Dealer Over Inflated Tires

Luciano13 · 01-07-2014, 11:51 AM

I thought stock 19" on the 370z r 65psi ?? Doesn't it say that on your door?? 20" should have 32-35 psi. I would double check your door for proper specs on 19"

Volk Z · 01-07-2014, 12:23 PM

Quote:

Originally Posted by Luciano13

I thought stock 19" on the 370z r 65psi ?? Doesn't it say that on your door?? 20" should have 32-35 psi. I would double check your door for proper specs on 19"

Uh.... no. I don't know any tires that request 65 psi. .. I assume the max tire pressure on the advans on my nismo is like 50 psi max and the bridge stones are probably 50 to 55 psi max

4r3s · 01-07-2014, 12:49 PM

Quote:

Originally Posted by Volk Z

You will get better mpg with 40psi but a little rougher ride

The 0.07% difference in your gas mileage for pumping the tires up +13psi is not a valid reason to over inflate your tires. A real reason to not do it is that the ride goes to **** and your handling is impaired.

Debunking a Mileage Myth: Can You Really "Pump Up" Your Fuel Economy? - Popular Mechanics

A general, good rule of thumb, for almost any car is to fill the tires up to 32-35psi.

jcosta79 · 01-07-2014, 01:06 PM

Better than having them under-inflated.

jaedub · 01-07-2014, 01:13 PM

Never trust dealership. Vast majority of the people that works there have no clues on what they're doing.

Volk Z · 01-07-2014, 01:37 PM

Quote:

Originally Posted by 4r3s

The 0.07% difference in your gas mileage for pumping the tires up +13psi is not a valid reason to over inflate your tires. A real reason to not do it is that the ride goes to **** and your handling is impaired.

Debunking a Mileage Myth: Can You Really "Pump Up" Your Fuel Economy? - Popular Mechanics

A general, good rule of thumb, for almost any car is to fill the tires up to 32-35psi.

no doubt i fully understand you still get better mpg with higher inflated tires. Never advised to pump up 13 psi to improve mpg.

FrostyNaples · 01-07-2014, 02:55 PM

Quote:

Originally Posted by TreeSemdyZee

Just out of curiousity OP. What kind of tire gauge are you using?

I have a digital gauge readout on the mini compressor - i set it to 35.5, it does the rest.

I double checked with your off the shelf needle dial, same results (which is nice to know they are giving me the same info).

FrostyNaples · 01-07-2014, 02:58 PM

Quote:

Originally Posted by jaedub

Never trust dealership. Vast majority of the people that works there have no clues on what they're doing.

I just HATE how accurate this statement is.

Truth hurts..

Luciano13 · 01-07-2014, 03:46 PM

Quote:

Originally Posted by Volk Z

Uh.... no. I don't know any tires that request 65 psi. .. I assume the max tire pressure on the advans on my nismo is like 50 psi max and the bridge stones are probably 50 to 55 psi max

My mistake, you're right, i was think the 18" spare lol.

TreeSemdyZee · 01-07-2014, 05:57 PM

Quote:

Originally Posted by Luciano13

My mistake, you're right, i was think the 18" spare lol.

'zactly.

35 cold.
/thread

BuckeyeZ · 01-07-2014, 06:20 PM

Quote:

Originally Posted by FrostyNaples

Its hard to turn away from my dealer though: Free car washes with no limits, $39.99 full synthetic Mobile 1 oil changes, lifetime engine & transmission warranty.

Montez · 01-07-2014, 06:53 PM

Quote:

Originally Posted by kenchan

i like my tires set at 35-37psi cold.

Yeah 37psi feels just right, not to mushy and not hard as a brick!

koeppelnissan · 01-08-2014, 05:04 PM

Nissan ships the cars with 60 lbs of pressure in the tires (no flat spots if they sit on the lot, less movement on the truck when transporting, etc.) Dealers are supposed to deflate them properly, but you guys are correct, it's not always done. I personally check all Zs myself on delivery, but plenty of other cars leave here with way too much tire pressure. We have 600 cars in stock, and when its this cold out, the mechanics certainly cant bring every car into the shop, and no one is standing outside to ensure everything is done properly.

gsxr750 · 01-08-2014, 07:55 PM

The pressure really depends when you check it and the temperature, if I fill my tires on the honda crv at 32 psi in cold weather or sitting vehicle , they will read about 44 psi when the tires are hot or air temp is around 60 - 70 + degrees

Got_Z · 01-09-2014, 12:18 AM

37 Psi crew checking in

01-07-2014, 11:51 AM	#31 (permalink)
Luciano13 A True Z Fanatic Join Date: Mar 2013 Location: Canada Posts: 2,130 Drives: 2016 Solid Redz Rep Power: 245	I thought stock 19" on the 370z r 65psi ?? Doesn't it say that on your door?? 20" should have 32-35 psi. I would double check your door for proper specs on 19" __________________ http://www.the370z.com/members-370z-...lid-red-z.html

01-07-2014, 01:06 PM	#34 (permalink)
jcosta79 A True Z Fanatic Join Date: Jul 2012 Location: N/A Posts: 1,430 Drives: N/A Rep Power: 14	Better than having them under-inflated. __________________ 2012 PW NISMO #0559 - GT Spec Brace Kit - Swift Springs - ARK TP & Invidia CBE K&N Intake - UpRev Tune - 15mm Z1 Spacers & Studs - StopTech Slotted Rotors & SS Lines - ZSpeed CMAK with Stage 2 Clutch and Lightweight Flywheel

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01-07-2014, 01:13 PM	#35 (permalink)
jaedub Track Member Join Date: Aug 2010 Location: Los Angeles Posts: 906 Drives: 2010 Black 370Z MT Rep Power: 304	Never trust dealership. Vast majority of the people that works there have no clues on what they're doing.

01-08-2014, 05:04 PM	#43 (permalink)
koeppelnissan Supporting Nissan Dealer Join Date: Oct 2009 Location: queens Posts: 859 Drives: 14 6MT Trng Spt Nav Rep Power: 16	Nissan ships the cars with 60 lbs of pressure in the tires (no flat spots if they sit on the lot, less movement on the truck when transporting, etc.) Dealers are supposed to deflate them properly, but you guys are correct, it's not always done. I personally check all Zs myself on delivery, but plenty of other cars leave here with way too much tire pressure. We have 600 cars in stock, and when its this cold out, the mechanics certainly cant bring every car into the shop, and no one is standing outside to ensure everything is done properly.

01-08-2014, 07:55 PM	#44 (permalink)
gsxr750 Enthusiast Member Join Date: Jan 2012 Location: west Posts: 443 Drives: 2012 370z man. sport Rep Power: 13	The pressure really depends when you check it and the temperature, if I fill my tires on the honda crv at 32 psi in cold weather or sitting vehicle , they will read about 44 psi when the tires are hot or air temp is around 60 - 70 + degrees

01-09-2014, 12:18 AM	#45 (permalink)
Got_Z Track Member Join Date: Oct 2013 Location: Dallas Posts: 582 Drives: 11 Sport/Touring 6MT Rep Power: 12	37 Psi crew checking in