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Front tire issue on old AFX cars

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  • Front tire issue on old AFX cars

    Hello all, I have purchased a few older magnatraction and non-magnatraction cars lately and of course the tires are hard and brittle. I took the old tires off and most broke into pieces and I replaced them. But I now have a few cars that will not run properly on the o-ring silicone tires that I have gotten off of ebay. The chassis are literally dragging on the track and spinning the rear tires. I then purchased some wide fronts but they are no "taller" than the o-rings. When you compare the o-rings to the old tires the originals are much taller. I cant seem to find any online that are anything other than tiny little o-rings. These cars clearly need bigger tires so I have taken old rear tires, cut them in half and put them on the front. They are a bit too big but the cars at least are able to get around the track! Any suggestions for what I need and where to get them? I have a two flame-thrower Chevy Monza's that have really nice wide and tall tires that appear to have orignailly come on the car. Is anyone making this type these days?
    What is even stranger is that some cars work with the o-rings no problem, but at least half of them dont?
    Any advise or direction would help!
    Thanks!!

  • #2
    they do make o-rings with the correct ID, but different OD sizes. I have bought the thin and thicker rings for my AFX cars. it's either size 106 or 108

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    • #3
      If the front tires are not cracked you are better off leaving them alone. You do not need soft front tires at the front of the car, it will actually run better with hard tires. If you want to restore a car and keep the original appearence reproduction Aurora AFX/Magnatraction tires are available from JAG Hobbies, however they are expensive.

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      • #4
        Thanks for the info. I had a feeling that someone must make the correct outside diameter. These that I bought are REALLY skinny but most of the sellers on ebay do not say what the OD is.

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        • #5
          Originally posted by RichD View Post
          If the front tires are not cracked you are better off leaving them alone. You do not need soft front tires at the front of the car, it will actually run better with hard tires. If you want to restore a car and keep the original appearence reproduction Aurora AFX/Magnatraction tires are available from JAG Hobbies, however they are expensive.
          **
          I had left many of them on but when it came time to tear the car down to clean it I tried to take them off carefully but they were just too brittle.

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          • #6
            Boy- I took some old tires off some old chassis I got on ebay...... yikes.... talk about petrified!
            These things were like glass.. but harder and more brittle!

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            • #7
              The funny thing is that NOS T-Jet tires are older, but they tend to be in better shape.

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              • #8
                Originally posted by RichD View Post
                If the front tires are not cracked you are better off leaving them alone. You do not need soft front tires at the front of the car, it will actually run better with hard tires. If you want to restore a car and keep the original appearence reproduction Aurora AFX/Magnatraction tires are available from JAG Hobbies, however they are expensive.
                I agree Rich, in fact if you have one of the AFX Stocker chassis with the wide front wheels the tires are actually more of a hard plastic with a larger OD outer edge like a flange around the tire. The track contact area is almost a thin blade-like edge. That's the best possible arrangement as there is little friction from the tire. I think the Stocker front ends are not independent like a standard AFX MagnaTraction so it helps in that regard as well. If I can get a picture up of one later I'll do that.

                Scott

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                • #9
                  A/FX front tires

                  I was never really happy with the o-ring replacements (I was using Parker size 2-010). I bought a few silicone replacements, but they were a little too large, and tended to come off frequently. I ended up making my own. Send me your address in a private message and I will send you a few sets.

                  Joe

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                  • #10
                    If you are looking for o-rings the same size as the original AFX front tires, go to Home Depot and get #78 o-rings in the plumbing department. Dave.

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                    • #11
                      Originally posted by RacerDave View Post
                      If you are looking for o-rings the same size as the original AFX front tires, go to Home Depot and get #78 o-rings in the plumbing department. Dave.
                      __
                      Thanks for the tip! I have an HD only 2 miles from the house. I need to go for some other things so I will look those up. I will take some of the ones I have now to compare them.

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                      • #12
                        Originally posted by tabcomary View Post
                        I was never really happy with the o-ring replacements (I was using Parker size 2-010). I bought a few silicone replacements, but they were a little too large, and tended to come off frequently. I ended up making my own. Send me your address in a private message and I will send you a few sets.

                        Joe
                        __
                        That is a super gesture, thank you.

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                        • #13
                          Originally posted by ScooterMcCoy View Post
                          I agree Rich, in fact if you have one of the AFX Stocker chassis with the wide front wheels the tires are actually more of a hard plastic with a larger OD outer edge like a flange around the tire. The track contact area is almost a thin blade-like edge. That's the best possible arrangement as there is little friction from the tire. I think the Stocker front ends are not independent like a standard AFX MagnaTraction so it helps in that regard as well. If I can get a picture up of one later I'll do that.

                          Scott
                          Here's a pic of what I was referring to; notice how thin the edge of the tire "flange" is. The tires are also definitely a plastic rather than rubber material:



                          Scott

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                          • #14
                            Originally posted by ScooterMcCoy View Post
                            Here's a pic of what I was referring to; notice how thin the edge of the tire "flange" is. The tires are also definitely a plastic rather than rubber material:

                            [ATTACH]36392[/ATTACH]

                            Scott
                            __
                            I actually bought 5 sets of those front wheels. They worked on some, even on ones that take the original skinny wheels, but the two "draggers" I have still bogged down. One is a magnatraction chassis and one is an older non-mag. The one is so bad, it is a Shadow Can Am 101 non-mag, that with the tiny o-rings the car stayed nearly still spinning the tires unless you gave it a push!! It currently has a set of rear wheels sliced in half on it and it goes around fine now. But it looks ridiculous!!

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                            • #15
                              A couple years back someone on another board posted about getting O-Rings from a company called MSC (www.mscdirect.com). Back then, a bag of 100 was $1.98. I do not want to post a link to the other site, but here are the basics...

                              Part number: MSC #:75748319

                              Search criteria: The keywords to use are: O-ring accessories buna-n .250

                              These should get you all the O-Rings with one dimension of .250 (1/4"). You need the 1/4" I.D. to fit on the rim. I think Buna-N is the material.

                              Joe

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