Chrysler 440 Cylinder Head Casting Numbers: Big Block Mopar

Chrysler 440 Cylinder Head Casting Numbers: Big Block Mopar

There are many reasons why you may want to know the casting numbers on a Mopar 440 engine. Let’s identify them for each year of production. The following are the 440 cylinder head casting numbers: This article will explain where to find the casting numbers for each cylinder head and some general facts which you…

440 Six Pack Cylinder Head Casting Numbers: Big Block Mopar

440 Six Pack Cylinder Head Casting Numbers: Big Block Mopar

There are a few reasons why you would want to know the casting numbers for a 440 Six Pack engine. The following are the Mopar 440 Six Pack or Six Barrel cylinder head casting numbers: A few known Six Pack/6BBL engines were produced in 1972, although the numbers are extremely limited and rare. This article…

440 Six Pack Cylinder Head Bolt Torque Sequence and Specs

440 Six Pack Cylinder Head Bolt Torque Sequence and Specs

The 440 Six Pack or 6-BBL head torque sequence and torque specs for the cylinder head bolts is a question often asked. Factory 440 Six Pack or 6 Barrel cylinder head bolts are torqued to 70 foot-pounds. The head bolts are torqued in two steps, first 40 ft. lbs. then 70 ft. lbs., while following…

440 Six Pack Timing Specs: Initial and Advance Degrees

440 Six Pack Timing Specs: Initial and Advance Degrees

The Six Pack or 6-BBL engine timing is a topic often asked by 440 owners. The following are the 440 Six Pack or 6-BBL timing specs for each year. This article will dive more into detail about each year including the factory initial, advanced vacuum, advanced mechanical and total timing. Also, the factory specs from…

440 Six Pack Carb Numbers: Mopar Carburetor Identification

440 Six Pack Carb Numbers: Mopar Carburetor Identification

The 440 Six Pack or Six Barrel carburetors are often talked about. One of the most common questions is their list numbers or date codes. Let’s answer, what are the 440 Six Pack carb numbers? The following are the 440 Six Pack carburetor numbers for all years: The remainder of this article provides detailed information…

Mopar 440 Compression Ratio: Standard and 440 HP Engine

Mopar 440 Compression Ratio: Standard and 440 HP Engine

The 440 engine packs a lot of power and a ton of torque. For this reason many people wonder about some of its specs like compression ratio. Let’s answer, what is the compression ratio of the Mopar 440? The Mopar 440 compression ratio was 10.1:1 from 1966-1969. In 1970 the compression ratio decreased to 9.7:1….

440 Six Pack Compression Ratio: 440 6-BBL Mopar (All Years)

440 Six Pack Compression Ratio: 440 6-BBL Mopar (All Years)

Its compression ratio is one of the specs which makes the Six Pack and Six Barrel the most powerful 440 engine produced by Chrysler. Let’s answer, what is the compression ratio of the 440 Six Pack? In 1969 the 440 Six Pack compression ratio was 10.1:1. In 1970 the compression ratio was increased to 10.5:1….

440 Six Pack Main Bearing Clearances: Journal and Bore Sizes

440 Six Pack Main Bearing Clearances: Journal and Bore Sizes

The 440 Six Pack or 6-BBL main bearing clearances, main journal and bore size is often asked. Let’s take a close look at each one. The 440 Six Pack desired main bearing clearance for 1969-1970 is .0005″-.0015″ and .0005″-.002″ for 1971. The maximum allowed clearance is .0025.” The main bearing journal diameter is 2.7495″-2.7505″ and…

440 Main Bearing Size: Journal and Bearing Bore Sizes

440 Main Bearing Size: Journal and Bearing Bore Sizes

The 440 Mopar main bearing size, main journal and bore size is often asked. Let’s take a close look at each one. The 440 main bearing journal size (diameter) is 2.7495″-2.7505.” The outside diameter of the main bearing or the main bearing bore size is 2.9425″-2.9430.” This article will take a deeper dive into the…

440 Rod Journal Size: Bore Sizes and Bearing Clearances

440 Rod Journal Size: Bore Sizes and Bearing Clearances

The Mopar 440 rod journal size is a question which comes up often. Let’s examine what the 440 rod journal size is. The Mopar 440 connecting rod journal diameter is 2.374″-2.375.” The rod bearing bore size or outside diameter of the rod bearing is 2.5000″-2.5005.” This article will explain the journal measurements and sizes in…

440 Firing Order: RB Mopar Cylinder and Distributor Location

440 Firing Order: RB Mopar Cylinder and Distributor Location

Knowing the firing order of a big block Mopar engine is important when tuning an engine. Therefore, let’s answer, what is the firing order of a Mopar 440? The big block Plymouth or Dodge 440 firing order is 1-8-4-3-6-5-7-2. This article will inform you of all the cylinder number locations on the engine. Also, where…

440 Six Pack Rod Journal Size: Bearing Clearances and Sizes

440 Six Pack Rod Journal Size: Bearing Clearances and Sizes

The 440 Six Pack or 6-BBL rod journal size is a question which comes up often. Let’s examine what the 440 Six Pack rod journal size is. The 440 Six Pack rod journal diameter is 2.374″-2.375.” The rod bearing bore size or outside diameter of the rod bearing is 2.5000″-2.5005.” This article will explain the…

426 Hemi Rod Journal Size: Rods Journal and Bore Sizes

426 Hemi Rod Journal Size: Rods Journal and Bore Sizes

The size of the factory 426 Hemi rod journal size is a question which comes up often. Let’s examine what the 426 Hemi rod journal size is. The 426 Hemi connecting rod journal diameter is 2.374″-2.375.” The rod bearing bore size or outside diameter of the rod bearing is 2.5000″-2.5005.” This article will explain the…

426 Hemi Main Bearing Size: Journal and Bearing Bore Sizes

426 Hemi Main Bearing Size: Journal and Bearing Bore Sizes

The size of the factory 426 Hemi main bearing journal and the main bearing bore size is a question often asked. These measurements are necessary for bearings and clearances. The 426 Hemi main bearing journal size (diameter) is 2.7495″-2.7505.” The outside diameter of the main bearing or the main bearing bore size is 2.9425″-2.9430.” This…

How Rare is a 426 Hemi? The Rarest Hemi Car Models Produced

How Rare is a 426 Hemi? The Rarest Hemi Car Models Produced

Many people like to talk about the rarity of a particular car model or engine option. This is especially true discussing the iconic 426 Hemi engine. How rare is a 426 Hemi? During the 426 Hemi’s production, only 0.7% of the car models which offered the engine as an option were produced with the 426…

426 Hemi Production Numbers: All Cars Produced (Each Year)

426 Hemi Production Numbers: All Cars Produced (Each Year)

Many people wonder how many 426 Hemi engines were produced for cars available to the public. There was a total of 10,669 426 Hemi engines produced for production cars between 1964 through 1971. This figure includes race and street versions. Of the 10,669 426 Hemi engines produced for production cars, the following is a breakdown…

426 Hemi Head Casting Numbers: Easily Identify Hemi Heads

426 Hemi Head Casting Numbers: Easily Identify Hemi Heads

You may be wondering what that old Hemi cylinder head casting number for sale is or collecting dust in your neighbor’s garage. The following are the 426 Hemi head casting numbers for the production street and race cylinder heads: The following 426 Hemi head casting numbers are for less common, experimental or revised race cylinder…