How are they Turning Stubs

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  • 7uptruckracer
    Senior Member
    • May 2009
    • 1336

    #1

    How are they Turning Stubs

    Sounds like a dumb question, but I see Builders getting their front clips in sections or taking a donor clip and cutting the RF and LF rail off the crossmember and rewelding it. Are they staggering the rails or are they actually turning the whole front clip away from parallel to the stock centerline. How is this "turned stub" accomplished?
  • Renegade Cust Susp
    Senior Member
    • Dec 2008
    • 349

    #2
    I've seen both. Some of your "built" chevelle clips I've seen rails set rs forward. I have also seen the turned method where the whole clip is "turned" so rf ball joint leads lf with no major clip modifications
    Broc Burton
    go.fast.crs@gmail.com

    Comment

    • 7uptruckracer
      Senior Member
      • May 2009
      • 1336

      #3
      Just curious because of how the crossmember is also integrated into the control arm mount, as to how they are getting it all accomplished. I saw they said some are setback 2" or more so when you add caster you still get the numbers you want. I see them buy rails in sections or whole clips they then cutup and i know GM spec has some build tolerance as much as 3/8 outta square from the factory on original. Would love to see more posts on this.
      Originally posted by Renegade Cust Susp View Post
      I've seen both. Some of your "built" chevelle clips I've seen rails set rs forward. I have also seen the turned method where the whole clip is "turned" so rf ball joint leads lf with no major clip modifications

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      • Confused?
        Senior Member
        • Apr 2009
        • 418

        #4
        The few I've felt with had the front clip turned about the hole in the crossmember. Meaning the whole frame pivoted around that point. That way the deminsions all stay within tolerance. The rails are still parallel with the centerline of the chassis though.
        Bill W. and Dr. Bob......who could have known.

        Comment

        • 7uptruckracer
          Senior Member
          • May 2009
          • 1336

          #5
          Can you explain that a little better? So where you saying in yours they mounted the clip straight, and then cut the crossmember and staggered it between the rails? So they in effect moved the LF lower mount back and RF lower mount forward. Sorry was hard for me to read its still early. or did the cut the LF rail off and slid it back?

          Comment

          • UltimateRaceCars
            Senior Member
            • Jan 2014
            • 116

            #6
            I do my cars like confused stated, when I put the stub in the jig it has no side rails. The stub is turned using the crossmember center hole as a pivot and I lead the right front lower a-arm. Then the rails are put on so they are parallel to the centerline of the chassis. Right or wrong thats how I build my cars and its been working very good.
            www.UltimateRaceCars.com

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            • DirtRacer9x
              Senior Member
              • Jul 2014
              • 305

              #7
              5/8" turned on our cars. Ultimate race cars do you square the rear off motor plate or square off of wheelbase?

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              • Confused?
                Senior Member
                • Apr 2009
                • 418

                #8
                I do what Ultimate Race Cars stated. The clip is built straight and the rotated on the jig. The pivot point is the center hole in the bottom of the crossmember.
                Bill W. and Dr. Bob......who could have known.

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                • UltimateRaceCars
                  Senior Member
                  • Jan 2014
                  • 116

                  #9
                  Are you asking how I square the rearend? If so I do it off the frame, trying to measure up to the midplate creates a potential for a lot of error.
                  www.UltimateRaceCars.com

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                  • 7uptruckracer
                    Senior Member
                    • May 2009
                    • 1336

                    #10
                    Thanks for the info I have it now, I guess its extremely hard to see by the naked eye. Last question when you say its turned and then give a measurement where are you taking that measurement from then to say its 5/8 or 3/4 or what have you. Is it from jig centerline to a specific point?

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                    • Confused?
                      Senior Member
                      • Apr 2009
                      • 418

                      #11
                      Mine is the difference between the front wheels
                      Bill W. and Dr. Bob......who could have known.

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                      • oldtrackchamp4x
                        Senior Member
                        • Nov 2009
                        • 270

                        #12
                        Confused Wayne, Can you be a little more specific on how to measure the front wheel difference for all of us simpletons. HA HA. JMO.

                        Comment

                        • Confused?
                          Senior Member
                          • Apr 2009
                          • 418

                          #13
                          First, back the car up against the wall of you shop. Make sure the rear quarter panels are pushed firmly against the wall. Second, Grab a wood yard stick and lay it next to the car, starting at the wall. Keep moving the yard stick, noting the measurements until you get to the front of the car. Now add all of the measurements to find the length. Repeat for the other side. The difference is what I was referring to. Have a nice time with this. It works........... kinda
                          Bill W. and Dr. Bob......who could have known.

                          Comment

                          • DirtRacer9x
                            Senior Member
                            • Jul 2014
                            • 305

                            #14
                            Originally posted by UltimateRaceCars View Post
                            Are you asking how I square the rearend? If so I do it off the frame, trying to measure up to the midplate creates a potential for a lot of error.
                            So what is your final base set up on wheel base and do you suggest wheel base changes on your cars? Thanks.

                            Comment

                            • oldtrackchamp4x
                              Senior Member
                              • Nov 2009
                              • 270

                              #15
                              Ha Ha. You are making me confused. How about using some rice or something else. JMO.

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