slimjim Posted March 28, 2011 Share Posted March 28, 2011 Can anyone tell me what tyre pressure I should keep my PS2's at? Just had them put on, can't tell you how good they are! I want to keep them in perfect nick and I am doing my first long drive tomorrow. Can anyone tell me what pressure I should keep them at? For normal - spirited driving on broads and motorways? Thanks... Quote Link to comment Share on other sites More sharing options...
ChrisS Posted March 28, 2011 Share Posted March 28, 2011 Same as usual I think ie. 35 psi. Others will confirm.................(I hope) Quote Link to comment Share on other sites More sharing options...
Beavis Posted March 28, 2011 Share Posted March 28, 2011 Yup 35 psi. Quote Link to comment Share on other sites More sharing options...
slimjim Posted March 28, 2011 Author Share Posted March 28, 2011 35 all round? Sweet... cheers peeps Quote Link to comment Share on other sites More sharing options...
Beavis Posted March 28, 2011 Share Posted March 28, 2011 35 all round? Sweet... cheers peeps Though you can experiment with a pound or two either way, a lot of it depends on the make of tyre. Quote Link to comment Share on other sites More sharing options...
slimjim Posted March 28, 2011 Author Share Posted March 28, 2011 Any specific thoughts on the PS2's? Quote Link to comment Share on other sites More sharing options...
lrh Posted March 28, 2011 Share Posted March 28, 2011 Most tyres have softer sidewalls than the stock Bridgestone's and need more pressure to support the weight and not flop around in corners. I would start at 37psi and see how it feels. I've ended up with 38/36 front/rear on my Kumho's. Quote Link to comment Share on other sites More sharing options...
slimjim Posted March 28, 2011 Author Share Posted March 28, 2011 Im presuming the PS2's have a harder sidewall than the B's? Quote Link to comment Share on other sites More sharing options...
Ekona Posted March 28, 2011 Share Posted March 28, 2011 Correct. I used to run 34 front and 35 rear, so as to cure some of the understeer the Zed naturally has. Quote Link to comment Share on other sites More sharing options...
dangerman Posted March 28, 2011 Share Posted March 28, 2011 Interesting... I always assumed 35psi would be the norm for all tyres but I guess the compound will make a difference. Hadn't thought of that! Quote Link to comment Share on other sites More sharing options...
slimjim Posted March 28, 2011 Author Share Posted March 28, 2011 Cheers Dan.. (AGAIN!) Quote Link to comment Share on other sites More sharing options...
Ekona Posted March 28, 2011 Share Posted March 28, 2011 Interesting... I always assumed 35psi would be the norm for all tyres but I guess the compound will make a difference. Hadn't thought of that! As people have said above, stuff like the FK452s will need more pressure in them to cope with the soft sidewalls so 37-38psi would be more appropriate, whereas something like the PS2s would need less. Tyres like the R888s will need even less pressure in them, dropping down to 20psi isn't unreasonable although I found 22F/23R gave a nice balance for road driving. Quote Link to comment Share on other sites More sharing options...
slimjim Posted March 28, 2011 Author Share Posted March 28, 2011 Are the R888's road legal? Quote Link to comment Share on other sites More sharing options...
Ekona Posted March 28, 2011 Share Posted March 28, 2011 I love them, they're superb on the road as no-one expects you to be able to corner that quickly! Quote Link to comment Share on other sites More sharing options...
CMR Posted March 28, 2011 Share Posted March 28, 2011 Im presuming the PS2's have a harder sidewall than the B's? Personally found PE2's and PS2's to have slightly softer sidewalls than the bridgestones, so 35 should be fine if not a few psi more Quote Link to comment Share on other sites More sharing options...
GT4 Zed Posted March 28, 2011 Share Posted March 28, 2011 I have only used MPS2 N1 spec exlusively on the zed for almost 3 years now and used to do 34F 35R to dial out understeer but found out that if you inflate to 34 you get 33 and 35 give 34 so now i do 35R and 36R to end up with 34/35 However the ability to adjust my suspension means i have other strategies to achieve a neural ride or dial in under or oversteer I got some RO1 spec(audi RS and S cars spec) MPS2 for the front in 255/35/19 as i could not get my usual 265/30/19 and it should even perform better as it rated rated 96Y XL as opposed to 94Y XLfor the N1. The zed is heavier in front than the porkers and should be similar to the fast Audis Quote Link to comment Share on other sites More sharing options...
Daryl Posted March 28, 2011 Share Posted March 28, 2011 Sorry to Hijack,but with a set of 452's on 19's,what the best psi to have? Only put them on at the weekend,and have found the ride abit fidgety,which to be honest id expected. Iv got 32 in them at the moment,but seeing people put 36-38 in 18's,what should i be putting in 19's? Quote Link to comment Share on other sites More sharing options...
Ekona Posted March 29, 2011 Share Posted March 29, 2011 Tyre size does not dictate pressure, the tyre type itself does. As has been mentioned in this thread already, I'd go for 37psi all round as a start, probably moving up to 38psi. Quote Link to comment Share on other sites More sharing options...
Daryl Posted March 29, 2011 Share Posted March 29, 2011 Tyre size does not dictate pressure, the tyre type itself does. As has been mentioned in this thread already, I'd go for 37psi all round as a start, probably moving up to 38psi. Thanks. Il be pumping them up later Quote Link to comment Share on other sites More sharing options...
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