Vortec heads casting numbers
Racer
Joined: Dec 2003
Posts: 399
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From: Haslet,Texas
L31 refers to the engine that the vortecs were used on. The castings 906 and 062 are the castings used on the production vehicles. The casting 060 is what you'd buy over the counter from a GM parts distributor.
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Burning Brakes
Joined: Aug 2005
Posts: 751
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From: Lufkin Texas
Originally Posted by 73'Vette
L31 refers to the engine that the vortecs were used on. The castings 906 and 062 are the castings used on the production vehicles. The casting 060 is what you'd buy over the counter from a GM parts distributor.
So the 062 or 906 are about the same head?
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Burning Brakes
Joined: Aug 2005
Posts: 751
Likes: 0
From: Lufkin Texas
Originally Posted by 73'Vette
The 906 and the 062's are the castings you will normally find on ebay, and from junkyards. I run 906's on my vette, and my father runs 062's on his. Either will work fine.
