Notices

New tires, now what PSI do I use?

Thread Tools
 
Search this Thread
 
Old 11-08-2010, 09:33 PM
  #1  
Senior Member
10 Year Member
5 Year Member
SL Member
Thread Starter
iTrader: (1)
 
StatuSCheckA's Avatar
 
Join Date: Aug 2005
Location: Texas
Posts: 779
Default New tires, now what PSI do I use?

Good day,
I recently purchased new wheels and tires (17 inch) and I would like to keep these maintained better than my last set of tires (baldy's).
I would like to know the PSI inwhich I should keep my front and back tires.

It seems that when I leave them at OEM PSI they appear very low and under inflated. What PSI do users on here use?

Thanks.
StatuSCheckA is offline  
Old 11-08-2010, 09:39 PM
  #2  
Senior Member
10 Year Member
5 Year Member
SL Member
iTrader: (4)
 
Spoony's Avatar
 
Join Date: Jun 2008
Location: ɐɔ 'oƃǝıp uɐs
Posts: 950
Default

What do the tires say?
Spoony is offline  
Old 11-08-2010, 11:01 PM
  #3  
Senior Member
10 Year Member
5 Year Member
SL Member
 
mindoculae's Avatar
 
Join Date: May 2009
Location: New York City
Posts: 163
Default

you don't follow the recommendations on the tire.

the numbers for inflation pressure are on the door jamb.

assuming the replacement tire is 17x7.5x225 then its 32 front and 29 rear.

i inflate my aftermarket wheels 18x7.5x235 to 34 front and 32 rear.
mindoculae is offline  
Old 11-08-2010, 11:28 PM
  #4  
Senior Member
10 Year Member
5 Year Member
SL Member
 
dropzone's Avatar
 
Join Date: Jul 2006
Location: Central TX
Posts: 2,878
Default

I do 37 front, 32 rear, I do some "spirited driving". I'm on 18" though 225/35 series tires, even if I had the 17" wheels, I'd still run the same pressure.
dropzone is offline  
Old 11-09-2010, 03:08 AM
  #5  
Senior Member
5 Year Member
SL Member
 
edwardl's Avatar
 
Join Date: Jun 2010
Posts: 174
Default

Always use manufacturer's recommended specs no matter what tire/wheel size. 32psi front, 29psi rear.
edwardl is offline  
Old 11-09-2010, 03:23 AM
  #6  
Senior Member
10 Year Member
5 Year Member
SL Member
Thread Starter
iTrader: (1)
 
StatuSCheckA's Avatar
 
Join Date: Aug 2005
Location: Texas
Posts: 779
Default

The tires came with 35psi, should I really lower that even more?
Dont your tires almost look flat? I am talking about performance / aftermarket tires here.
StatuSCheckA is offline  
Old 11-09-2010, 03:26 AM
  #7  
Senior Member
10 Year Member
5 Year Member
SL Member
 
draxcaliber's Avatar
 
Join Date: Sep 2006
Location: Maryland
Posts: 11,141
Default

yes, you use the factory recommended specs for tires. you can increase or lower it a bit for your own preferences. when i have long highway trips, i'll increase psi 5 psi for better fuel economy, and lower them a few psi for autocross. but on a general basis, you follow the factory recommended spec.
draxcaliber is offline  
Old 11-09-2010, 01:13 PM
  #8  
Senior Member
10 Year Member
5 Year Member
SL Member
Thread Starter
iTrader: (1)
 
StatuSCheckA's Avatar
 
Join Date: Aug 2005
Location: Texas
Posts: 779
Default

Ok well thank you folks. I will decrease my tires at lunch time.
I guess I though factory specs were just for factory accessories. Perhaps that is why my last tires did not last all that long because they were over-inflated.

Yo Dropzone, what city you stay at?
StatuSCheckA is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Sooby
Scion tC 1G Wheel & Tire
11
04-08-2020 11:51 PM
my06tc
PPC: Engine / Drivetrain
10
06-25-2015 12:18 AM
knepart
Scion FR-S Forced Induction
0
04-25-2015 02:48 PM
B_Real45
PPC: Engine / Drivetrain
1
02-23-2015 07:33 PM
JDMxB
Scion xA/xB 1st-Gen Wheel & Tire
23
02-26-2004 06:16 AM



Quick Reply: New tires, now what PSI do I use?



All times are GMT. The time now is 06:51 AM.