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  #1  
Old 04-22-2010, 03:59 PM
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Startech 19" wheels tyre pressure

Does anyone know what the correct tyre pressures are for my 2004 4.7L H.O. Grand Cherokee Overland fitted with Startech 19" alloys and 255/50/19 tyres..
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Old 04-22-2010, 04:06 PM
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Re: Startech 19" wheels tyre pressure

I would say it is close to your stock wheels air pressure
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  #3  
Old 04-22-2010, 07:33 PM
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Re: Startech 19" wheels tyre pressure

Check the side of the tire...max psi
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Old 04-22-2010, 07:44 PM
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Re: Startech 19" wheels tyre pressure

Quote:
Originally Posted by Unholyskorn86 View Post
Check the side of the tire...max psi
That's bad info, sorry mate.



I would suggest you run between 38 and 42 psi cold.
38 if you need optimum ride comfort, 40-42 if you want maximum tire life.

Cheers, Ben.
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Old 04-22-2010, 10:11 PM
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Re: Startech 19" wheels tyre pressure

How is checking the tire for tire pressure bad info?
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Old 04-22-2010, 11:16 PM
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Re: Startech 19" wheels tyre pressure

You said to pump it to max psi didn't you?
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Old 04-23-2010, 01:39 PM
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Re: Startech 19" wheels tyre pressure

MAX PSI that is written on the side of the tire is the pressure to get the most life out of the tire isn't it?
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Old 04-23-2010, 01:53 PM
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Re: Startech 19" wheels tyre pressure

no man max psi is for it not to POP in ur face LOL

max as in that's the max it can handle also imagine the heat and pressure that builds up from driving and hot weather conditions that's askin for something bad
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Old 04-23-2010, 05:32 PM
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Re: Startech 19" wheels tyre pressure

best way to test, get a tire crayon from any auto store, draw a line across the tread. run it down the road and see where it starts wearing from. if it wears in the middle first, then you are over pressure. wears on the outside then you are under..its simple takes some time but you can get it perfect for your vehicle.
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Old 04-24-2010, 04:57 PM
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Re: Startech 19" wheels tyre pressure

My tires are max 35psi and i run them at 40psi onroad and 30 offroad your telling me that these are going to blow up? Been driving these style tires at 40psi for over 5 years...
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Old 04-26-2010, 03:37 PM
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Re: Startech 19" wheels tyre pressure

If I recall correctly from my WJ manual, I think it's 34 psi on stock tyres. That said I run mine at 38.
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Old 04-26-2010, 04:23 PM
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Re: Startech 19" wheels tyre pressure

Yeah but we are not talking about stock tires so...Again, go with what it says on the tire is what I do, maybe 5 more or less depending on how firm you want. I have had 3 sets of BFG AT that say 35max psi and i run em at 40 on road and 30 on road. No problems in years.
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