Aug 17, 2023 · Known by many as the “Giant Killer,” the Chrysler 340 V8 engine is one of the most iconic and legendary muscle car engines ever. Even though it was a small-block only displacing 340 cid, it would take down 400+ cubic inch big-blocks with ease.

The base 340 cu in (5.6 L) came with a 4-barrel carburetor and produced 275 hp (205 kW) gross. In the mid-1960s, Chrysler decided to adapt the 318 cu in (5.2 L) small block V8 into a lightweight, high output engine equally suited for drag strip or street performance use.

Nov 16, 2020 · Chrysler's 340 cubic inch V8 was one of the best engines of the 1960s and 1970s for performance enthusiasts. It had high-flow heads, big ports, a two-level intake manifold, and a six-barrel option (three two-barrel carbs).

Mar 1, 2017 · But what about the 340, launched in 1968 specifically for lightweight A-Body installations, then spread throughout the B- and E-Body performance models in 1970-'73? Did it really make "only" 275...

Dec 20, 2024 · The Dodge 340 engine is a high-performance V8 engine that was produced by Chrysler from 1968 to 1973. It is renowned for its power and reliability, making it a popular choice among muscle car enthusiasts.

The 340’s best power rating was 290 horsepower; even in 1973, it still managed 240-245 net horsepower. In 1971, the 340 came with the J heads and 2.02/1.60 valves. Since 1971 saw the introduction of the "360 style" J head, they used the same casting for 1971 340s and 360s, with different machining for the different sized valves.

Apr 7, 2024 · Among those were more than a half-dozen variants of the bulletproof slant six and a lineup of 400-plus horsepower big block V8s dubbed the B series. During that same era, Chrysler also developed...

Oct 22, 2024 · The 1973 Dodge 340 engine featured a V8 configuration, meaning it had eight cylinders arranged in a V-shaped pattern. It had a displacement of 340 cubic inches, which is equivalent to 5.6 liters. This engine was known for its impressive power and performance, making it a popular choice among muscle car enthusiasts.

The 340 V8 was designed from the point of view that a lighter weight engine with decent horsepower would amount to better performance as opposed to extremely large engines like the Dodge 440 and the Ford 462. Chrysler put quite a bit of effort into the making the 340 a respectable engine on the street as well as the race circuit.

The High Performance 340 V-8 is considered as the ultimate small block Mopar engine. The 340 featured high compression, big valves (2.02 intake, 1.60 exhaust), forged and shot-peened crank and rods and more.