This is topic nitto tire pressure... in forum Tech Talk at Northern California Ford Owners  .


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Posted by PeNiNsula302 (Member # 1061) on :
 
What tire pressure should nitto d/r's be at for street driving??
 
Posted by GR40Coupe (Member # 698) on :
 
44 psi.
 
Posted by PeNiNsula302 (Member # 1061) on :
 
quote:
Originally posted by GR40Coupe:
44 psi.
[Eek!] [Eek!] HOLY shit, i check them today and they were at 15 [Eek!] [Eek!]
 
Posted by GR40Coupe (Member # 698) on :
 
on the side if the tire it says 44 psi.
 
Posted by Black94 5.0 (Member # 655) on :
 
quote:
Originally posted by GR40Coupe:
on the side if the tire it says 44 psi.
OH MY GOD YOU'RE NOT SERIOUS!, right?...

Dude the psi rating on the side of the tire is for MAX load rating....Its the max psi you can put in the tire...

Ford have tested the factory size tire and took everything into consideration, (mostly vehicle weight), when suggesting air pressure in the tire...----35psi

Have you ever looked at your passenger "b" pillar, you know when the passenger door is open you can see the factory tire pressure ratings [Roll Eyes] (Also sometimes located in the glove box)..

--Basically for the correct tire pressure you really have read the tire wear...Start with the factory recommended psi, then go higher if you get wear on the outside of the tire and vise versa...If you race a lot on the street and dont want to get out to change you tire pressure all the time then run it a little lower than the factory recommendations, maybe 28psi..
 
Posted by GR40Coupe (Member # 698) on :
 
hey i never said i ran mine at 44 psi. [Razz]

[ March 29, 2003, 11:08 AM: Message edited by: GR40Coupe ]
 
Posted by 91GR40LX (Member # 1329) on :
 
I run mine at 35psi on the street. Do a search on previous threads to find out what people run at the track. I believe 18-20psi with a 1-3 sec warm-up.
 
Posted by Quick 88LX (Member # 1950) on :
 
15-18psi at the track and anywhere between 35-40psi for the street. My .02
 
Posted by 93PONY (Member # 60) on :
 
I run my 555R's ~25psi on the street. They hook MUCH better then I expected.
Hell, once warmed up it's holding 1st gear from a roll! [Eek!]
The stardard 555's would break loose from a 3rd gear roll @60mph.
 
Posted by HungryHippo (Member # 537) on :
 
you want about 25-28psi or the middle tread will wear out faster
 




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