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Re: Industrial/Motorhome 413's made until 1973

From: Cbody
Remote Name:
Date: December 22, 2002
Time: 11:05:50


Couple other points to be aware of, depending on the application (GVW) in addition to the industrial heads the water pump housing is also different. A major problem with *some* of the industrial/truck 413's is the use of an 8 bolt crank flange (instead of the standard 6), the crank flange itself also protrudes farther out from the block than a 6 bolt crank, making the use of a standard 727 an expensive proposition. Now not all the 413's had the 8 bolt crank, but you're going to want to make sure that it's got the 6 bolt before performing any work on it. The industrial/truck 413's also use the "6 pack" rods, which while strong, are entirely too heavy for a performance build, if it has them you'll want to use aftermarket or standard LY rods. Jay


Last changed: July 19, 2018