Originally Posted by justcynn

thanks all for the replies. I have a 3/4 wood spade bit, it does drill into the Aluminum but it wont make the 7 " trip. I also have a couple hack saw blades and while it will be a long job, they appear to have potential to do the job by hand...

also ordered a 3/4" boring bit some skinnier saws all blades with hopes of fitting in there to cut it out, if that doesnt work - lye it is. but this project may get pushed to the back of the stash if it comes to that...