Mopar 440 Six Pack Wrist Pin Size and Pistons: Length and Diameter

Mopar 440 Six Pack Wrist Pin Size and Pistons: Length and Diameter

The 440 Six Pack or Six Barrel piston and wrist pin sizes are often asked. Let’s answer, what size pistons and wrist pins are in a 440 Six Pack engine? The 440 Six Pack/6-BBL pistons are made to fit a 4.320″ engine bore size. The wrist pin is 1.0935″-1.0937″ diameter and 3.555″-3.575″ long. Continue reading…

440 Six Pack Intake Manifold Torque Sequence and Specs

440 Six Pack Intake Manifold Torque Sequence and Specs

Since the 440 Six Pack or Six Barrel used two different intake manifolds, many questions are asked about the torque specs. There are different specs for each one. Let’s examine them. The 1969 440 Six Pack or 6-BBL aluminum intake manifold bolts are torqued to 25 foot-pounds. The 1970 and 1971 cast iron intake manifold…

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…

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 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…

440 Six Pack Firing Order: Mopar Cylinder & Distributor Location

440 Six Pack Firing Order: Mopar Cylinder & Distributor Location

Knowing the firing order of a Mopar is important when tuning an engine. Therefore, let’s take a close look and answer, what is the firing order of a 440 Six Pack or 6-BBL? The 440 Six Pack or 6-BBL firing order is 1-8-4-3-6-5-7-2. This article will inform you of all the cylinder number locations on…

How Much an Original 440 Six Pack Car is Worth: Recent Prices

How Much an Original 440 Six Pack Car is Worth: Recent Prices

I’ve been researching 440 Six Pack/6BBL cars for years. They’ve always been worth more money when new and today as a collectable. Let’s take a close look at how much an original 440 Six Pack car is worth. Restored 440 Six Pack cars with their original engine are worth from $91,300 to $1,100,000 with an…