new tires.. what pressure should i run

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Knuckles are fine and wheel bearings are fine - have just checked all that out. I don't have the skill to check that tie-rod ends aren't worn, but the alignment place can check them along with re-balance the tyres.

My main query is about whether running a matched tyre pressure all round compared to Toyota's spec (different for front and rear) is better.
 
Run an equal tire pressure all the way around and you'll be fine. Assuming you are not hauling 4 gorillas in the back (or Joeys as it may), you will be fine with equal tire pressures.

I ALWAYS run equal pressures in all 4 tires on ALL my 4WD vehicles. There is minor debate on rolling radius of a tire that has less weight VS more weight, so adjust the pressures accordingly.

The MOST important is to make sure you have equal pressures SIDE TO SIDE on the same axle. Otherwise, you will have very poor handling.

Notice that Toyota recommends a HIGHER weight in the rear because they ASSUME that these trucks will ALWAYS have a given load in them, and it is usually in the rear.
 
This thread got me lolling, thanks everyone. Quick question: do you think it's OK to run a bald 265/75r16 falken as a spare when the rest are 315/75r16 pro-comps? I just need confirmation so i can tell the wife to shut up.
 
Golgo13 said:
If you run at too high of a tire pressure you will have head gasket problems
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For sure. The factory seals are designed for 32 psi as the door sticker prescribes. I knew a guy who blew his head gasket in Moab when he was running only 25 psi cold.
 
Heckraiser said:
I just need confirmation so i can tell the wife to shut up.
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Your wife is suggesting you get the correct sized spare? Why would you be hostile to that? Thats a recipe for a blown headgasket if I ever heard one.
 
Heckraiser said:
This thread got me lolling, thanks everyone. Quick question: do you think it's OK to run a bald 265/75r16 falken as a spare when the rest are 315/75r16 pro-comps? I just need confirmation so i can tell the wife to shut up.
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Once again....You're wife just thinks it's too small..............
 
We had a new guy on a local club run show up with his BFG 285/75/16 Ko2's set at 80psi since that what the sidewall said. He mentioned that the ride was rough and that his wife didn't want to ride in the cruiser if she didn't have to. After a few miles of washboard everyone pulled over to air down and someone "showed him the way". Lets just say his mind was blown and he rides a lot more comfortably these days.

I run 32psi and it seems to work fine as a good baseline. Like others have said you will need to fine tune the psi based on load, tire size, usage etc but the factory 32psi is a good place to start from.
 
Please seek medical attention if your overinflated tires last more than 4 hours.
 
BILT4ME said:
Once again....You're wife just thinks it's too small..............
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What if I balance the 265 with 8 ounces of viagra pills?
 
Heckraiser said:
What if I balance the 265 with 8 ounces of viagra pills?
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You'd have to be careful! It may be over-inflated for more than 4 hours!
 
Interesting comments. I seem quite ok using 40 psi all round. Had tyres balanced about a week ago and that helped a little. But the tyre shop found the bushes in the Superior Engineering 'superflex' arms are going and need to be replaced before the alignment (and therefore caster) can be properly checked.
 
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