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Tyre pressure advice

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195/50/15 tyre pressure

Hi, Just got my MK1 Caddy back from its first MOT in 2 years since it was taken off the road for a full change of clothes (and underwear). It passed its MOT eventually, smoked a bit and was difficult to get on the lifts due to where ive put the exhaust!. Anyway, on the drive home I noticed the car bounces at the front. I'm running coilovers (lowered to a respectable level) with a MK1 GTI anti sway bar (so is somewhat stiffer than the wallow of the original Caddy set up) and 195/50/15s on G60 Steels. Any idea what tyre pressure I should run? Id rather the ride was a little harsh than bouncy. I see plenty of pics on this great site of cars with the same wheel/tyre set up so guess someone will have experimented with this to get it right? Cheers

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I have same size tyres on my cab - think the tyre pressure is really determined by the weight of the car so 28/29 psi in the front/back for a small or half load should be fine.

Maybe a bit more 31/32 psi if running a full load.  :thumbs:

Cheers Hugh.

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What tyres are fitted? XL rated tyres need higher pressure to keep their load rating, Most tyre fitters are not even aware of this. Probably not that relevant on a golf but my Mondeo runs XL at 42psi to keep it's load rating.

My golf also runs the same but that's due to stretch.

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Is it bouncy because you are driving on the bump stops because it's low or using a cheap coilover kit?

1988 Mk1 Golf GTi Cabriolet 1.8cc DX, K-jet. Daily drive. 317,000 miles and counting
1978 Mk1 Scirocco GLS 1.6cc FR, Webber carb. Weekend toy.

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As above, the tires are not likely to be causing that.
Try it for yourself by running them at 28 all round and then say 34.

I run my Dunlops on my BBS wheels at 32 wet or dry (195/50/15) and have been really happy with them. They really do stick! 

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