Tire Pressure recommendation (5 Viewers)

[gaijin]

What made you decide to use the RCTIP from Load 116 line on the TIP over the load 112 rated tire?

Both OEM and suggested alternate are 17" tires.

I really don't want to have to parry 20 gotcha questions from you over a hypothetical...

What would you recommend, and why?

HTH

 

[ryanCA]

@gaijin need you again.

275/65/18 SL General Grabber ATX

 

[lx200inAR]

Both OEM and suggested alternate are 17" tires.

I really don't want to have to parry 20 gotcha questions from you over a hypothetical...

What would you recommend, and why?

HTH

Well, I should not have bothered asking. You have suggested RCTIP for P285/70R17 plenty of times in this thread.

I think the point is that at the very least it's bad practice to recommend RCTIP lower than the stated RCTIP on the TIP regardless of the tire size change. This previous posters Euro 200 TIP sheds light into Toyota's thoughts on the subject as well. They clearly believe that the actual inflation pressure stated on the TIP is more important than the corresponding load capabilities of whatever tire that is suggested.

So my recommendation would never be lower than the 35PSI that is stated on his TIP, or the 33PSI that is on most NA 200s.

 

[TeCKis300]

Well, I should not have bothered asking. You have suggested RCTIP for P285/70R17 plenty of times in this thread.

I think the point is that at the very least it's bad practice to recommend RCTIP lower than the stated RCTIP on the TIP regardless of the tire size change. This previous posters Euro 200 TIP sheds light into Toyota's thoughts on the subject as well. They clearly believe that the actual inflation pressure stated on the TIP is more important than the corresponding load capabilities of whatever tire that is suggested.

So my recommendation would never be lower than the 35PSI that is stated on his TIP, or the 33PSI that is on most NA 200s.

Agreed. RCTIP falls apart again.

Running any tire at lower than the door jamb is not advised as load rating of the tire carcass is not the only consideration.

For some of these taller profile tires including the P285/70R17 tire in question, I would go higher still for sidewall and rollover stability. IMO 35-40 PSI would be the right ballpark.

I would advise individuals to cross check pressures with a chalk test. Which also factors in rim width and how that affects the tread profile of the tire.

 

[gaijin]

You have suggested RCTIP for P285/70R17 plenty of times in this thread.

But never for a European version diesel...

I think the point is that at the very least it's bad practice to recommend RCTIP lower than the stated RCTIP on the TIP regardless of the tire size change.

I didn't. TIP shows 35psi which is the same as my RC TIP of 35psi.

So my recommendation would never be lower than the 35PSI that is stated on his TIP, or the 33PSI that is on most NA 200s.

So... you would recommend the same as my 35psi, or something higher? I still don't see an answer to my questio0n about what, exactly, your recommendation would be to the OP for P285/70R17 tires on his European version diesel.

Well, I should not have bothered asking.

That's OK - you didn't bother answering, so it evens out.

HTH

 

[gaijin]

@gaijin need you again.

275/65/18 SL General Grabber ATX

Not enough info.

Do you mean this tire?

If so, what vehicle are you putting it on?

 

[lx200inAR]

That's OK - you didn't bother answering, so it evens out.

HTH

What would you recommend, and why?

So my recommendation would never be lower than the 35PSI that is stated on his TIP, or the 33PSI that is on most NA 200s.

Not sure how I didn’t answer your question.. but whatevs.

Here’s just a quick snapshot’s of times you’ve recommended a RCTIP lower than the TIP for P285/70R17 I assume you are just avoiding the heart of the conversation at this point, although I’m not sure why.

 

[gaijin]

Not sure how I didn’t answer your question.. but whatevs.

Not sure how you consider, "So my recommendation would never be lower than the 35PSI that is stated on his TIP" as an answer. From your "answer," one can infer that 45psi would be OK. Is that what you meant?

Here’s just a quick snapshot’s of times you’ve recommended a RCTIP lower than the TIP for P285/70R17 I assume you are just avoiding the heart of the conversation at this point, although I’m not sure why.

View attachment 3860098

And not a single one of those RCTIP recommendations is for a European version diesel - just as I stated.

If you refuse to stick to the topic at hand, and insist on a one-way inquisition instead of a legitimate conversation, I'm done here.

I have set your account to Ignore.

HTH

 

[ryanCA]

Not enough info.

Do you mean this tire?
View attachment 3860081

If so, what vehicle are you putting it on?

yup

19, LC 200 usdm, 5.7 l

 

[lx200inAR]

Now this thread is going to be real hard to follow..

 

[hoser]

AFAIK, sometimes the minimum tire pressure is based on TPMS pressure threshold, not weight nor weight capacity.

 

[gaijin]

yup

19, LC 200 usdm, 5.7 l

Got it!

The RCTIP (Recommended Cold* Tire Inflation Pressure) for those ISO-Metric 275/65R18 116 SL tires on your LC200 is 33psi F/R.


*According to Toyota:

Tire Pressure vs. Tire Temperature

Tire temperature is dependent on “cold” tire pressure, driving distance and speed, ambient temperature and road surface temperature. As the temperature of the tire changes, air in the tire expands and contracts, changing the tire’s air pressure. The cold tire pressure for all Toyota models will vary and will need to be adjusted accordingly.

“Cold” tire pressure, as shown on the tire pressure label on our vehicles, is generally considered to be the pressure in a tire that has not been driven in the past 4 hours and has been parked outdoors.

HTH

 

[ryanCA]

Got it!

The RCTIP (Recommended Cold* Tire Inflation Pressure) for those ISO-Metric 275/65R18 116 SL tires on your LC200 is 33psi F/R.


*According to Toyota:

Tire Pressure vs. Tire Temperature

Tire temperature is dependent on “cold” tire pressure, driving distance and speed, ambient temperature and road surface temperature. As the temperature of the tire changes, air in the tire expands and contracts, changing the tire’s air pressure. The cold tire pressure for all Toyota models will vary and will need to be adjusted accordingly.

“Cold” tire pressure, as shown on the tire pressure label on our vehicles, is generally considered to be the pressure in a tire that has not been driven in the past 4 hours and has been parked outdoors.

HTH

thank you kindly!!!!

 

[rustsatz]

Hello @gaijin

What’s the RCTIP for a 2016 LX570

Michelin Defender LTX M/S2
285/60R/18
116T EXTRA LOAD
MAX LOAD 2756 @ 50PSI

Thank you!

 

[gaijin]

Hello @gaijin

What’s the RCTIP for a 2016 LX570

Michelin Defender LTX M/S2
285/60R/18
116T EXTRA LOAD
MAX LOAD 2756 @ 50PSI

Thank you!

The RCTIP (Recommended Cold* Tire Inflation Pressure) for those ISO-Metric 285/60R18 XL 116 tires on your LX570 is 34psi F/R.

*According to Toyota:

Tire Pressure vs. Tire Temperature

Tire temperature is dependent on “cold” tire pressure, driving distance and speed, ambient temperature and road surface temperature. As the temperature of the tire changes, air in the tire expands and contracts, changing the tire’s air pressure. The cold tire pressure for all Toyota models will vary and will need to be adjusted accordingly.

“Cold” tire pressure, as shown on the tire pressure label on our vehicles, is generally considered to be the pressure in a tire that has not been driven in the past 4 hours and has been parked outdoors.

HTH

 

[juanvdiaz]

Got it!

The RCTIP for those ISO-Metric 285/65R17 SL 116H tires on your LC200 is 35psi F/R.

HTH

Thanks so much! Day and night compared to the tire shop 42 PSI recommendations.

 

[gaijin]

Thanks so much! Day and night compared to the tire shop 42 PSI recommendations.

You're very welcome.

 

[juanvdiaz]

BTW - My truck comes with KDSS instead of AHC unlike most European/UK LC200 versions. I know you guys were debating whether KDSS would make a difference or not in the calculation.

 

[gaijin]

BTW - My truck comes with KDSS instead of AHC unlike most European/UK LC200 versions. I know you guys were debating whether KDSS would make a difference or not in the calculation.

Thanks for the info. KDSS is what I used for my recommendation - I was worried that you might have a LC200 spec'd for AHC, so I suggested that as a qualifier for re-examining the recommendation; but it is OK because you have KDSS.

HTH

 

[thezbone]

@gaijin what would the RCTIP be for Nokian Outpost nA/T 285/70R17 116T on a 2013 LC?