Where are the casting numbers on a Chevy head?
Where are the casting numbers on a Chevy head?
HEAD CASTING NUMBERS The head casting number is located on the top of the cylinder head. The valve covers must be removed to find the number.
How can you tell if you have a double hump Chevy head?
These heads got their nickname because of the raised identification shape on the each end. It’s two half-ovals connected by a straight bar-most easily described as “two humps.” Some of these are also nicknamed “Fuelie” heads because a version appeared on fuel-injected 327-powered Chevy Corvettes.
Where are the casting numbers on small block Chevy heads?
Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley.
How can you tell if a 350 head is a Vortec?
Vortec heads have the “sawtooth” pattern casting mark on the end of the heads. The bowl area is wide around the valve guide – much wider than the old GM cast iron ‘camel-hump’ heads. The intake and exhaust valves and valve seats have a three-angle grind from the factory.
What to look for when buying a small block Chevy head?
Places to look for cracks include the combustion chamber area between the valves and also in the top part of the head around the spring pockets. The big cork for better horsepower is really on the exhaust side of all production small-block Chevy heads.
How do I identify a Chevy cylinder head?
Chevy cylinder head Identification – Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Find cast numbers Cylinder Head ID Use these casting numbers to identify the heads you have. Small Block Casting numbers
Where are the cylinder head codes on a small block Chevy Camaro?
Chevy Small Block Cylinder Head Codes – Chevy Camaro The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs. Choose Group to View Cylinder Head Codes
What is the valve angle on a Chevy small block head?
Standard Gen-I small-block Chevy heads position the valves at a 23-degree angle to the deck. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle.
