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Optimal tyre pressures (not stock width tyres) 

 

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Posted: Tue Mar 06, 2007 9:26 pm 
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Why do car manufacturers always recommend less pressure in the front tyres than the back? Confuzzled.

 

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Posted: Tue Mar 06, 2007 9:29 pm 
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cjh wrote:
Till_Lind wrote:
Thanks lads, especially cjh. I'll keep those highway pressures in mind when I eventually go for my Rockhampton roadtrip.

O, and going down to superlows won't effect it at all will it? Won't have to change pressures, right?


How much suspension travel do you still have left???
How come you wanna come up here???? Its hotter here than Brizzy. Its usually hotter here than in Cairns.
Have a good trip, and watch the cops, there are radar traps everywhere.
They ( Qld Govt ) have handed out radar guns like free icecream. Even the cops in One horse/one dog towns have them now.


How much suspension travel left? What the hey do you mean? lol.

I'm going up there because i lived there for 6 years, want to catch up with some folks, and just relax for a few days. Hustle and bustle of Brisbane is just annoying sometimes, Rockhampton was relaxed. Also grandma is in yeppoon, so I can stay down there and relaxxxx.

Hopefully my cruise will be working by then, so police won't be an issue I hope.

 

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Posted: Tue Mar 06, 2007 9:31 pm 
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Dunno, makes ya think though, the front is heavier, because of the engine and tranny being over the front.
With wagons, make them the same f & r.

 

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Posted: Wed Mar 07, 2007 12:21 am 
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Till_Lind wrote:
Why do car manufacturers always recommend less pressure in the front tyres than the back? Confuzzled.


This isn't always the case, depends on if the vehicle is expected to carry a load i.e. 4wd's, trucks etc (Discovery is 32 Front, 38 rear) are more likely to pulling a heavy trailer etc, but in many cases the rear pressure on them is to high because the knobs that own the 4wd's don't even use them for the work they are designed for.

 

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Posted: Wed Mar 07, 2007 12:58 am 
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then again youd think youd want the front at higher pressure to stop sidewall roll in corners.


i got 17's and i usually put em up to around 42psi. 20,000km. perfect wear :)


just have a look on the tyre to, they generally give a general inflation guide. (my tyres say max 51PSI, im not that game ;))

 

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Posted: Wed Mar 07, 2007 2:37 am 
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Last edited by blackjack_original on Sat Jun 07, 2014 12:27 am, edited 1 time in total.

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Posted: Wed Mar 07, 2007 6:07 pm 
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blackjack_original wrote:
Like they say though, just because you can, don't mean you should.



aww but i wanna :lol:

 

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Posted: Wed Mar 07, 2007 6:35 pm 
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cjh wrote:
phongus wrote:
I have god knows what tyres but are 17s and I have them at 40...too much?

phong =P~


If you only drive it round town, its OK. Helps keep them wearing square.


yeah I mainly drive in town...not much highway driving...last highway drive was with the FM boys to Apollo bay...was a long drive though.

phong =P~

 

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Posted: Wed Mar 07, 2007 7:47 pm 
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i ahve 235/40 front and 245/40 rear and i run them on 38psi remember when ur driving between 80 -100km your tires expand so will be running at about 40+psi which is your optimal ride..

 

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Posted: Wed Mar 07, 2007 11:24 pm 
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Tyre pressures for a Falcon. 15" 32-36psi. 16" 36-38psi. 17" 36-40 psi. 18"+ 40 psi. I was a tyre fitter and aligner for 10 years.

 

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Posted: Wed Mar 07, 2007 11:39 pm 
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Thanks guys, appreciate the information.

 

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