Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. These numbers are found after removing the valve cover on the head. Some cast iron heads have the casting number on the underside of an intake runner. Some aluminum ...
We get a number of inquiries regarding casting numbers, engine build dates and engine assembly/suffix codes. Many folks want to know where to look for these Chevy engine casting numbers and codes on blocks and cylinder heads so we decided to put these pages with photos together to help you ...
Cylinder Head Bolt Style Torque to Yield (TTY) Cylinder Head Bolt Size (10) M12 x 1.75, M8 Corner bolts **Blank specifications are currently unavailable.** Camshaft Specifications Part Number 12642245 Duration @ .050 in. (int./exh.) 188°/223° Valve Lift (int./exh.) 0.502 in./0.561 ...
Cylinder Head Specifications Casting Number 823 Material Aluminum Combustion Chamber Volume 68cc Intake Port Shape Rectangle Intake Runner Volume 257cc Exhaust Port Shape D-Port Exhaust Runner Volume 87cc Intake Valve Dia. 2.165 in. Exhaust Valve Dia. 1.590 in. Cylinder Head Bolt Style Torque to ...
The Cylinder head casting code is one of the best ways to identify a cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs. If you are looking for Camaro parts be sure to check out the following: ...
350 chevy head casting informationBarney Harp
The number of aftermarket counterparts can add up to the confusion as well. It is possible to get advice from experts of the field. Cylinder head configurations are tricky and confusing. It would not hurt to seek professional help if you are still unable to reach a decision. ...
The R07 block has a new six-bolt head bolt pattern instead of the small-block's traditional five-bolt design. The revised head bolt pattern improves head gasket sealing and reduces cylinder bore distortion. The R07's camshaft is located higher in the block than the camshaft in the SB2. Th...