How to build a 600 horsepower NATURALLY ASPIRATED 318?!

Summary

In this video, the creator breaks down the details of their 318 engine build, discussing the components and modifications that make it perform at around 600-630 horsepower. Key features include a 318 block with 360 pistons, Trick Flow cylinder heads, a Holley 850 carburetor, a solid roller cam, and a high-performance ignition system. The video also touches on future plans, such as potentially adding a supercharger and converting to E85 for more power. It's a no-frills, off-the-shelf setup aimed at maximizing performance without going overboard.

Takeaways

• 😀 The engine is based on a 1966-1967 318 block, bored 0.090 over, with 360 flat-top Icon pistons for higher compression.
• 😀 The engine's compression ratio is around 11.5 to 11.7:1, providing a good foundation for high performance.
• 😀 It uses Scat I-beam forged rods and an Eagle forged crank to handle increased power and durability.
• 😀 Trick Flow Power Port 190 CNC'd cylinder heads are installed, offering improved airflow and performance.
• 😀 The camshaft is a solid roller, with a lift of 0.600 inches, and the total cam lift is about 0.640 inches with 1.6 rocker arms.
• 😀 The engine is fitted with a Holley HP 850 double pumper carburetor, providing plenty of fuel for high horsepower.
• 😀 TTI 1 7/8-inch headers with a 3.5-inch collector are used for efficient exhaust flow.
• 😀 The engine's estimated power output is around 600-630 horsepower, based on real-world performance and racing.
• 😀 The ignition system is an MSD 6AL2, with a two-step rev limiter box to fine-tune performance.
• 😀 The creator plans to install a Torque Storm supercharger and switch to E85 fuel to support higher boost and compression.
• 😀 Future upgrades may include dome pistons to push the engine to around 13:1 compression, further increasing power.

Q & A

What is the engine block used in this setup?

The engine is based on a 318 block, specifically a 1966 or 1967 cast 318 block.

What modifications were made to the 318 engine?

The engine has been bored 90 over, and it uses 360 flat top Icon pistons, creating a compression ratio of approximately 11.5:1 to 11.7:1.

What cylinder heads are used in this build?

The engine uses Trick Flow Power Port 190 CNC'd cylinder heads.

What components are used for the rotating assembly?

The rotating assembly includes forged Scat I-beam rods and an Eagle crank.

What kind of intake manifold and carburetor are used?

The intake is an Edelbrock Super Victor single-plane, port-matched to the heads. The carburetor is a Holley HP 850 double pumper.

What camshaft and lifters are used in this build?

The camshaft is a solid roller Howards cam with 600/600 lift, around 279 or 280 degrees of duration. The lifters are solid roller lifters from Howards.

What rocker arms are used in the engine?

The engine is equipped with 1.6 Harlen Sharp rocker arms, which provide a total cam lift of about 640.

What is the estimated horsepower of this engine?

The engine is estimated to produce between 600 and 630 horsepower, though the owner plans to dyno it soon to verify.

What are some additional performance components used in the car?

The car uses a Myeliton 8-quart oil pan, an MSD ignition system with a 6AL2 box, and TTI 1-7/8 inch headers that lead to a 3.5-inch collector.

What are the owner's future plans for this engine?

The owner plans to eventually add a Torque Storm supercharger and switch to E85 fuel to handle more boost. They also consider refreshing the engine and upgrading to dome pistons for a higher compression ratio of around 13:1.