[Greg Reid]

Originally Posted by Indy1k

Great information on cutting an access hole with the hole saw. My question is location !
I have a 65 GTO. frame should be same for 64-66. The bolts on mine that are the problem are No. 5 and No. 6. That is the bolt at the top of the spring perch and the bolt at the back of the wheelhouse. Has anyone got the measurements on where to drill for those two positions? I marked the centerline in the trunk and can measure outward from there, the problem is front to back as it is hard to transfer that linear measurement from the "O" line back to the mount position inside the car.
Thank you in advance.

Kevin

That's exactly what I was going to ask. I'm sure I could find it but to get it dead center on the first shot the way Indy1k just did is impressive. I mean you hit it dead center.
In the past when doing that sort of thing, I would drill a small hole to see how close I am then determine where adjustments are needed for the large one.

[Indy1k]

Originally Posted by Greg Reid

That's exactly what I was going to ask. I'm sure I could find it but to get it dead center on the first shot the way Indy1k just did is impressive. I mean you hit it dead center.
In the past when doing that sort of thing, I would drill a small hole to see how close I am then determine where adjustments are needed for the large one.

As you can see in the pictures, I was close on No. 6 Bolt hole. I basically marked a centerline in the trunk with chalk. I then measured out from the center line the distance as marked in the chassis manual to the bushing bolt No. 6. Then I drilled a small pilot hole up from underneath thru the trunk floor inline with the bolt front to back. Now i had the coordinatesfor the bolt(or so I thought). I then used a 3" hole saw to cut the hole, leaving a small amount on one side. This would allow me to "close the lid" and mig it back inplace without having a bend crease in the metal in the end.

No, I will do the same for No.5 if the PB Blaster doesnt do its job.