But I agree with the other posts be sure you have plenty of air between your duals check when fully loaded. I had all replaced on my Damon 325 made by Kelly Safari CSR 8R19.5 they were a load range higher then I had prior. Pad the walls, we got 10-yr-old twins in here! Large: 2003 Dodge Ram 2500 Quadcab 4x4 V-10 5spd manual 3.73 I've got a Powerking spare, but am still undecided on what I'm going to replace my aging Michelins with all around. There may be a couple more, but these are what I found locally. Some folks run the 225/70 up front, and keep the 8x19.5 in the rear.įWIW, my research has shown the following tires still being produced in the 8R19.5 size: Make sure you meet the spec, or they will heat more and not last as long. The thing to worry about in changing sizes is the distance between the duals, as some have pointed out. See you at most of the Penn State tailgates"> '93 Itasca Suncrusier diesel towing a '05 Honda CR-V.īob, Pam(DW), Bridget(DD) and Christine(DD) I basically chickened out and went with the factory suggested size of 8R19.5. I’m not sure I’d want to spin that engine any higher. I have Cummins 5.9 that spins around 2300-2500 rpm at highway speed because I have an Allison 4-speed. Some posters had no problems and have enjoyed the improved handling.Īnother thing to consider with the slightly smaller 225/70R19.5 tires is that your engine will have to turn faster in order to run. There are some posters who had clearance problems when they did this. Keep in mind that switching from the 8R19.5 to the lower profile 225/70R19.5 will lower your coach somewhat. If you have rims wider than 6", then you might be able to step up to a 245/70R19.5 tires for the front. You have to make sure that you have enough clearance between the two back rims so that the 225/70R19.5 tires do not touch each other.
Go on Goodyear's web site and they will quote the same information. It has been suggested that you can get by with a 225/70R19.5 tire if you have the 6" wide rims.
These are tall, skinny tires which seem to create a handling problem. Bridgestone also sells the 159 which comes in that size. I just bought some new Michelin XZA tires in that size. There are some differences, sugest you see the Goodyear site They can be mixed front to back, but cannot be mixed on the same axle.
The 225/70R19.5 is the generally execpted replacement for the 8r19.5. Just wondering do they still make this size, or is there a replacement size, and can you run both sizes on the MH. RV.Net Open Roads Forum: Class A Motorhomes: 8rx19.5 Tires Open Roads Forum
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