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Anyone ever used a M 440 block for an auto engine? #772747 08/13/10 04:29 AM 08/13/10 04:29 AM
Joined: Aug 2005 Posts: 65 Adelaide, SOUTH Australia R REDNICK OP member
REDNICK OP member R Joined: Aug 2005 Posts: 65 Adelaide, SOUTH Australia	I figure these Marine blocks would be as good as any? The engine mounts and bellhousing pattern is the same, they just have a pretty funky t/cover, Liquid cooled exhaust and cast Iron oil pan! Possibly they may actually be tougher(?) Can the right hand rotation engines can be "converted" back to "normal? Any stories/information would be helpful.... Thanks Moparts for the post..

Re: Anyone ever used a M 440 block for an auto engine? [Re: REDNICK] #772748 08/13/10 07:51 AM 08/13/10 07:51 AM
Joined: Jan 2007 Posts: 1,444 NEW JERSEY D dynamite pro stock
dynamite pro stock D Joined: Jan 2007 Posts: 1,444 NEW JERSEY	Absolutly !! I have been running one for years..My '56 ( pictured ) runs a consistant 12.5 @ 107 mph with a motor out of an old ski boat..Tha block is the same..Just make sure it was a fresh water cooled block..It ran antifreez thru the block..Raw water cooled engines were cooled by sea water.Mine was reverse rotation engine..But I used my stock crank and new pistons..cam etc. 6137525-larrys56small.jpg (82 downloads) Last edited by dynamite; 08/13/10 07:52 AM.

Re: Anyone ever used a M 440 block for an auto engine? [Re: dynamite] #772749 08/13/10 10:34 AM 08/13/10 10:34 AM
Joined: Dec 2003 Posts: 2,042 Leucadia, Ca. V vdriver top fuel
vdriver top fuel V Joined: Dec 2003 Posts: 2,042 Leucadia, Ca.	Quote: ..Just make sure it was a fresh water cooled block..It ran antifreez thru the block..Raw water cooled engines were cooled by sea water.Mine was reverse rotation engine..But I used my stock crank and new pistons..cam etc. I've been in boats my whole life, and have had 2 different marine engines (413 Chrysler and v-6 Buick) rust through cylinder walls after years of use in salt water. If yours used a closed cooling system (similar to a radiator in a car) or it was used exclusively in fresh water with an open system, then you should be good to go. If reverse rotation, then the only difference is the knurl on the rear main surface on your crank being machined in the opposite direction. If you try to use it as a standard rotaion crank you'll have oil leaks. Last edited by vdriver; 08/13/10 10:36 AM.

Re: Anyone ever used a M 440 block for an auto engine? [Re: REDNICK] #772750 08/13/10 01:19 PM 08/13/10 01:19 PM
Joined: Oct 2007 Posts: 735 New York R/T1968R/T super stock
R/T1968R/T super stock Joined: Oct 2007 Posts: 735 New York	You can use a reverse rotating crank if you have the knurling removed. Then use the newer type rear seal, not the rope type.

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