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Re:What tyre psi you running???

  • Grima
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01 Aug 2020 12:11 #225938 by Grima
Replied by Grima on topic What tyre psi you running???
The tyre pressure chart on the door sill is for factory fitted tyres. So if you have changed tyre size & make it no longer applies.

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  • zebraman
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01 Aug 2020 12:19 #225939 by zebraman
Replied by zebraman on topic What tyre psi you running???
When I had my tyres swapped the tyre fitting place had set them to 38psi. Boy was it a bouncy ride home. On the back of this thread I've gone from 26 to 24psi and it's made a world of difference.

I've got 225/70 16 Toyo open country tyres. Would you guys recommend even lower than 24?

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  • Lambert
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  • The quickest Jimny in Harrogate...(that I own)
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01 Aug 2020 13:32 #225942 by Lambert
I've just reread the post mentioned and notwithstanding my confusion with regards to wheel offset I stand by the comments I made regarding the tyre pressure proposed to Hulk. The information provided by his contact at his local bfg agent doesn't seem to work. As far as can be determined the information provided seems to be based on some rework of the existing factory tyre pressure chart rather than asking for the individual axle load to then calculate the actual pressure with relation to the maximum weight and pressure determined by the load index specific to the actual tyre. It also seems to suggest significant over pressure for the stipulated off road conditions for example mud and sand at 19 psi in a Jimny is hardly any deflection at all, 10 or 12 psi is going to be nearer the mark to gain some kind of floatation and allow the tyre to conform around obstacles like rocks or roots rather than having to climb over them. Often times I have been able to drive my Jimny out of trouble by dropping the pressure to what almost looked flat.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!

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  • GeorgeC
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01 Aug 2020 19:23 - 01 Aug 2020 19:29 #225954 by GeorgeC
Replied by GeorgeC on topic What tyre psi you running???
Lambert, please don't apologise for the confusion over offset, your advice saved me from making a rather large financial error by not buying the "wrong" rims from Japan! Well done!! It transpired that the rims I was considering were cheap knock-offs, not JJ profile and of unknown (varying?) offset! They had copied Suzuki Parts Book data to market them.

The last two times I bought wheels (overseas) I had them sent by sea freight, as un-accompanied baggage from the UK to Australia. I still have not found a suitable way to replicate this method under Covid19 Conditions with a set of Steels from a Gen 4-SZ4.

Just you keep up the good work Lambert, we love you!! :)
Last edit: 01 Aug 2020 19:29 by GeorgeC.

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  • zebraman
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01 Aug 2020 20:18 #225956 by zebraman
Replied by zebraman on topic What tyre psi you running???
Oh man I sold my sz4 steels and tyres on eBay last month. 350 for 5.

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  • Lambert
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01 Aug 2020 20:26 #225957 by Lambert
Never sell anything, hoard everything, you never know how it might become useful!

Thanks George, glad you dodged the bullet.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!

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