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That goes in the water jacket, and is recessed so the motor mount spacer plate doesn't interfere..

Just a FYI, find oversized pistons first then have the shop bore & hone to fit the pistons.

Nice, tin roof coming?

I don't care for using the intake like that, I don't trust the threads...

Not till 2026...

So how's the addition coming? Ya have a 30a plug for a visiting camper?

Here are spec sheets for 2 cranks. Left means rear right means front of the crank. Look at the rpm & force column, that is the force put on main bearings & webs. The 3K rpm is about the max these cranks will see so that pertains mostly ....

The crank machine, no, but spinning faster doesn't give different results. I'll post the printouts of the specs that show the first spin vs final spin for the 2 I did that day, it tells a much better story than I can on why balancing is so important.

I have had a few requests to make informative videos so here are a couple. First video we show how we square decks and cut o-ring groves. Second video we show the balancing process for crankshafts after all other parts of the assembly are balanced.

Looks like you have more help than I did 😁

We also ran 3 P400 blocks on the cnc today, this customers was one but not the one in this video, all 3 got the same machining...

This shop has a few things no other shop around here does, liquid is quick and thorough.

A little good news for this customer, crankshaft is NOT cracked, but it will need grinding...

If this is a new factory motor there won't be a pilot bushing in the crank..

I'd bet Les knows what is needed, probably not his first rodeo with concrete in Alaska....

Yes

The weights on the flywheel should be on the motor side, verify it... You should not have that much gap me thinks...

When I did my last motor I used 1" on the Mannie's and 2" everywhere else, soaked it in water so it would stritch then shrink tight dry... And good as ties..

Our equipment filters are very tight, I use a chain wrench on the big filters...

Loosen the fuel cap...