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  1. #1

    Default Sweet rack and pinion

    Question about the outer eyes that the tire rod bolts to. This one has slots on each side for the tire rod to bolt to. A 3/8 bolt is what fits the slot. A guy was running reducers in the heim to make the 3/8 bolt work. My opinion is the 3/8 bolt is no where near strong enough for my liking for the inner tire rod. Is this a common deal to run a 3/8 bolt to bolt the tire rod to the rack?

  2. #2
    Join Date
    Dec 2007
    Posts
    126

    Default

    Been running that same setup for years....grade 8 bolt works great.

    Curt Drake
    Late Model #55x

  3. #3

    Default

    Thanks for your reply

  4. #4

    Default

    That bolt can be smaller since it is in double shear not single.

  5. #5
    Join Date
    Jun 2007
    Posts
    3,124

    Default

    Just for some additional context, the shear strength of a Grade 8 3/8" bolt is about 7000 pounds. That's more than enough bolt for this application.

  6. #6
    Join Date
    Dec 2007
    Posts
    126

    Default

    I figure the aluminum tube will bend/break before the bolt.

    Curt Drake
    Late Model #55x

  7. #7
    Join Date
    Oct 2017
    Posts
    829

    Default

    Have they changed something or do you guys use different spacers then what sweet sells with the rack. All our stuff has always had 7/16 bolts for the rack slot bushings. I think a 3/8 is more than adequate in this setup i just haven't seen it

  8. #8
    Join Date
    May 2018
    Posts
    13

    Default

    Had a similar issue, finally decided to purchase a new spare tire rack It took me hours and hours before I chose an adequate item, so I just relied on a trustworthy review https://automotivecraze.com/spare-tire-bike-racks/ and bought one from Yakima (happily roof racks are very easy to install).
    Last edited by samgood; 01-24-2020 at 01:01 AM.

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