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jimTN · 05-16-2013, 06:53 AM

33-5 all are basically the same block. Later blocks have the breather tube in the valve valley. If I remember right, pan did not change until the block with the breather tube.

05-16-2013, 06:53 AM	#4
jimTN Senior Member Join Date: May 2010 Location: Powell, TN Posts: 2,645	Re: help 33 engine id ? 33-5 all are basically the same block. Later blocks have the breather tube in the valve valley. If I remember right, pan did not change until the block with the breather tube.