Thanks for the input.
Zippers does want the lifters adjusted fairly tight. Their directions are to bottom the lifter out and come back 3 1/2 flats, but that's on a 1" 32 thread push rod and the HD ones are 1" 24. Not a big deal to figure out but I am sure the dealer used their standard adjustment which is about the middle of the lifter travel. So yes I will try that first.
I still have oil pressure concerns. I am wondering if I should get the Zippers shim or Baisly Spring.
Another major concern is the spacer kit. Did they use one and not charge me or maybe they didn't and that's part of the problem.
The cam is noisier than the stock cam; that is pretty much the way it is. If you think the Redshift 575 is noisy, try a Wood cam. However, there is no way any of us on this site can tell you over the internet if yours is noisier than usual. For that, you need to see if you can find some other folk's in your area running that cam and then compare their bikes to yours. As for the pushrod adjustment, the Harley recommended (and pretty much standard) method is to center the lifter piston in it's travel. With SE pushrods that would be 2.5 turns from zero lash (.104"). Wood recommends .120"-.130" with their cams; that would be about 3.0 turns from zero lash. I can't see any sense in cranking them down much more than that. After all, they are supposed to be hydraulic, not solid.
As for oil pressure, I have no idea who gave you the idea that you would be running 40 psi oil pressure with the Harley plate and pump. Normal oil pressure is 30-36 psi at 2000 rpm and most tend to run around 32 psi at that speed. Running more pressure than what the engine was designed for isn't going to do anything for you, it isn't one of those "if a little bit is good, a whole lot is better" situations. And before I would get too worried about oil pressure, I'd make sure I tapped in a real certified mechanics pressure gauge and not just rely on that dash gauge from Harley. It sure would be a shame to spend a bunch of money on a problem that didn't really exist.
Many people since 2007 have mentioned relatively low oil pressure readings at idle. I noticed on my 2005 that my hot idle pressure was 10-12 psi on the original pump and plate, but when I switched to the 2007 hydraulic tensioner plate and higher output pump my hot idle pressure dropped to 8-10 psi on the same gauge. Besides the fact that the hydraulic tensioner system bleeds a tiny bit of pressure compared to the old system, I think what you will find is that the bypass doesn't seal very well, allowing some oil to bypass even at hot idle when it really shouldn't. If that slightly lower idle pressure bothers you, I'd suggest working on the bypass valve. If the valve and seat are machined correctly, you don't need stiffer springs or shims to get the idle pressure above 10 psi. I haven't bothered with mine, 8-10 psi is fine. Don't forget, the Shovels and even Evo's often idled at close to zero psi.
btw, the spacers are an "as required" part. Many/most shops don't force people to buy the entire kit, since many jobs don't require a different spacer and you only need one. The spacers have nothing to do with oil pressure or lifter noise. If your primary cam chain doesn't run perfectly true, then you need a spacer to align the cam sprocket and crank sprocket.
Jerry