There's a lot more to it than flow.....velocity is just as (if not more) important.  Just going off of the numbers laid out before us, mid 260's at .050" duration will get you a 7000 rpm hp peak with 445 inches and hitting at around .700" lift. 

Do you know the port volume?  I would imagine it's on the large side...

With an 80% intake/exhaust ratio, you don't need a big duration split....3-4° will work. 

If I were doing something like this and weren't wanting super stock valve lift, I'd use a pair of Comp RZ lobes, 264/268 @ .050", .757"/.760" lift, and shorten the LSA up to help the exhaust scavenge the big intake port.....probably a 107-108 LSA.  The shorter rod will help you here too, but I imagine that intake port is HUGE. 

That's where I would head.....your mileage may vary. 

Good luck to you Barry! 

I think for the price of the sleeves and all the machine work (plus the probability of doing it all and having a failure), I'd save my lunch money up for an aftermarket block, or run a stroked 390. 

Yep, turn 'em down.  I could see how you would have no oil support towards the bottom of the cam journal if all the oil was coming in from 12:00. 

Every side oiler and every aftermarket FE block lived/lives just fine with the bearing holes lined up at the 6:00 position.  Sometimes I will clock them at 4:00-ish position, but I continue to wonder if it's necessary at all. 

Make sure your cam spins freely in the bearings when you install it. 

BB, seriously hate to get on *your* case, but I posted this build on the FE forum at least twice.  You just don't pay attention.  Dyno videos are available on my website and on my You Tube channel.  I think everybody knows this except for you. 

Way to go Jay, you should be very proud of yourself.

No, 12" will not fit 11" flywheel.

There are many 11" Long style clutch kits out there....I would use RAM or McLeod personally.

I was very pleased with it. 

I realize that we were probably down 20-25 hp to a solid roller setup, but I just felt more comfortable going this way.  Used a Comp XTX intake lobe and a High Torque exhaust lobe.  No signs of valve float, even at a little past 7000 rpm.  Everything was very light, from the hollow stem Ferreas, to the PAC titanium beehive retainers that feel like feathers in your hand. 

When I do solid rollers for street applications, I'll use the bushed Crowers/Iskys/Morels, and when you're looking at $1000 for just the lifters, the solid flatties seem like a sound alternative.