Re: 1967 Chris Craft 283 flv asleep for past 13 yrs.
I recently acquired a similar motor, this one being a 327F that had been sitting for SIX YEARS. I first squirted in some PB Blaster (penetrating oil) into the cylinders and let it sit for two weeks. I then squirted in some ATF (Automatic Transmission FLuid has a great lubrication value and it penetrates well too). I used a large screwdriver on this model, to turn the flywheel at the flywheel gear visible through the timing hole. Once the motor was free, I spun it on the starter before connecting it to fuel and fire.
Prior to spinning, I removed the valve covers, and poured lots of oil everywhere, and as much down the lifter pushrod holes as possible, because that goes directly to the cam.
It fired up and ran great. Here it is running with a hose hooked up to it (link to a 15 second video, turn up your speakers)
http://www.network54.com/Forum/424840/message/1164395538/
This motor is presently being checked for everything. The block had steel freeze plugs, and these have rusted through. Marine engines use brass freeze plugs, so I suspect the block had been changed out years ago for an automotive version. The difference between an automotive 327 and the marine CC version would be 8.0:1 compression on the marine version, and 8.5:1 on the automotive version.
Regards, Dogsharks