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tyre pressure for 225/50r15??

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Old 27-08-2009, 06:18 PM
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col93saphcos
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Question tyre pressure for 225/50r15??

hi,
what tyre pressures should these be on a 4x4?
rouses ran that size but cant find their tyre pressures anywhere,
running 33 psi front and 36 psi rear just now is that ok?
thanks again
Old 28-08-2009, 01:34 PM
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tabetha
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I always start at what the car maker says, then adjust from there, trying harder and softer in 2psi stages, can make a surprising amount of difference, just have a play with pressures.
Did you put these on std rims ?, do they rub anywhere ?
tabetha
Old 28-08-2009, 04:32 PM
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col93saphcos
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thanks tabetha,put new 15's on but still same size as standard rims,very slight rubbing of the plastic liner but only when on bumpy corners,thought it was the arches to start with so got my rolling pin and rolled them a tiny bit,but its the liner,on ggr spec srings so about standard ride height,thinking about putting bayjoo springs on rear to lower rear a touch,have re-adjusted pressures to 31 psi front and 32 psi rear and feels better so will try that just now,thanks again
Old 29-08-2009, 07:52 AM
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tabetha
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No probs matey, if using std rear beam bushes try an excellent GGR axle tightening kit.
tabetha
Old 29-08-2009, 05:44 PM
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col93saphcos
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Originally Posted by tabetha
No probs matey, if using std rear beam bushes try an excellent GGR axle tightening kit.
tabetha
has solid rear beam bushes,poly diff mount,6 degree rear beam,adjustable tca's,koni's,so thought i'd try the 225's,all seems to be making a difference,cheers
Old 07-09-2009, 08:06 AM
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Mike1
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Originally Posted by col93saphcos
thanks tabetha,put new 15's on but still same size as standard rims,very slight rubbing of the plastic liner but only when on bumpy corners,thought it was the arches to start with so got my rolling pin and rolled them a tiny bit,but its the liner,on ggr spec srings so about standard ride height,thinking about putting bayjoo springs on rear to lower rear a touch,have re-adjusted pressures to 31 psi front and 32 psi rear and feels better so will try that just now,thanks again
Rouse used to re-shape the liners on their cars using sopme sort of heat gun/process to avoid the rubbing
Old 07-09-2009, 10:56 PM
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dxcgnoc
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Hi

standard pressures for 205/50/15 are front 30 rear 33

or full load front 33 rear 36 so wouldn,t expect 225,s to be much different

Dave
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