Awesome deal if the heads are decent. Now I want one.

For what you've got in the purchase, going aftermarket on the top-end should be plenty do-able.

Looks like darts iron eagle 308 head dne. Maybe the blocks don’t either. Sad, with that 10.236 dh and 4.625 bore you could make a 638.

lol... yeah ive already looked at that and did the Math.
The +.100 bore size and +.125 stroke of the PSI combo should be a great starting point for a healthy build that wont break the bank or trigger wifes radar.

That option is still on the table.
I will get these two engines apart to survey what is or isnt salvagable... then will focus on getting a shortblock built.
Im sure Larry Hofer will be getting money from me sooner or later.
Nice thing is... I can easily use aluminum heads on this build. I just (today) received my closed cooling kit from Orca Marine... so the block and heads will only ever see antifreeze.

Well... they arrived today and look fantastic.
I am reasonably certain they are/were both gasoline engines. The fuel rails smell like gasoline.

I hope there isn't a bunch of broken carnage inside.

One of the motors is only 2 years old. No sticker on the other one but it appears identical so I suspect it is also pretty new.

Both have the full length oil pan sumps. Im pretty sure this with fit the hull of my boat... but will need to come up with a windage screen and trap door setup.

Email me so we can exchange numbers, we can video chat also and i can show you what you have. GREAT find! [email protected]
you have the best oil pan ever made for the Gen 7. It is baffled and absolutely the best built.

Those appear to be lease return engines. My bet is they have next to no hours, crass hatch is crystal clear. If they have flat top pistons they are 10:1, the Rods were built by SCAT they are prostock I beams. the rod caps are cracked or they could be machined, they transitioned to cracked ones. They are bronze bushed with small ends tapered.
Fuel injectors are Bosch 89lb high imp injectors. very valuable and are sourced from the BMW M series platform.
The oil pan has two different baffles, they do fit any mercruiser installation.
The R block will also accept JP double row timing set with multi key.
The crankshaft is very likely a Kellog crankshaft. Kellog and Dr Gu no longer manufacture cranks for PSI but PSI purchased thousands of them from Kellog. Every single crankshaft i have seen in even the 2021 builds have kellog cranks.

Are those intake plenums bigger than the stock 8.1/496? They look a little bigger... The throat is 4 bolt rather than 3 as well, the TB hole looks bigger as well.

Awesome.

I just popped the valve covers off and one engine had a bunch off loose rockers on one side... so I tightened them down and did a little more digging. Now I can see there is also no head gasket on that side and two lower head bolts are missing. lol

Both engines rotate fine, so nothing broken, but the one missing a head gasket does feel like it binds every time that side has a piston at TDC... so zero deck clearence and carbon build-up is probably causing that or the valves are kissing pistons.

Im at work until 4pm and have limited time to fool with them... so heads may have to come off tomorrow.

Both engines do in fact have the LS style heads with trunnion mounted rockers... (see pics)

I *may* just do a fresh rebuild on one of them and toss a Raylar cam in it to see what happens. Might need to flycut pistons... but otherwise feel like I got a solid deal here. I'm really curious how well these newer LS heads will work.