How Much Does a 700 Hp Ls vs Hemi Build Cost? Breakdown of Parts from Procharger and Manley

The world of high-performance engines often leads enthusiasts to compare the legendary LS series from General Motors and the HEMI from Chrysler. When it comes to building a 700 horsepower engine, understanding the costs associated with each option is crucial for any builder. In this article, we will break down the costs of parts from ProCharger and Manley for both the LS and HEMI builds.

Overview of LS and HEMI Engines

The LS engine platform has gained immense popularity due to its lightweight design and modularity. On the other hand, the HEMI engine, known for its distinctive hemispherical combustion chambers, has a reputation for producing significant power. Both engines have their unique advantages and challenges when aiming for a 700 horsepower build.

Cost Breakdown for a 700 HP LS Build

When building a 700 HP LS engine, several components are essential to achieve the desired power output. Below is a detailed breakdown of the key parts and their estimated costs.

  • LS Engine Block: $1,500 – $3,000
  • Forged Pistons: $600 – $1,200
  • Connecting Rods: $500 – $1,000
  • Crankshaft: $800 – $1,500
  • Camshaft: $300 – $800
  • Cylinder Heads: $1,200 – $2,500
  • Supercharger (ProCharger): $4,000 – $6,000
  • Fuel System: $500 – $1,500
  • Exhaust System: $800 – $1,500
  • Tuning and Miscellaneous: $1,000 – $2,000

The total estimated cost for a 700 HP LS build ranges from approximately $12,300 to $21,500, depending on the quality of parts selected and any additional modifications required.

Cost Breakdown for a 700 HP HEMI Build

Similar to the LS build, constructing a 700 HP HEMI engine involves specific parts that can vary significantly in price. Here’s a breakdown of the essential components and their costs.

  • HEMI Engine Block: $2,000 – $4,000
  • Forged Pistons: $700 – $1,500
  • Connecting Rods: $600 – $1,200
  • Crankshaft: $1,000 – $2,000
  • Camshaft: $400 – $900
  • Cylinder Heads: $1,500 – $3,000
  • Supercharger (ProCharger): $4,500 – $6,500
  • Fuel System: $600 – $1,800
  • Exhaust System: $900 – $1,800
  • Tuning and Miscellaneous: $1,200 – $2,500

The total estimated cost for a 700 HP HEMI build ranges from approximately $13,100 to $25,200, reflecting the premium often associated with HEMI components.

Comparative Analysis of Costs

When comparing the costs of building a 700 HP LS versus a HEMI engine, several factors come into play. While the LS build can be less expensive overall, HEMI enthusiasts may argue that the unique characteristics of the HEMI justify the higher cost.

  • LS Build Total Cost: $12,300 – $21,500
  • HEMI Build Total Cost: $13,100 – $25,200

Ultimately, the choice between an LS and a HEMI build may come down to personal preference, intended use, and the specific performance goals of the builder.

Conclusion

Building a 700 horsepower engine, whether LS or HEMI, requires careful consideration of parts and associated costs. By understanding the breakdown of these costs, builders can make informed decisions that align with their performance goals and budget. Both engine platforms offer unique advantages, and the ultimate choice will depend on individual preferences and project requirements.