You are barking up the correct tree but it isn't an Offy.Reminds me of an Offenhauser - DOHC, reverse flow - bet it sounds great!
Not a Cosworth but I think the block is a Ford iirc. The heads make it what it is. To me, all the Indy engines of this era are similar in the way they look.Isn't that the old Ford Cosworth Indy engine?
Should be just about right for a lake running pleasure boat!Ford Indy Cammer, I've posted pictures of it in the past. Block is a destroked 289 IIRC.
Here's a version without the hot vee:
View attachment 226049
Something F1? It's odd to see exhaust stacks in the V
I wonder how many HP? The normally aspirated 4 cylinder Cosworth engines we played with were up to 250HP. So maybe 500HP?Should be just about right for a lake running pleasure boat!