QUOTE(Headrage @ Oct 25 2004, 11:23 AM)
Jake, are you saying that clearance is not a big issue when running the stock t-4 oil pump?
I guarantee you it is a potential issue with the stock pump. If you buy a new cam gear from web-cam, you will notice that the holes are counterbored. The bolts that they supply with the cam also have the bolt head machined down for less height. Using these together is not a problem.
But if you reuse a stock cam gear, it does not have counterbores, and clearance will be an issue.
BTW, the only reason that I reused the cam gear was because you can only now buy one size (-3) new. My cam gear was a -1 size. I figured that if it was important enough for VW to make 7 different sizes of cam gears, that I ought to stick with the original size. But I think most people now agree that an undersized cam gear works just fine (which is why that is the only size available). If I had it to do over again, I would probably just buy a new cam gear. Cost is not an issue, they are very cheap.
Demick