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Expert Answers about Tire Pressure Gauges


  • Comparing Firestone Ride-Rite vs Red Label Air Bags For a 2022 Ford F-350 Super Duty Dually
  • The Firestone Ride-Rite Red Label Extreme Duty Air Helper Springs # F95FV are built with commercial grade components that allow for them to achieve the higher weight capacity(7,500lbs) through a higher air pressure capacity(150psi). The rubber and cord gives the bags additional strength. Higher strength steel is used on the brackets and mounting hardware as well to account for the additional capacity. The Firestone Ride-Rite Air Helper Springs # F2600 are only rated for an air pressure...
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  • What Are the Differences Between the JR and Valterra Water Pressure Regulators
  • The different water pressure regulators has to do with the construction of the material (brass/stainless steel), pressure range (40-50 psi/50-55 psi etc.), and additional features such as the inclusion of a gauge or built-in bend. I am not sure exactly what two products you are referring to as we offer several from each brand but they will both work to reduce the water pressure entering the trailer. I have attached a list of options for you. The difference in price has to do with the reasons...
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  • Which Better a Wireless Compressor System or Analog Gauge System for Firestone Air Bags
  • Personally, I am old school and like analog gauges. But ultimately it depends on what your needs are. If you need to be able to monitor the vehicle while leveling it then a wireless system such as # F2610 is ideal because you don't have to be in the vehicle. If all you are looking for is basic load leveling and don't have to watch the vehicle while adjusting the air pressure than the analog system # F2158 will work great for you.
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  • Comparing Special Trailer Tires in Size ST205/75-14 with Differing Load Range Ratings
  • The only actual differences between two special trailer tires in the same size but with different weight load range letter codes, C and D in this case, are their weight carrying limits in pounds and their required inflation pressures in psi. For reference, the linked page displays all of our special trailer (ST type) tires in size ST205/75-14. These tire options include items with either radial or bias ply construction and tires in either Load Range C or D. As examples, Kenda # AM10234...
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  • Comparing Viair Portable Compressors For A Tandem Axle Airstream Travel Trailer
  • A typical tire inflator will have a CFM rating of around 1.5 to 2 CFM, with a majority of the little cheap ones being less than 1 CFM. The higher the rating the faster you'll be able to air up the tires. The Viair Automatic Portable Air Compressor # VA89WR has a 2.30 CFM rating and at 150 psi so it's a bit above the standard. Another important aspect to consider is the duty cycle. This compressor comes with 33% duty cycle at 100 psi, which means the compressor can run for approximately...
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  • Comparing TireMinder Tire Pressure Monitoring Systems TPMS-APP-4 and TM89FR
  • TireMinder # TM89FR is a complete pressure monitoring system that includes the 4 tire sensors/transmitters, the monitor, signal booster and other parts including batteries for the sensors. TireMinder part # TPMS-APP-4 is a similar system that instead uses your smartphone as the monitor. This model requires Bluetooth 4.0 and an iPad or iPhone with iOS7 or Android with KitKat 4.4+. The two linked review videos will highlight the details on these products.
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  • Product Differences Between Wheel and Tire Package AM30850 and AM30861
  • The Difference in these two packages is the tires that are on them. The load ratings are different and thus will each respond different when driving. I suggest going with the tire that your trailer is specified to use. # AM30850 Utilizes a Load Range C tire that has a wheel capacity of 1,045lbs. Max inflation pressure is 80psi, which gives this tire more absorption when driving which will equal a smoother ride. # AM30861 Utilizes a Load Range D tire that has a wheel capacity of 1,250lbs....
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  • Why do Load Range E and F ST235/85R16 Radial Tires from Karrier have the Same Max Air Pressure
  • Max air pressure does not always correlate with the weight capacity increases of tire Load Ranges. The part # AM10501 has a capacity of 3,960 lbs at 95 psi. The # AM10295 which is the same size and brand but Load Range E instead of F has a capacity of 3,640 lbs at 95 psi. Both tires require the same psi be inflated in them to get the full capacity, but due to the construction of the tires they have differing capacities.
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  • Comparing Benefits of LT Light Truck vs. ST Special Trailer Tires
  • In some applications a light truck tire, the LT type, will be preferable to the special trailer ST type tire. If driving off-road the stiffer sidewall of a bias ply LT tire may hold up better while the greater flex of a radial ST tire will work better for highway driving, especially at higher interstate driving speeds. The main reason any trailer tire fails is excess heat. Excess heat builds up in a tire for three main reasons: incorrect pressure, overloading and driving faster than the...
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  • Firestone and Air Lift Coil Spring Air Bag Comparison for a 2010 Chrysler Town and Country
  • The Air Lift 1000 Air Helper Springs, # AL60814, and the Firestone Coil-Rite Air Helper Springs, # F4169, are very similar systems. The main difference between these two systems is that the Firestone system includes upper supports that are placed between the air bags and the jounce bumper bracket. Both systems will install the same way on your 2010 Chrysler Town and Country with the exception of the upper supports for the Firestone kit. I have attached the installation instructions of...
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  • Comparing Firestone Air Command Xtreme Duty Compressor Kit to Xtra-Duty Compressor Kit
  • The Air Command I Xtreme Duty Compressor with Analog Gauge, Air Tank, and 25' Hose - Single Path # F2543 and the Firestone Air Command I - Analog - Xtra-Duty Compressor w/Air Tank and 25' Hose - 150 psi # F2266 are very similar systems from the same manufacturer. The difference is in the speed of the compressor, size of air tank, tire inflation fitting with gauge and bag that come with the larger kit. The compressor is twice as fast at getting to the 150 psi and the reservoir tank is...
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  • Comparing Benefits of Bias Ply vs. Radial Type Trailer Tires
  • Each type of trailer tire, bias ply or radial construction, offers certain advantages and in some circumstances one will be a better choice than the other. A bias ply tire has a stiffer sidewall than a radial, a feature that might be useful for off road applications like farm use and for very heavy loads. On the other hand, a radial tire flexes more than a bias tire, which gives it better ground contact, better traction, stability, and tread wear. For highway use radials are often preferred....
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  • Best ST175/80-13 Trailer Tire Option for Tandem Axle Pontoon Boat Trailer
  • Special trailer tires, the ST-type, are constructed differently than passenger vehicle tires, which are designated with the P prefix. Trailer tires are made with stiffer side walls to better handle vertical loads and higher air pressures whereas passenger vehicle tires are made to allow for better grip and cornering. We do not recommend using any tire type for other than its intended application. For your boat trailer use only ST-type special trailer tires. Within the trailer tire category...
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  • Value of Replacing Load Range B Tires on Older 3-Motorcycle Trailer With Load Range C Tires
  • Replacing your original Load Range B trailer tires on your 3-motorcycle trailer with higher weight- and pressure-rated Load Range C tires will not result in additional stress to your trailer axle or suspension. It is also unlikely to alter the ride quality of the loaded trailer to any degree that would be noticeable. Generally the various components in a trailer (tires,wheels, hubs, axles) are selected to have common or similar ratings; altering one component in a system will not increase...
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  • Difference Between 123L and Load Range E Tires
  • The 123 on your tire is for the load index. The load for this tire is 3417 lbs. The L is the speed rating. For your tire, the speed rating is 75 mph. The load range indicates the horizontal and sidewall strength, measured using ply rating and load pressure, for our Special Trailer and Light-Truck service tires. Load range E is a 10 ply rating. The # TTWTRTM2358016E Provider 16" tires have a maximum single tire load of 3,520 lbs and dual tire load of 3,080 lbs at 80 psi with an M speed...
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  • Comparing Firestone Air Helper Springs # F2400 and # F2398 For A 2006 Ford F-250
  • I would be happy to help! Both the Firestone Air Helper Spring Kit # F2400 and # F2398 you were looking at will work with a 5th wheel hitch but since your 2006 Ford F-250 is a 4WD model you will need to go with the # F2400 as it is designed for trucks that are 4WD where the # F2398 is designed for 2WD trucks. This kit gives you up to 5000lbs of load leveling support which you can fine tune to your specific need by adjusting the air pressure between 5-100 PSI. To keep from having to manually...
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  • Timbren Springs and Firestone Ride-Rite Comparison for a 2013 Ram 2500 Towing a 5th Wheel Trailer
  • There are a few things to consider when purchasing suspension enhancement for towing a fifth wheel trailer. The Bilstein shocks will certainly help, but it also does not hurt to add suspension enhancement like Timbren springs or Firestone air bags either. They will reduce sag, improve stability and prolong the life of your stock suspension. Timbren and Firestone make excellent products. We use Timbren springs on our Ram 2500 when towing our fifth wheel trailer and they do an excellent...
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  • Why are There Different psi Ratings for the Kenda Karrier Tires # AM32156 and # AM32182
  • The Karrier ST205/75R14 # AM32156 is rated for 1,925 lbs at 60 psi while the Karrier ST215/75R14 # AM32182 is rated for 1,870 lbs at 50 psi. These are ratings that Kenda, the manufacturer, decided would be the best for these specific tires after their testing was done. It does kind of sound confusing, but it all has to do with what psi rating the manufacturer found that the tire performed at its best. Since tires can have slightly different constructions that affect its performance, it...
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  • Comparing 175/80-13 And 185/80-13 Tires
  • The size difference between the Kenda Karrier ST175/80R13 Radial Trailer Tire - Load Range D # AM10210 and a 185-80R13 tire is the diameter and the width. We don't have any radials in that size, so I'll compare to the similar Kenda Loadstar ST185/80D13 Bias Trailer Tire - Load Range D # AM1ST79. The 175/80-13 tires have a diameter of 24.1 inches and a width of 7 inches compared to the slightly larger 185/80-13 tires that have a diameter of 24.4 inches and a width of 7.2 inches. The...
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  • Difference Between TST-507-RV-6-C and TST-507-FT-6-C Tire Pressure Monitoring Systems
  • The only difference between the TST TPMS # TST-507-RV-6-C and # TST-507-FT-6-C is the type of tire sensors that are included with each kit. Kit # TST-507-RV-6-C comes with 6 standard tire sensors, whereas kit # TST-507-FT-6-C comes with 6 flow through tire sensors, which let you inflate or deflate your tires without needing to remove them from the valve stems. The added convenience easily outweighs the small price difference, so I personally recommend going with # TST-507-FT-6-C.
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