Quote:
Originally Posted by Walt Dupont--Me.
Tubman. Are you saying the aluminum Canadian intake has bigger throttle bore? I have one of those intakes hanging in my shop for 10yr's or more, never realized it had a bigger bore. Walt
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No. it has the same throttle bore size as an American one. If you read my post again, you will see I "bored it out" to the same size as the 2GC. I used something called a "Roto-Broach" I got from an outfit called "Drills and Cutters". It was expensive ($135), but it worked extremely well. So well, as a matter of fact, I'll bet it would work on an iron manifold.
BTW, if you are tired of having that manifold "hanging in my shop", I'll glady take it off your hands. On the other hand, if you want to run it, I'll let you use my "Roto-Broach" to bore it out. It will work with a regular drill press (I used a scrap 2GC base bolted to the manifold as a guide).
Also, I have a friend who just got a '53 Mercury. He was having similar problems and got a kit from Daytona Parts. Put it in and problem solved.