Chevrolet small-block engine information: Chevy V8 casting numbers, bore and stroke, parts for sale, engine building, Chevy restoration and racers.
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 ...
Small Block Chevy Head information Casting NumbersBarney Harp
Casting Numbers 12646956 Material Rotocast A356-T6 Aluminum Combustion Chamber Volume 65.47cc Intake Port Shape Rectangle Intake Runner Volume - Intake Manifold Bolt Pattern LT4 Specific Exhaust Port Shape Flat Oval Exhaust Runner Volume - Cylinder Head Bolt Style Torque to Yield (TTY) Cylinder Head ...
Port Flow is one more point that owners should learn if they want to change the heads of their small block Chevy. The numbers displayed often implies about the engine performance and the amount of airflow which passes by it. The port flow is represented by CFM which translates to cubic fee...
Newer variants of the 454 use aluminum heads but share the same cast iron block. They also share the exact same displacement and bore x stroke of 4.25″ x 4.0″. Firing order for the Chevy 454 is 1-8-4-3-6-5-7-2. Early versions of the 7.4L V8 were able to deliver 360-450 hor...
While CFD is commonly associated with aerodynamic development of race cars, it can also be used to analyze the behavior of fluids such as the coolant flow through the Chevrolet R07's block and cylinder heads. FEA was used to analyze the strength and minimize the weight of the R07's block ...
350 chevy head casting informationBarney Harp
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 ...