1970 Plymouth ‘Cuda Engine Options and Specifications

1970 Plymouth ‘Cuda Engine Options and Specifications

In 1970 the Plymouth ‘Cuda could be ordered with five different high performance engine options. For the 1970 ‘Cuda, the 383 high performance 4 barrel engine was the standard engine. Four engine options were available including the 340 4 barrel, 440 4 barrel, 440 6 barrel and the 426 Hemi. This article will include the…

413 Max Wedge Cars: Plymouth and Dodge Tips for Performance

413 Max Wedge Cars: Plymouth and Dodge Tips for Performance

Plymouth and Dodge published tips and recommendations for the 1962 Max Wedge cars equipped with the 413 Maximum Performance engines. These recommendations were included in the Max Wedge owner’s manual and car salesman’s facts about the cars. This article will include each one of the recommendations from Plymouth and Dodge. They include tips about the…

426 Max Wedge Oil Pan Specs (’63-’64): Capacity and Pickup

426 Max Wedge Oil Pan Specs (’63-’64): Capacity and Pickup

Let’s examine the oil pans for the 1963 and 1964 426 Maximum Performance (nicknamed Max Wedge) engines. The 426 Max Wedge engines have a 5-quart oil capacity and a front and rear baffle. The two baffles helps with oil control during acceleration. The oil pan uses a swinging pickup for oil transfer to the rear…

426 Max Wedge Engine Compression Ratios

426 Max Wedge Engine Compression Ratios

The 426 Maximum Performance Wedge Engine (nicknamed Max Wedge) was produced in 1963 and 1964. Three different compression ratios were used. The 426 Max Wedge engine has the following compression ratios from the factory: Year 426 Max Wedge Compression Ratio (Dodge) 426 Max Wedge Compression Ratio (Plymouth) 1963 Ramcharger 426/Ramcharger 426 ll11.0:1 or 13.5:1 Compression…

426 Max Wedge Camshaft Specs for Both Years: 1963 and 1964

426 Max Wedge Camshaft Specs for Both Years: 1963 and 1964

Let’s examine the camshaft specifications for the 1963 and 1964 426 Maximum Performance (nicknamed Max Wedge) engines. The 1963 426 Max Wedge engine had a mechanical cam with a duration of 300°, a lift of .509″ and a 75° overlap. That cam was replaced later in 1963 with another mechanical cam with a duration of…

426 Max Wedge Horsepower: How Much and the Torque

426 Max Wedge Horsepower: How Much and the Torque

There were two different horsepower and torque ratings for the 426 Maximum Performance Wedge (nicknamed Max Wedge) depending on the compression ratio of the engine. The 426 Max Wedge engine with 11.0:1 compression ratio (1963-1964) has the following power ratings: The 426 Max Wedge engine with 13.5:1 compression ratio (1963) has the following power ratings:…

413 Max Wedge Crankshaft: Main Journal and Bearing Sizes

413 Max Wedge Crankshaft: Main Journal and Bearing Sizes

The 413 Max Wedge crankshaft is made of forged steel and has a 3.750″ stroke. It is similar to the standard 413 crankshaft except it has hardened journals and shot peened fillets. The main bearing journals are ground .0005″ under the standard shaft size. This was done for the following reasons: The crank’s connecting rod…

The Difference Between a 413 and 413 Max Wedge Mopar Engines

The Difference Between a 413 and 413 Max Wedge Mopar Engines

Many people wonder about the differences between a 413 and a 413 Max Wedge. A 413 Max Wedge engine was made for competitive racing while the standard 413 was produced for passenger vehicles. Although based on the same engine block design, the Max Wedge has more horsepower, higher lift cam, shorter cross ram intake manifold,…

Factory Transmissions Available for the 413 Max Wedge Engine

Factory Transmissions Available for the 413 Max Wedge Engine

The 413 Max Wedge engine and cars get all the attention but some people wonder which transmissions were offered. The 413 Max Wedge engine came standard with a Borg Warner T-85 close ratio three speed manual transmission. An automatic 727 torqueflite transmission was available as an option. The T-85 manual was shifted using a floor…

The Max RPM for a 413 Max Wedge Engine (Redline)

The Max RPM for a 413 Max Wedge Engine (Redline)

An iconic engine like the 413 Max Wedge should be protected against over revving the engine too much. The Chrysler engineers recommended to protect the fine working parts of the 413 Max Wedge engine, it should not be run over 6,500 r.p.m. Also, wide open throttle operation must be limited to fifteen seconds in duration….

413 Max Wedge Cylinder Head Specs: Ports, Valves & Chambers

413 Max Wedge Cylinder Head Specs: Ports, Valves & Chambers

The 413 Max Wedge cylinder head is made of cast iron and has 25% larger intake and exhaust ports than the previous 413 engine. The intake valves are 2.08″ and the exhaust valves are 1.88″, 1/4″ larger. The cast number is 2402286 and the part number is 2402358. The combustion chamber volume is 83 to…

413 Max Wedge Fuel Pump Specs: Type, Pressure and Numbers

413 Max Wedge Fuel Pump Specs: Type, Pressure and Numbers

The 413 Max Wedge engine came with a Carter high capacity, mechanical diaphragm fuel pump. The Chrysler part number is 2421466 and Carter model M3446. The pump has three valves for maximum capacity and a high-pressure spring delivering 6-8 p.s.i. @ 1,500 rpm. The fuel pump is driven by the camshaft and is made of…

Mopar 413 Max Wedge Intake Manifold Type and Identification

Mopar 413 Max Wedge Intake Manifold Type and Identification

Let’s examine what type of intake manifold the 1962 413 Max Wedge (Maximum Performance) engine was produced with. The 413 Max Wedge engine intake manifold is an aluminum cross ram design engineered to mount two 4-barrel carburetors diagonally across from each other. The intake runners are 15″ long and are tuned to increase engine horsepower…

413 Max Wedge Firing Order: Cylinder & Distributor Location

413 Max Wedge Firing Order: Cylinder & Distributor Location

Let’s take a close look at the firing order of a 1962 413 Max Wedge (Maximum Performance) engine. The 413 Max Wedge engine firing order is 1-8-4-3-6-5-7-2. The firing order is the same for the Plymouth Super Stock 413 and the Dodge Ramcharger 413 engines. This article will inform you of all the cylinder number…

How Many Liters a 413 Max Wedge Engine Equals: Formula Also

How Many Liters a 413 Max Wedge Engine Equals: Formula Also

Many new engines are measured in liters so many people ask how many liters is a 413 Max Wedge engine? A 413 Max Wedge engine is 6.8 liters rounded off. The exact liter measurement is 6.767857431415782. Keep reading to find out how I calculated 413 to liters. This formula will work properly to calculate any…

413 Max Wedge Oil Pan Specs: Baffles, Pickup and Capacity

413 Max Wedge Oil Pan Specs: Baffles, Pickup and Capacity

The 1962 413 Max Wedge engine has a 5-quart oil capacity and a front and rear baffle. The two baffles helps with oil control during acceleration. The oil pan uses a swinging pickup for oil transfer to the rear of the pan during acceleration and to the front during deceleration. The 5-quart capacity is for…

413 Max Wedge Carburetor Specs: Type, Size, Numbers

413 Max Wedge Carburetor Specs: Type, Size, Numbers

Let’s take a close look at the 413 Max Wedge carburetors. The 413 Max Wedge engine was produced with two Carter AFB four-barrel carburetors, list #3447S and part #2402359. They flowed approximately 600 CFM each with 1-7/16 inch primary bores and 1-11/16 inch secondary bores. The carburetors were mounted diagonally across from each other and…

413 Max Wedge Camshaft Specs: Ramcharger and Super Stock

413 Max Wedge Camshaft Specs: Ramcharger and Super Stock

Let’s take a look at the 1962 413 Maximum Performance (Max Wedge) engine camshaft specifications. The 413 Max Wedge engine had a cam duration of 300°, 75° overlap and a lift of .509″ intake and exhaust. The camshaft used flat-faced mechanical tappets. Plymouth and Dodge both had their own versions of the 413 Max Wedge….

413 Max Wedge Engine Compression Ratios

413 Max Wedge Engine Compression Ratios

There were two different compression ratios for the 413 Maximum Performance Wedge (nicknamed Max Wedge) engine produced in 1962. The 413 Max Wedge engine has the following two compression ratios: Year 413 Max Wedge (Dodge) 413 Max Wedge (Plymouth) 1962 Ramcharger 41311.0:1 or 13.5:1 Compression Ratios Super Stock 41311.0:1 or 13.5:1 Compression Ratios 413 Max…

413 Max Wedge Horsepower and Torque Factory Ratings

413 Max Wedge Horsepower and Torque Factory Ratings

There were two different horsepower and torque ratings for the 413 Max Wedge (1962) depending on the compression ratio of the engine. The 413 Max Wedge engine with 11.0:1 compression ratio has the following horsepower and torque: The 413 Max Wedge engine with 13.5:1 compression ratio has the following horsepower and torque: Year Max Wedge…

413 Max Wedge Engine Specs: 1962 Maximum Performance Engine

413 Max Wedge Engine Specs: 1962 Maximum Performance Engine

The 413 Max Wedge is an 8 cylinder engine which has 413 cubic inches, a 4.19″ bore and 3.75″ stroke. It came with two compression ratios and horsepower, 11.0:1 C.R. (410 H.P.) and 13.5:1 C.R. (420 H.P.). The engine has 2×4 bbl carburetors on a cross ram intake manifold, 2.08″ intake valves and 1.88″ exhaust…

426 Hemi Intake Manifold Type and Identification

426 Hemi Intake Manifold Type and Identification

First, let’s examine what type of manifold the 426 Street Hemi was produced with. The 426 Street Hemi engine intake manifold is a dual-plane design engineered to fit two 4-barrel carburetors. It is made of aluminum, and the basic design remained the same from 1966-1971 with some slight variations with its markings. The intake manifold…

426 Hemi Engine Distributors: Type and Part Numbers

426 Hemi Engine Distributors: Type and Part Numbers

The 426 Hemi street engine had a dual point distributor produced by Prestolite. The distributor was made of cast iron and operated with vacuum advance. It rotates counterclockwise and is located in the front of the engine on the passenger side of the block. The distributor had a metal tag secured to its housing with…

426 Hemi Engine Intake and Exhaust Valves: The Factory Sizes

426 Hemi Engine Intake and Exhaust Valves: The Factory Sizes

One of the components to 426 Hemi Engine is the size of its intake and exhaust valves. The 426 Hemi intake valve head diameter is 2.25,” the length is 5.316″-5.331″ and the stem diameter is .3085″-.3095.” The exhaust valve head diameter is 1.94,” the length is 4.7543″-4.7693″ and the stem diameter is .3075″-.3085.” Both valves…