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Post by olyman on Mar 31, 2022 16:47:22 GMT
Wondering if anyone has ever added them to the torque reaction skid frame suspensions, like on a late model olympique or citation or? If so, how did you do it? I am interested in adding some to my mod sled. If I could weld aluminum it would be a no brainer, but that's not in the cards.  |
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Post by greenandgold on Apr 8, 2022 21:04:31 GMT
The lower bolt on assembly (idler wheel, two bolts and a spacer/mount) came off 98/99 MXZ 500. Pic illustrates its height in relationship to a 76 or so suspension front arm mount. At one time I considered TIG welding a cracked alum runner. When researching the issue found lots of reports of failed TIG welds. Never tried myself, assumed some were manufactured using 7000 series alum given the properties needed to make them survivable to the stresses they’re subjected too. Anyone know for sure? To that end if I were adding the MXZ idler to the mid 70s rails I’d try riveting on an additional front cross arm tower (maybe only one side of the tower?) behind the existing tower and then attaching the idler assembly to that. No welding required. Mounting ahead of the existing tower would be a tad more problematic; would have to check for swing arm interference. But modifying the tower (steel) with filler rod and an offset plate would be pretty straight forward.  Good Luck |
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Post by olyman on Apr 14, 2022 11:14:48 GMT
Awesome. I do have some spare rails here I could rob those plates from. I was wondering about that too. Could run a cross shaft over between the tower pieces to help stiffen them, and there may be space for them if they were low enough. Thanks for the ideas.
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Post by greenandgold on May 1, 2022 0:33:39 GMT
Warmed up enough to work comfortably in the shop. Pulled a Moto Ski suspension to get some parts and noticed the additional idler set. Tower set up is similar to what you’ve got. Idlers are 5 ¼ dia. A visual of what you described above.   |
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Post by olyman on May 1, 2022 14:31:42 GMT
Very cool - thank you again. I think I would have to get the wheels to run on the outside of the rails because setting them up on the inside is a pain with the involute lugs there. It can be done but I had to put the aluminum shaft on the lathe to narrow up the shoulders so they would align with the lugs.  Then I had to modify some 72 drive shaft colors to narrow them down enough to work as spacers on the outside of the shaft. They ironically were the right width with the brass sleeves that came from an olympique slider set? to hold the bearings in place   |
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