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  1. #1
    Join Date
    Oct 2011
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    135

    Default Mastersbilt right rear lag

    was wondering does mastersbilt have built in right rear lag. I measured from rear axle to the 4 bar perch and with the bars 15 1/2" on both bottoms and 17 1/2 on tops. the right rear was make one inch seems like a lot

  2. #2
    Join Date
    May 2007
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    Batavia, OH
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    13,639

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    Quote Originally Posted by tworrick View Post
    was wondering does mastersbilt have built in right rear lag. I measured from rear axle to the 4 bar perch and with the bars 15 1/2" on both bottoms and 17 1/2 on tops. the right rear was make one inch seems like a lot
    There is RR trail. I don't think it is that much.
    Modern Day Wedge Racing
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  3. #3
    Join Date
    Oct 2011
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    135

    Default

    Quote Originally Posted by MasterSbilt_Racer View Post
    There is RR trail. I don't think it is that much.
    normally 1/4 to 1/2" ?

  4. #4
    Join Date
    Jun 2007
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    571

    Default

    Does a 2010 Rocket have RR trail ? (more than the 1/4" from the radius rods)
    Last edited by RacerX10; 02-21-2016 at 10:19 PM.

  5. #5
    Join Date
    Oct 2008
    Posts
    687

    Default

    Wouldn't the measurement be from the motorplate to the axle?

  6. #6
    Join Date
    May 2007
    Posts
    421

    Default

    I squared a smack down car in the late 2000's it had 3/4" of RR trail built into it with the rear bars at equal lengths.

  7. #7
    Join Date
    Jun 2007
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    3,123

    Default

    Quote Originally Posted by tworrick View Post
    was wondering does mastersbilt have built in right rear lag. I measured from rear axle to the 4 bar perch and with the bars 15 1/2" on both bottoms and 17 1/2 on tops. the right rear was make one inch seems like a lot
    Is this on a Smack, GenX, or LXT? It almost sounds like you have the bars in the incorrect holes for the length you're using.

    And keeks is correct, you should be measuring trail/lead from a line on the shop floor exactly parallel with the mid-plate.

  8. #8
    Join Date
    May 2007
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    Batavia, OH
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    Quote Originally Posted by hall99 View Post
    I squared a smack down car in the late 2000's it had 3/4" of RR trail built into it with the rear bars at equal lengths.
    I was thinking 5/8" for the same vintage. So that is reassuring.
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  9. #9
    Join Date
    Dec 2008
    Posts
    226

    Default

    Anyone know how much trail a 2011 gen x car has?

  10. #10
    Join Date
    Jun 2007
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    Default

    One thing to keep in mind is that "static" trail is going to be dependent on where you end up on your LR ride height. Assuming RR ride height is at spec.

    Mod88s,
    Clean-out your inbox. I can't reply to the message you sent me.

  11. #11
    Join Date
    Feb 2016
    Location
    Southern boy
    Posts
    36

    Default

    Quote Originally Posted by hall99 View Post
    I squared a smack down car in the late 2000's it had 3/4" of RR trail built into it with the rear bars at equal lengths.
    Those cars surely turned.....and turned....and turned. lol

  12. #12
    Join Date
    Jul 2013
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    Lost, but way ahead of schedule
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    1,514

    Default

    My 2007 Smackdown was 3/4" back on the right side based on it's relation to the mid-plate (it isn't anymore). Even when it was hooked up it'd drive you straight out towards the wall. I didn't like that feeling.

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