All Things Mk5 > Mk5 General Area
Tyre Pressures
Teutonic_Tamer:
--- Quote from: sixpot on February 04, 2009, 10:23:10 am ---As per the recommended handbook pressures, I have mine set at 35 PSI all round. Don't forget to check them when the tyres is cold!
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Best advice of the thread so far! :drinking: :drinking:
Teutonic_Tamer:
--- Quote from: clive_gti on February 04, 2009, 10:57:41 am ---34psi all round for me, might try 36psi to see how it feels
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I honestly doubt you will even be able to tell the slightest difference with just a 2 psi change. Try upping just the fronts by 6 psi, and see how you get on. :smiley:
Teutonic_Tamer:
--- Quote from: The wheel man on February 04, 2009, 12:20:46 pm ---Im running 2.4 front and 2.5 rear. Once up and running this rises to about 2.5 front and 2.6 rear and its very difficult to tell any difference. What does make a difference is the temp, in this weather the tyres are running at about -1 / -3 in the mornings and only getting upto about 18 / 19 c In the summer this gets upto about 29 and the difference is BIG. My advise it to get the tyres up to temp before using the full handling capabilities :happy2:
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That too is crucial advice. :happy2: If you start chucking a car around hard on cold tyres, you can actually tear the tread rubber.
Teutonic_Tamer:
--- Quote from: rdfcpete on June 09, 2009, 02:36:13 pm ---I have the 17" Monza's. The Hanyes manual reckons 28psi all round, which I think is way to low.
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Erm, the Haynes manual, more commonly reffered to as the HBOL - or "Haynes Book Of Lies", does NOT list the car manufacturers recommended pressures, so should be completely ignored!
What does the sticker on your fuel flap say? If it lists them in bar, then bung them into an online conversion site to convert them into psi
--- Quote from: rdfcpete on June 09, 2009, 02:36:13 pm ---I was thinking 32psi all round to keep the highest possible MPG?
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32psi is still too low for optimum mpg on a relatively heavy car like a Mk5 GTI (or any Mk5 Golf, especially the lard-barge of an R32 - dons nomex underwear! :evilgrin: :evilgrin:)
Teutonic_Tamer:
--- Quote from: Phil Mcavity on February 04, 2009, 06:05:55 pm ---hmmm does seem abit high 42psi, i would follow the owners handbook tbh, only higher pressure for heavy loads or possibly the in-laws :ashamed:
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But it all depends on how you drive. If you drive generally fairly sedately - and by that I simply mean no hard cornering, no trying to outbrake Lewis Hamilton at every roundabout and junction, etc - then for standard loads, the standard pressures will be just fine.
But if you are wishing to maximise grip from the tyres whilst exploring the maximum potential from the handling, and using your 4pot Alcons/APs/Brembos to the max, then you really do need to consider tweaking them.
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