Thanks for the advice guys, Hopefully I can get it torn down and inspected this weekend, and I will plan on just taking it to the machine shop for a cleaning and new cam bearings.

Hey all,
Picked up a project 390 this weekend.  New build, the guy I bought it from ran with a small cam for less than 500 miles, wanted a bigger cam and it failed on break in, pretty common these days, but I've never dealt with it.  Gonna start taking it down this next weekend.

Can this be flushed out satisfactorily at home?  if the cam bearings look ok can they be run or will there be too much metal embedded in them.  What do you guys usually do?

Specs are pretty decent on the parts, I'm ahead on that even if the block would be toast. It has a balanced reciprocating assembly with JE forged pistons, supposed to be at zero deck height, 10.5 to one, Promax heads, Harland sharp rockers, new water pump, hoping to salvage it to make a decent runner

Thanks for the help guys, I was looking at the Edelbrock website for specs on carb spacing but couldnt find the actual numbers,  and "fits most" usually means fits everyone but me with my luck, LOL.

Like he said, pull the plugs, and wd-40 before you try and turn it over,  A little  shot down the intake runner and even pull the valve covers and hit the valves with some to dissolve varnish, a little down the pushrods to help the lifters move too.  Turn it over by hand a couple times to see how it feels and with plugs out and the valve covers off you can watch to see how all the valves move etc. Better than sticking it in the car and firing it up with a stuck valve or finding the camshaft was already flattened.  Change the oil after turning it over good and letting all the wd work its way down.

Nice Job!

Awesome, can't wait to see some results, and the follow up BBM vs TFS as well.  Plus any details about fitting the TFS heads, regarding the rocker arms/pushrods etc.

Sweet!