AndreyATC
Member
Nope,Smaller ratio 45 -> 35 always going to be higher PSI
21s are actually lower PSI, per door sticker
The question is, since 19s went up, did 21s go up as well?
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Nope,Smaller ratio 45 -> 35 always going to be higher PSI
Actually, auto manufacturers have been lowballing pressure for years because the marketing department wants a soft ride. In some cases it catches up with them (remember Explorer with Firestones?)Auto mfrs have been rating correct pressures for years.
... and you won't hit their MPG rating.Actually, auto manufacturers have been lowballing pressure for years because the marketing department wants a soft ride. In some cases it catches up with them (remember Explorer with Firestones?)
I can assure you that if you run the vehicle placard pressure of 35 psi on a First Gen Prius, you'll be lucky to get 15,000 miles out of the tires.
I get the sticker, but not the logic (unless the sticker is referring to the 265's in which case maybe).
For same tire width, lower profile has to be higher pressure, unless you want to take the edges off
Logically - maybe
But per sticker - Not really
Logically - maybe
But per sticker - Not really
Tire Pressure for the 19" tires off the P85D
May 10, 2015 at 1:18 AM
Hello Mr. G,
Thank You for contacting Tesla Motors Technical Support. TESLA motors recommends the tire pressure on a P85D with 19” tires be set to 45 psi as stated on the inside door jamb.
If you have any further questions or concerns feel free to contact Technical Support 24/7 at
[email protected] or by phone at 1-877-79-TESLA (83752).
--------------------
Hi,
I've seen threads on forums that state that Tesla's official recommendation for 19" tires on P85Ds is 50 psi now rather than 45 psi as on the door sticker?
Can you please confirm?
Thanks!
-G
--------------------
Regards
Michael Vigil | Technical Support Specialist
45500 Fremont Blvd | Fremont, CA 94538
p 1-877-79-TESLA
[email protected] |
Sent an email to ServiceHelpNA last night and here's the response this morning:
Hmm. Very contradictory answers. Pondering if I should stay with the 45 PSI on my trip to Custer SD this week or try 50 PSI.
You should respond with the chart from the post right above yours (post number 49) and ask how their answer to you is consistent with the chart.
There's also a picture of a door sticker in another thread, showing the 50 psi recommendation. You could include that too.
50 psi is correct for the P85D.