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How To Install DSE's Minitub Kit

Install Some Monster Meats DSE's Minitub Kit

By Stephen Kim, Photography by Stephen Kim
  • Install Minitub Kit New Crossmember
    To provide additional tire clearance, the DSE kit includes a new crossmember that relocates the upper shock mounts inward. Before it was installed, the stock shock mounts were cut off of the framerails.
    Install Minitub Kit New Crossmember
    To provide additional tire clearance, the DSE kit includes a new crossmember that relocate
  • Install Minitub Kit End Caps Welded On Crossmember
    The bottom edge of the upper shock-mount tab needed to be positioned 231/48 inches above the bottom edge of the framerail. The end cap was rotated around the tube until this dimension was met. Once the end caps were tack-welded to the crossmember, the entire assembly was removed from the car, and a seam was welded around the perimeter of the end caps. Next, the crossmember was repositioned on the framerail and welded into place.
    Install Minitub Kit End Caps Welded On Crossmember
    The bottom edge of the upper shock-mount tab needed to be positioned 231/48 inches above t
  • Install Minitub Kit Leaf Spring Relocation
    The leaf springs needed to be relocated. So, using the factory bolt holes, the leaf-spring pocket relocation templates were positioned along the framerail and floorpan. The cutlines were then marked and cut.
    Install Minitub Kit Leaf Spring Relocation
    The leaf springs needed to be relocated. So, using the factory bolt holes, the leaf-spring
  • Install Minitub Kit Leaf Spring Pocket Welded
    Next, the new leaf-spring pocket was welded to the framerail. DSE used the factory bolts to hold it in place while welding.
    Install Minitub Kit Leaf Spring Pocket Welded
    Next, the new leaf-spring pocket was welded to the framerail. DSE used the factory bolts t
  • Install Minitub Kit Close Out Panels Welded
    Closeout panels were welded to notch the frame and clear the new spring location. Since the depth of the cuts will vary from installation to installation, the closeout panels had some extra material on them that needed to be trimmed to fit.
    Install Minitub Kit Close Out Panels Welded
    Closeout panels were welded to notch the frame and clear the new spring location. Since th
  • Install Minitub Kit Seat Belt Bolt Mount
    Back in the interior, the relocation point for the rear seatbelt mount that was center-punched earlier was drilled out to 11/42 inch. The supplied seatbelt bolt mount was then positioned over the hole and traced. Four 91/432 holes spaced 90 degrees apart were drilled inside the marked perimeter. While using a bolt to hold the seatbelt mount to the underside of the floorpan, the holes were plug-welded, then ground flat. Finally, the mount was welded to the bottom of the floorplan and the bolt was removed. The entire tub install procedure was repeated on the other side of the car.
    Install Minitub Kit Seat Belt Bolt Mount
    Back in the interior, the relocation point for the rear seatbelt mount that was center-pun
  • Install Minitub Kit Trans Am Undercarriage
    To prevent rust formation, all metal surfaces on both the inside and outside of the car were painted and/or undercoated. DSE prefers 3M Underseal black rubberized coating for the wheelwell area, which comes in a 20-ounce aerosol can. After everything is dry, the rear suspension and fuel tank can be reinstalled. Besides the obviously massive meats, note the inward kink of the leaf springs and the billet offset rear shackles.
    Install Minitub Kit Trans Am Undercarriage
    To prevent rust formation, all metal surfaces on both the inside and outside of the car we
  • Install Minitub Kit Modified Rear Seat
    Before reinstalling the interior, the final step was to modify the rear seats to make room for the larger tubs. The outer corners of the seat-bottom frame were notched inward 2 inches, and the seatback frame was narrowed by 2 inches as well. Since the seats are narrowed by a nominal amount, the seat padding and covers can be reinstalled without modification.
    Install Minitub Kit Modified Rear Seat
    Before reinstalling the interior, the final step was to modify the rear seats to make room
  • Install Minitub Kit Finished Product
    Whereas 295/35-18 tires were a tight fit prior to the minitubs, the wheelwells now swallow up 335/30s with a few millimeters to spare. That's roughly 1312 inches of magnificent section width. END
    Install Minitub Kit Finished Product
    Whereas 295/35-18 tires were a tight fit prior to the minitubs, the wheelwells now swallow
By Stephen Kim
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