Tomster
Beware of idiots
Hmm..... are those wing mounts aluminum?I just grabbed whatever paper I had laying around and took my time making an accurate trace and then cut it out with scissors. I then carefully punched through where the three holes are in the upright base and then trimmed them to be concentric to their respective hole. Pretty easy, just takes a little time. Then I taped the template to the upright base, along with some strips of tape that were upside down. With the uprights installed on the wing, I set the entire assembly atop the decklid and let the contours dictate where it needed to be and carefully measured both sides to make sure they were the same. I then stuck the upside down tape to the decklid and carefully removed the tape that adhered the template to the base - boom, that's where she goes. I also checked the dogbone, placing it where it wanted to be and measured it to see if the holes would line up. They did, perfectly.
The single, non-dogbone template hole on each side will line up with the existing hole so you just have to be sure the dogbone holes are right. Then punch, drill and verify.
Of note...look carefully at the bolt holes for the dogbones. If you were to measure from the bolt hole center (or the edge of the holes you drilled, doesn't matter) to the edge of the decklid with a square, you'd see that the holes are on a slight skew and not the same distance from the edge of the decklid. Don't worry, this is correct. Both the driver side and the passenger side are like this. They base wants them like that so don't think something is wrong. All the cars I studied closely were like this.
The GT4 upright bases bolt directly to the decklid without any type of gasket. Since I didn't fill any of the existing unused holes that would be hidden under each base, and because I didn't want to crack the freshly painted decklid, I made some base gaskets from some reinforced sheet rubber I have. Again, a simple trace , cut and punch for the holes. I used two way adhesive on the rubber to base interface and put nothing on the side that would touch the decklid.
Again, note how with everything installed, the dogbone wants to fit the contours of the underside of the decklid such that it is slightly askew (hence why they nip the bottom of the bone near the edge).
Everything in place and bolted up, you can see how both the dogbone and the upright base fit the decklid contour perfectly. Not sure if any aftermarket wing bases will match up this well.
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