Re: change over from gas to diesel

Posted by Bob M on February 14, 2007 at 18:03:50 from (69.205.124.61):

In Reply to: change over from gas to diesel posted by ole farmall on February 14, 2007 at 17:12:55:

Would indeed be cool. But it's not unlikely it could be made to work. The M gasoline block and crank, while robust, are simply inadequate for the higher stresses of diesel operation.

Just compare a few spec's for M gas and M diesel (MD) engine crankshafts:

Number of main bearings: gas = 3; diesel = 5
Main bearing diameter: gas = 2.80"; diesel = 3.75"
Crankpin diameter: gas = 2.55"; diesel = 3.25"

As you can see the diesel M engine is built MUCH heavier...

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Incidentally direct electric start diesel M's DO exist in the form of the the British built BMD. But the BMD diesel is also much more heavily constructed than it's gasoline counterparts.

Replies:

• Re: change over from gas to diesel HAS 19:16:10 02/14/07 (0)

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