PSI on 35 inch tire

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motley1987

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I'm getting 35s installed tomorrow on the stock rims and want to know what PSI I should be running them at? Thanks for the info!
 

kabrookens

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I have had mine set at 40, only because Im running 35x12.50s on the stock 17x7 rim. Honestly haven't done more than 47psi and that was in the winter. Afraid that anymore the rim won't hold that large of a tire
 

Jimmy68

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Different tires, brands, makes, sizes, ply, rating, etc. Too many variables for a general question.
 
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motley1987

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Motley 1987...

Girls Girls Girls?


What do the TIRES say in inflate them too?

Haha! Yeah, that was the first year I saw them live. I'll know when I pick it up later. I had larger tires put on an suv years ago and they over inflated them so much that I bounced all over the road. I just know I can't go by what the truck info says to inflate them anymore . I guess I'll circle back once I pick it up and drive it home .
 

muddy12

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I used to do this when I still had my jeep YJ, and plan to do it again when my new 35's arrive next week.
Get some sidewalk chalk, and find an empty parking lot or back road.
1: Put a stripe of chalk across the tire tread.
2: Drive a short distance and check the chalk.
3: Adjust pressure accordingly.
you are looking for the chalk to wear off evenly across the width of the tire.
Chalk wearing off of the edges first = tire pressure to low.
Chalk wearing off of the middle first = tire pressure to high.
By doing this, you get the best pressure for your setup.
NOTE: Pressure will still need to be adjusted for loads.
 
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motley1987

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Joined
Aug 13, 2014
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135
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Ram Year
2014
Engine
Hemi 5.7
I used to do this when I still had my jeep YJ, and plan to do it again when my new 35's arrive next week.
Get some sidewalk chalk, and find an empty parking lot or back road.
1: Put a stripe of chalk across the tire tread.
2: Drive a short distance and check the chalk.
3: Adjust pressure accordingly.
you are looking for the chalk to wear off evenly across the width of the tire.
Chalk wearing off of the edges first = tire pressure to low.
Chalk wearing off of the middle first = tire pressure to high.
By doing this, you get the best pressure for your setup.
NOTE: Pressure will still need to be adjusted for loads.


Sounds easy enough, I'll give it a shot. Thanks for the info!
 

JasonK94Z

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Anderson, SC
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2011
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Hemi 5.7
I used to do this when I still had my jeep YJ, and plan to do it again when my new 35's arrive next week.
Get some sidewalk chalk, and find an empty parking lot or back road.
1: Put a stripe of chalk across the tire tread.
2: Drive a short distance and check the chalk.
3: Adjust pressure accordingly.
you are looking for the chalk to wear off evenly across the width of the tire.
Chalk wearing off of the edges first = tire pressure to low.
Chalk wearing off of the middle first = tire pressure to high.
By doing this, you get the best pressure for your setup.
NOTE: Pressure will still need to be adjusted for loads.



This is the best way to figure out correct psi.


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