 | Home > Tdi > 300tdi CSW Tyre Pressures |
 
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| Chicken Drumstick Member Since: 17 Aug 2020 Location: Near MK Posts: 668  
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30 is an ok starting point. Tbh anywhere from 26-40 can work. I normally run 28psi all round. But lots of folks on forums run way higher for some reason.
You can also balance out the handling by messing about having softer front or rear depending on your tastes and driving styles. If hauling/towing you’ll want more air in the rears than the front normally, unless you are running high pressures all round. |
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4th Jul 2024 4:59pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20033
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I run 34F - 36R on a 90, but this is on 255/85/R16.
As yours is a 110. 34F & 38R might be best. Figures in PSi. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 Last edited by custom90 on 4th Jul 2024 9:27pm. Edited 1 time in total |
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4th Jul 2024 6:14pm |
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| Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 4144 
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What are the factory pressures? On my Puma 110 they are 30/48. For road use I'd start with the factory setting and maybe go up a bit for the extra weight. There's a reason why those figures were arrived at and may not be until you are in an emergency situation the reason comes to light. It's not just about ride comfort or economy, it may be to prevent a rollover in a sudden swerve, or preventing overheating on a long run etc. 2007 110 TDCi Station Wagon XS
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4th Jul 2024 8:10pm |
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| 300TDi CSW Phil Member Since: 03 Apr 2016 Location: Bracknell Posts: 750 
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As far as I can work out there were never factory settings for a 300tdi shod with 238/85 r16's as they weren't a factory option at the time.
The closest I can get is the Haynes Workshop manual if I can remember where I put it. I also don't have a little sticker anywhere with tyre pressures listed. 1995 300 Tdi Epsom Green - It's a keeper. Wide Track Sankey- In bits- Gone to a new home M0XQS |
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5th Jul 2024 8:20am |
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| rusty_wingnut Member Since: 24 Mar 2011 Location: UK Posts: 92 |
They were an option, at least for 110" models....
I run mine at 32F and 36R |
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5th Jul 2024 8:33am |
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| Andrew95 Member Since: 27 Jul 2022 Location: Midlands Posts: 68 
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Anywhere between 28 and 40 seems to be average! I am not sure if there is official guidance on what they should be?
Personally with 285/75/r16 I run 40 all round (camper conversion so not the lightest) when on the road. When green laning in the UK I normally drop them down to 35'ish and that works. I have just come back from the Pyrenees and it was almost entirely off road - dry, bumpy tracks, lots of stones etc. I dropped them down to 28 front and 30 rear and that worked well, although it sapped a lot of power when back on the road. |
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5th Jul 2024 10:46am |
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