Posted by Owen Aaland on August 30, 2009 at 17:08:06 from (65.174.247.87):
In Reply to: 460 to 560 diesel posted by SDE on August 30, 2009 at 11:42:14:
milo7890 said: (quoted from post at 14:42:14 08/30/09) Hi there. I have a 460 diesel that I pulled the head off the other day and needless to say found alot of stuff I didnt want to see!! Question is I always heard you could put a 560 crank in them, gas or diesel where the same. what about a gas motor from a 403 combine?? Its a 263, would that crank work??
The cranks on the 263, 282, 291, and 301 are all dimensionlly the same. There are five different part numbers used. Early gas crankshafts are not suitable for use in diesels and will break in use. Early diesel crankshafts were not regrindable, standard bearings only. Because of the way they were hardened they will break if reground. The other shafts can be used in either type of engine.
A 263 crank will change the engine size from 236 CID to 282 CID. To put a crank out of a 263 into the 460 diesel you will also need the pistons for a diesel 282. Because the 263 crank has a longer stroke the pin hole in the piston has to be closer to the top of the piston so it doesn't hit the head.
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