Hey all. I've been trying to get the heap running for a while now, to get it on the road before I decide it's fate. It just has a nasty stumble right off idle. I'm not really sure where my timing is since I don't think I have the right pointer (I'm using the euro damper on a F54). I know that sounds retarded, but it's the truth. I sorta timed it by ear. It sounds like it wants more timing, but the dizzy is maxed out. Okay before I sound like a total moron, here's the lowdown. '82 F54 flat top bottom end-stock, P90 head shaved .070 (I know it should be .080, but the machine shop could only come up with .070 shims), schneider 480/274 cam installed straight up, 280ZX dizzy, Crane HI6 w/ PS92 coil, Dellorto 40's, Motorsport 6 into 2 header, no exhaust now, just a supertrap on collector. Any ideas? Carbs are synced, float levels look good, fuel pressure at 4.5 psi. It runs rich as all get out. Idles OK, rips past 2500, anything in between is crap, pops through carbs, out exhaust. NOT MUCH FUN!