Diyvehiclerepair
- What is a 318 Poly engine?
- What is a Chrysler Poly engine?
- How can you tell a 318 Poly?
- Is a poly 318 a big block?
- How much horsepower does a 318 Poly have?
- How much horsepower does a 318 V8 have?
- Was the Chrysler 318 a good engine?
- When did dodge stop making the 318?
- How do I identify a big block Mopar?
- How much HP does a 340 have?
- What is a Mopar Polysphere?
- How much can you bore a poly 318?
- What is a 318?
- What is a Mopar A engine?
What is a 318 Poly engine?
The Lowly 318 Poly Engine Gets No Respect. ... This name came about due to the polyspherical nature of the head design; it's not a wedge design like most other non-Hemi engines. Instead, it used a canted-valve or semi-Hemi layout, much like race engines use today.
What is a Chrysler Poly engine?
The Polyspheric or Poly engines were V8 engines produced by Chrysler from 1955 to 1958 as lower-cost alternatives to the Hemi engines. These engines were based on the Hemi engines, using the same blocks and crankshaft parts, but completely different cylinder heads, pushrods, exhaust manifolds and pistons.
How can you tell a 318 Poly?
Displacement Identification
Stamped on a pad on the left front area of the engine block under the left cylinder head is "318" to identify its cubic inch displacement. The valve covers are fastened with five screws.
Is a poly 318 a big block?
Most commonly known as the "wide-block 318," "big-block 318," or "Poly 318," official Chrysler nomenclature describes it as the A479 or A-series 318.
How much horsepower does a 318 Poly have?
A two-barrel version of the 318 was rated at 230 horsepower, and the standard four-barrel was rated at 260, where they would stay through the 1962 model year.
How much horsepower does a 318 V8 have?
The 318 (5.2 Liter V-8)
The power ratings of the new LA-series 318 were exactly the same as those for the old polyspherical-head design, 230 hp and 340 lb-ft.
Was the Chrysler 318 a good engine?
"The 318 was never a high-performance engine." Maybe true, but we'll show you how to make it one! The Good And The BadIn terms of durability, the Mopar 318 is robust. ... Two-barrel 318 engines were equipped with low-performance heads with small ports and valves.
When did dodge stop making the 318?
The Dodge 318 V-8 engine was produced by the Flint, Michigan-based Chrysler Corporation, now Chrysler LLC, from 1967 to 2002.
How do I identify a big block Mopar?
Casting numbers for the small-block Mopar and big-block Mopar engine blocks can be found on the left (driver's) side of the block, and will consist of seven numerals. These numbers are different than the stamped eight-digit number found on the right side of the engine.
How much HP does a 340 have?
With the single four-barrel cast-iron factory dual-plane intake and exhaust manifolds, the basically stock 340 revealed the glorious truth with 320.3 horsepower at 5,500 rpm.
What is a Mopar Polysphere?
The polysphere is often fondly called the "semi-Hemi" by its supporters, and it's an appropriate label in some ways. In the Hemi design, the intake and exhaust valves are stacked vertically (looking at the head from the exhaust side), and the pistons for a Hemi have their valve clearance notches similarly aligned.
How much can you bore a poly 318?
See all 27 photos Buck says most 1967-'72 LA-series 318 blocks can safely be bored a full 0.105 oversize if sonic checks don't reveal core shift. "In my research, the 318 (3.91 bore) and 340 (4.04 bore) share inner cylinder wall casting thickness. My bore recipe is essentially a 0.025-oversize 340.
What is a 318?
318 is a numeric symbol for Combat 18, a white supremacist gang. According to Police chief Wiggum on The Simpsons, it is the Police code for waking a police officer in episode 5F06, "Realty Bites".
What is a Mopar A engine?
Mopar stands for “motor parts.” The name was first used in 1937 on a can of Chrysler antifreeze. ... Today, Mopar is the umbrella name for Chrysler, Jeep, Dodge, Fiat, and Ram parts and equipment. Official OEM parts for these makes can be bought through the Mopar division.
