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#4496226 - 08/23/17 03:58 PM Follow Inside Door Plaque Tire Pressure ?
ChrisD46 Offline


Registered: 09/10/10
Posts: 1838
Loc: GA.
Do you follow the inside door plaque for OEM vehicle recomended tire pressure - or do you prefer to go a little over by a few pounds ?
_________________________
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
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#4496235 - 08/23/17 04:03 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
JHZR2 Offline



Registered: 12/14/02
Posts: 41403
Loc: New Jersey
I go a little over. I like the slightly firmer ride, and notionally it gives better load capacity and fuel economy.

Ive never had issues with longevity, our tires age out with 50k+ on them and plenty of tread.

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#4496237 - 08/23/17 04:07 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
ChrisD46 Offline


Registered: 09/10/10
Posts: 1838
Loc: GA.
Typically OEM reccomendations for tire pressure are for most comfortable ride - I usually go about 4 lbs. over when tires are cold .
_________________________
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder

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#4496256 - 08/23/17 04:39 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
dparm Offline


Registered: 04/19/10
Posts: 13450
Loc: Chicago, IL
Originally Posted By: ChrisD46
Do you follow the inside door plaque for OEM vehicle recomended tire pressure - or do you prefer to go a little over by a few pounds ?


Yes, because this is something that's thoroughly tested. The OEMs don't just pull a number out of their [censored]. Being off by 1 or 2 psi is fine, but I wouldn't intentionally over or underinflate -- big safety risk.

Many manufacturers actually have a matrix on those plaques in case you will be running with a full load and/or an alternate snow tire.
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#4496265 - 08/23/17 04:49 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
bioburner Offline


Registered: 09/19/16
Posts: 1418
Loc: Minnesota
Yes-No. The Ford dually is a strange bird. The fronts I run what they say but the rears they suggest 45? Local tire shop said no way if your mostly hauling a 5th wheel so close to the sidewall of 80.
Everything else is at or now with falling temps a couple over. The vehicle that showed the most issue with not following guide was the Chevy HHR. If over, the center would wear, if low the mileage would take a beating


Edited by bioburner (08/23/17 04:52 PM)
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#4496277 - 08/23/17 05:07 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
BrocLuno Offline


Registered: 09/06/15
Posts: 5207
Loc: Kalifornia Kollective
It all depends on what you are doing ... Plain old street driving with OEM sized tires - yeah sure follow the door decal.

Going off road with oversized tires, low pressure. Going rock crawling, over pressure.
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4496295 - 08/23/17 05:23 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
NoNameJoe Offline


Registered: 06/03/15
Posts: 349
Loc: New York
I either do the exact amount or a little over. I found more than 2 PSI over makes the ride too harsh (although I get great mileage). Lower than what they recommend makes my mileage plummet. What they recommend seems to be the best compromise between harshness and mileage.

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#4496316 - 08/23/17 06:06 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
earlyre Offline


Registered: 11/22/11
Posts: 3803
Loc: Lima, Ohio, USA
For some reason my dad insists on keeping the tires on Mom's Taurus at 38psi. Door placard says 32. If it gets below 35 (she does have 1 SLOOW leaker) he says it "steers like a log wagon"

I keep my same year sable at 35, and it drives just fine....


Edited by earlyre (08/23/17 06:10 PM)
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Mine:
09 Mercury Sable : 6qts AutoQuest(Meijer/Warren) 0w20, WIX 51516
Mine to Maintain:
03 Pontiac Vibe : 4.5qts VWB 5w30,WIX 51394

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#4496318 - 08/23/17 06:08 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
SrDriver Offline


Registered: 12/09/06
Posts: 2789
Loc: Southeast Alabama
I run one or two pounds over recommended pressure. Check in morning before vehicle is driven and top off. When on a trip freeway driving add about 3 pounds over making sure not that I exceed the max cold pressure warning on the side of the tire.

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#4496332 - 08/23/17 06:23 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
NormanBuntz Offline


Registered: 07/27/13
Posts: 2012
Loc: Outer Banks, NC
Plus 1 or 2 pounds.
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2013 Honda Accord LX
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#4496342 - 08/23/17 06:35 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
sasilverbullet Offline


Registered: 08/22/04
Posts: 1375
Loc: San Antonio, Texas
I always go with the door placard.
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#4496380 - 08/23/17 07:16 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
69GTX Offline


Registered: 09/23/15
Posts: 3742
Loc: Connecticut
3-5 psi over so I don't have to check them as frequently. When I had all 4 tires leaking around the rotting rims on my last daily driver, I put them 8 psi over and still had to refill them every few weeks around 28 psi.
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----------------

2002 Lincoln Cont 4.6L DOHC/ 81K mi /PPlat 5w30/FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs

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#4496406 - 08/23/17 07:46 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
Stevie Offline


Registered: 11/08/04
Posts: 137
Loc: Port Aransas, TX
Overinflating the recommended pressure on the front on my wife's Elantra makes the car wander and kind of skittish on the highway. Correct pressure and the car just tracks nice and true without any input.

My SLK just rides and handles nicer with the recommended pressures.

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#4496468 - 08/23/17 08:48 PM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
Cgreene221 Offline


Registered: 08/05/17
Posts: 9
Loc: NC
Normal on road driving my rule at the shop is 3-4 psi over door recommendation

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#4496594 - 08/24/17 01:52 AM Re: Follow Inside Door Plaque Tire Pressure ? [Re: ChrisD46]
FZ1 Offline


Registered: 02/07/08
Posts: 4727
Loc: Texas
Never more than the placard +1 or -1 for me. I equalize the pressure on all 4 tires. The dealer/tire people don't usually get all 4 exact.

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