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Post by 101stairborne on Dec 23, 2019 10:24:38 GMT -5
I have a Durango Gold 380FLF which has Goodyear Endurance E tires. Current size is ST235/80 16. I want to change to the Goodyear G614. Will the current rims support the G614 or the Sailum637.
I have not had any problems with the Endurance; however, I wanted to upgrade to a 14 ply tire.
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Post by laknox on Dec 23, 2019 13:45:43 GMT -5
I have a Durango Gold 380FLF which has Goodyear Endurance E tires. Current size is ST235/80 16. I want to change to the Goodyear G614. Will the current rims support the G614 or the Sailum637. I have not had any problems with the Endurance; however, I wanted to upgrade to a 14 ply tire. Your rims should be stamped on the back side with either the max pressure or max load. Sometimes you have to remove a tire because the stamp is in the valley inside. You'll need 110 psi-rated rims to handle a G rated tire. For my money, I'd avoid the GY tires and go with the Sailuns. =Much= better tire, IMO, and a whole lot cheaper. Lyle |
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Post by ronc on Dec 23, 2019 18:42:43 GMT -5
I have a 2017 Durango Gold 381 REF. I initially upgraded my load range E tires to GY614’s (load range G). The original wheels were rated for 110 psi ... the tire must be removed to see the stamp as it’s in the valley of the wheel. Since we travel a lot and we are very heavy, I have since further upgraded to 17.5” high spec aluminum wheels and GY G114’s H rated tires. The most straightforward answer to your question is that your wheels are probably OK for the 110 psi, but verify yourself to be safe ... either tire you mentioned would be fine, as are your current Endurance tires.
regarding tire pressure, the proper tire pressure isn’t necessarily the max ... get your rig weighed at each wheel position and inflate all tires to the pressure needed to carry your heaviest wheel. In my case, the H rated tires are max pressure at 125 psi (which would carry 4,750 lbs), however, my heaviest wheel is 3,650 lbs. With my 8K axles, the heaviest corner should be no more than 4,000 lbs (1/2 the 8K axle rating). By looking at my manufacturers load chart, I find that when inflated to 100 psi, my tires are rated to carry 4080 lbs. So I run 100 psi which is enough to carry my heaviest wheel and matches my 8K axles capacity. My point to all this is that G614’s May be rated at 110 psi to carry the max load, but your actual wheel position weights may allow you to run less ... based on the load charts. Normally, E rated tires are maxed out on capacity so it is common practice to always inflate them to 80 psi. With higher rated tires, that may not be necessary. Get weighed, look at the load chart and pick the tire pressure that gives you about 10% more capacity than your heaviest wheel. Always inflate your tires cold (at ambient temperature where you are).
Good luck!
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