Determining the correct PSI for new tires and upsized wheels
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- เผยแพร่เมื่อ 18 ต.ค. 2018
- When buying new tires and wheels that are different than original setup, most people go off of their old setup to determine the PSI used...this video should help in that regard, putting the correct PSI in your car is important overall for safety, save money, and get the most out of your new tires. Link below:
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This is ESSENTIAL information. As a car enthusiast, I can't believe I never realized this.
Excellent. This is a great help. I changed my 16 inch wheels and tires on my truck to 18 inch. I had no idea what to run in these new tires. Thanks to you now I do.
I knew that my new "plus 2" setup wouldn't use the tire pressure indicated on the vehicle for the original wheel tire combo, but I didn't know how to calculate what the new, correct pressure would be. This video was extremely helpful. Thanks!
Thank you! Was wondering what I should inflate my aftermarket tires to.
Thanks for the info. Very informative and straight to point!
It's taken a couple of attempts for me to search and find something to help me calculaten inflation for large wheels and/or tyres. I knew there had to be one but didn't knwo how to get to it. Thank you so much!
Very useful information. Thanks for sharing!
Perfect timing. I just ordered some 20's last week after getting the lowering springs installed. The height I have now should have been stock from the factory. The stock wheel/fender spacing is ridiculous.
Nice and congrats!...yeah after lowering you'll see how crazy the space was.
Really useful information. I wonder why it only has lil over 1.5K views. Maybe you can make a tweak here and there so more people would find your videos. Maybe different title or with actual wheels with stock and upsized inflated to the said tyre pressure. All in all thanks to your videos.
Thank you 😊
Thank you bro!
I hope you can share to us the PDF file since the website is long gone.
Thanks!
Ty dude!
Question I have a 2010 Lincoln towncar with a OE Size of 225 60 17 to 225 65 17 and factory air pressure is 35 on all 4 with the slight increase 35 not only set off my low tire pressure warning light and felt like driving with a sloppy tire filled up my tire to 40psi and drives way better. What does the recommendations from the book say is the proper pressure
I have 20 inch rims all around , 255s in front and 295s in back. What should my tire pressure be in front and back ?
The load index shouldn't change that is the weight the tires can handle which is the loaded weight of the car. The seed rating may be upgraded.
In my bike stock tyres is 29 psi with 90.90.18 size i want to use 100.90.18 tyre for same load and drive conditions what willl new pressure for upsized tyre?????
I got a car with 275/45/17s, the front are 245s. Max pressure with full car load requires 51 psi. Since I am only one in car; is 40psi ok?
I can't download the pdf. May someone help me to get it? Thanks anyway.
I've found this same link all over the internet and it doesn't see to load for me
Doing this would put my tire pressure below the 40 psi min..... more like 25.... oem tire 111 at 35 psi= 2339, new tire 126 load E....
Actually you can Calculate your self
My previous tire is 185/55 R15 max load 475kg at 51 psi (on door manufacturer recommend 31 psi) i can calculate at 31 psi we get 295 kg each tire. And i bought new one, upsize wheel with 195/50 R16 max load 500kg at 44 psi so i recalculate but i increase little bit from 295 to 310 each tire max load so i get 27 psi for 195/50 R16
too bad the link is not available anymore
What if less than 80 loading? Like 78 or 72
How can I get a chart like this?
I Can't Find This Chart
where did you get that data chart!!!
My stock miata tires were LI:84 at 29 psi so 926. The new PS4S's are rated at LI:94, and the lowest on the chart is 1044 at 24psi.........so I would think that according to this I should go lower than 24, perhaps 22? Seems quite the drop
Yeah some of the older miatas I think took 22 anyway. There is a bottom out though where no matter how light the car is you're going to bottom out at about 22 PSI. So since 22 is the bottom if you want to be safe you can do like 23 24 if you just don't want to be on the bottom. 22s usually the bottom on the inflation table ( for metric). And if you're going to do 22 I would do metric tires not pmetric tires they're a little bit tougher - metric tires are.
Nice video man I have questions
link not working
skip to 2:02,,if you know the basic,,,,,,,,,,,,,,,,,,,good video tnx..
515 kg load, whats the perfect psi for that?
what’s that book?
Link not working
So when tires heat up after driving are you over inflated? Thanks for the great video
No, heat up is natural,as long as the psi are correct when cold you’re ok
Recommended size and tyre pressure for corolla 2005 - for 185/65/14 tyre pressure is 30... i am now using 195/65/15 and keeping tyre pressure at 35 - am i doing it right?
Yeah just correlate the new size to the old and adjust accordingly
@@NuVega5 sir I can’t open the site.. the link is dead
Continental ExtremeContact DWS06 PLUS UHP All Season 265/35ZR22 102W XL on a 2022 chrysler 300c RWD,, whats the perfect PSI? OEM was a 18" rim, now its 22" It says Load Index is 102. max PSI is 51 . My Door PSI tag says 35 psi
37 to 42. It's a feeling thing in between those numbers
So what If you down size in rim size but upsize in tire size ?
You'll need to find the PSI requirements of the tires that came stock on the car, should be on the inside of your door or manual, then cross reference it to your new ones, it works both ways.
Where can i find this chart?
Yes??
where can i find the chart u r using?
That site is now gone, I use tiresize.com/pressure-calculator
Most confusing video ever. Finally found the chart and I either need less than 25psi or 80 psi I can’t tell. I don’t think this is a good way of doing figuring out the correct psi. And where do you even find the load rating for standard tires. It’s different between every manufacturer so depending what trim package you get with the vehicle this method could say you need 25 psi or 80
You take the OEM tire size and load rating of your car from the factory, or placard in the door frame, and compare it to the new tire size and load rating. My 2014 S5 comes with 19" wheels standard with a 96XL rated load rating with a suggested PSI of 32 for the rear, so that wheel/tire combo can comes at 1,260lbs...upgrade to a 20 wheel/tire with a 99XL load rating, I find on the cart where the PSI equals or is greater than 1,260lbs, which for me equals PSI of 29, 1,267lbs...so my wheels/tires at 29PSI hold the same amount of weight as a 19 wheel/tire at PSI 32. This site gives the same info as well: tiresize.com/pressure-calculator/