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Building a high-performance engine like the K20 to achieve 400 horsepower is an exciting venture for any automotive enthusiast. This article will provide a detailed cost breakdown of the components needed to build a 400 HP K20 engine using Skunk2 parts and E85 conversion. Let’s dive into the specifics.
Understanding the K20 Engine
The K20 engine is a popular choice among tuners due to its robust design and performance potential. Originally designed for Honda vehicles, it has gained a reputation for being highly tunable. Before we explore the costs, let’s take a closer look at its specifications and capabilities.
Specifications of the K20 Engine
- Displacement: 2.0 liters
- Configuration: Inline-4
- Power Output: Up to 200 HP in stock form
- Turbocharging: Capable of supporting forced induction
Essential Components for Building 400 HP
To reach the 400 HP goal, several key components must be upgraded or replaced. Here’s a breakdown of the essential parts required for this build.
Engine Internals
- Forged Pistons: $600
- Forged Connecting Rods: $700
- Upgraded Crankshaft: $800
- High-Performance Camshafts: $1,200
Turbocharging System
- Turbocharger: $1,500
- Intercooler: $400
- Turbo Manifold: $600
- Wastegate: $300
Fuel System Upgrades
- Fuel Injectors: $500
- Fuel Pump: $300
- Fuel Pressure Regulator: $150
Skunk2 Parts Overview
Skunk2 is known for its high-quality performance parts. Here are some of the Skunk2 components that will be essential for this build.
Skunk2 Parts List
- Skunk2 Intake Manifold: $700
- Skunk2 Throttle Body: $400
- Skunk2 Header: $500
- Skunk2 Cam Gears: $250
E85 Conversion Costs
Switching to E85 fuel can provide better performance due to its higher octane rating. However, it requires additional modifications.
Conversion Components
- Flex Fuel Sensor: $200
- ECU Tuning: $500
Total Cost Breakdown
Now that we have all the components listed, let’s tally up the total costs involved in building a 400 HP K20 engine.
- Engine Internals Total: $3,300
- Turbocharging System Total: $2,800
- Fuel System Upgrades Total: $950
- Skunk2 Parts Total: $1,850
- E85 Conversion Total: $700
Grand Total
Total Cost for Building 400 HP K20: $9,600
Conclusion
Building a 400 HP K20 engine with Skunk2 parts and E85 conversion is a significant investment but can yield impressive performance gains. By understanding the costs associated with each component, enthusiasts can make informed decisions on their build. Happy tuning!