4 cyl big block!

[Clive Apps Techno-Logicals 416 510 0020]

> 
> So, I was crawling around my boat ('81 Phantom I/O) w/ Mercruiser trying
> to find out what kind of motor is in there to give me some hints on
> converting to EFI.  I found a casting number on the head, D3VE-A2A. 
> Tried looking it up in altavista and guess what? I've got a Ford big
> block in there!  Don't know how they got 460 CID out of just 4
> cylinders.  Or maybe I just missed the other 4 cylinders.

you have a 215/230 CU in made from 1/2 of a Ford 429/460
this engine also came ( very rare) as 1/2 of a Boss 429

you can get a lot more power by replacing the head with a D0OE-R ( SCJ 429)
or a D0VE-xxx 1970 460 head

I would bet even the 460/429 cams will fit

Clive 
> 
> Can anyone help me figure this out?  Here's some other info I found:
> Model #:   MCM470
> disp:      224 CID 4cyl
> 170 HP
> 
> The dist and the oil filter are both on the right/starboard front of the
> engine, the filter is horizontal.  What is it???
> 
> --steve
> 
> -- 
> Steve Ravet
> ARM, INC
> steve.ravet at arm.com
> www.arm.com