01-23-2007, 08:06 PM
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Senior Club Cobra Member
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Join Date: Feb 2005
Cobra Make, Engine: Contemporary, FE, Tremec TKO 600
Posts: 1,986
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Not Ranked
Quote:
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Originally Posted by autoxmike
From a quick internet search on the block casting #:
some 2-bolt blocks were manufactured from the same casting as the High Output 4-bolt blocks. Between 1971 and 1974 the production of 2-bolt and 4-bolt engines could have utilized the same casting (D2AE-CA) depending on what was delivered to the assembly line. This casting was called the Cobra Jet (CJ). In the case of the 4-bolt block, they were drilled, tapped, and stamped as a D3ZZ-A part number, were as the 2-bolt was not drilled or tapped, but stamped with a D1ZZ-A part number.
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So if I understand correctly, it's essentially the same as the 4 bolt main block, but with two bolt mains? |