its stickers say 35psi and 60psi.
They are identical trucks, both on identical tyres (BF Goodrich A/T). Both are set up nominally to tow a D class Lifeboat on a trailer, 720kg all up with nose weight around 20kg.
I have queried the technical office, but no comment so far.
My own last LR was also a Defender (although badged as a County) which wore the same BFGs (but on alloys not steelies like the Institution trucks) and I ran 32/40psi on LandRovers recommendation.
And I've never heard a credible explanation for lower pressures at the front where the heavy ironmongery sits and where all the inertial transfer loads go under braking.
Greybeard

I run the same size as Mark and use the same pressures as recommended for 145SR-13's in the Handbook: 22 psi front and 24 rear, and have done for years with good handling and no signs of uneven tyre wear.

That said, I will increase them if I'm doing a long motorway drive, but that's very rare as I prefer to keep to the Wiltshire lanes.
Peter Blockley

This thread was discussed between 13/06/2019 and 15/06/2019

MG Midget and Sprite Technical index

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