I know this is an open ended question, I am doing a conversion using the following;

wiseco 1200 reverse dome pistons.
Hi 4 ignition single fire.
Heads are stock 883 valves and are being cleaned up by stevo..

will be ordering Hurricane air flow later this year..
cycle shack slip ons

would you guys add cams to this combo or anything else to get reasonible performance..

How much money you got to spend?

That's really the only answer to this question... :)

Me and my step dad have been talking about that set up. I was told that the stock 883 head is a hot set up because the smaller valves increase your compression, my step dad thinks that getting the heads worked or using buell heads would get you more performance because they flow better. It would be interesting to see a dyno comparrison between two identical lower ends. I wonder if the power gains from a worked head would be worth the dollar to HP ration ;)

-derek

I'd have to see the flow data on the heads to advise you on the cams.

All ports nose over, flow wise, at a certain valve lift. Lifting the valve beyond that point does not increase flow because the valve is far enough out of the way that it's not hurting the flow any more. The lift point where that happens is affected big time by the size of the valve, among other things. Or more accurately, by the size of the hole, but how big you can make the hole is a function of the size of the valve, so it's just another way of saying the same thing.

With stock 883 heads, it's a low number, like under .400 lift where they give up. Even a Thunderstorm or XB head, with it's 1.810 intake valves, gives up by .500. My point is that bigger is only better if the heads can take advantage of it. If the port is the constraint, more lift won't help.

With a well working exhaust system, though, more overlap could be useful. And of course an intake close event matched to the rpm range you want and the port velocity.

I put a little blurb on cams on my website, some of which was cut and pasted from a post I put on this site:

http://www.nrhsperformance.com/tech_camshafts.shtml

That ties in with what I was sayin to ya earlier Scott...;)

I wouldn't waste money on cams untill we can go the whole hog.

Stage 1+ on these heads and stock cams will give you a fair bit more than what ya had before anyway...I would expect around a 50% increase over the figures ya had before, depending on exhaust