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Which BluePrint Engine Block Should I Choose For My Application?

 Small Block Chevy (SBC)

Best For

  • Bracket Racing
  • Super Gas
  • Super Street
  • Street/Strip Applications
  • Comp Eliminator Builds
  • Large Cubic Inch Small Blocks

Common Applications

  • 350ci
  • 383ci
  • 400ci
  • 406ci
  • 427ci SBC

Choose An SBC Block If

  • You want a traditional Chevrolet small block platform.
  • You plan to build a naturally aspirated racing engine.
  • You need a compact package with strong aftermarket support.
  • Your racing class favors SBC combinations.

Big Block Chevy (BBC)

Best For

  • Maximum naturally aspirated horsepower
  • Super Comp
  • Comp Eliminator
  • Drag Racing
  • Large displacement applications

Common Applications

  • 454ci
  • 489ci
  • 496ci
  • 502ci
  • 540ci+

Choose A BBC Block If

  • You want maximum cubic inches.
  • You need exceptional torque production.
  • You plan to build a large displacement competitive racing engine.
  • Your application benefits from a traditional big block platform.

LS

Best For

  • Modern engine builds
  • Power-adder applications
  • Turbocharged combinations
  • Supercharged combinations
  • High-RPM applications
  • Late-model swaps

Common Applications

  • 376ci
  • 427ci
  • Large cubic-inch stroker combinations

Choose An LS Block If

  • You want a modern engine architecture.
  • You plan to run EFI.
  • You anticipate future turbocharger or supercharger upgrades.
  • You want excellent cylinder head and aftermarket support.

Small Block Ford (SBF)

Best For

  • Mustang Builds
  • Ford-Powered Race Cars
  • Super Gas
  • Super Street
  • Bracket Racing
  • Street/Strip Vehicles

Common Applications

  • 302ci
  • 306ci
  • 347ci
  • 351W
  • 408W
  • 427W

Choose An SBF Block If

  • You are building a Ford-powered vehicle.
  • You want a Windsor-based combination.
  • You plan to build a stroker small block Ford.
  • Your class or vehicle platform favors Ford power.
Naturally Aspirated Applications

Recommended Platforms

SBC

Excellent for:

  • 700-1,200+ HP builds
  • Comp Eliminator
  • Bracket Racing

BBC

Excellent for:

  • 1,000-1,500+ HP builds
  • Large displacement racing applications

SBF

Excellent for:

  • 700-1,200+ HP builds
  • Ford-specific racing platforms

LS

Excellent for:

  • 800-1,400+ HP builds
  • Modern naturally aspirated combinations
Power Adder Applications

Turbocharged

Recommended:

  • LS
  • BBC
  • SBC

Supercharged

Recommended:

  • LS
  • BBC
  • SBC

Nitrous

Recommended:

  • BBC
  • SBC
  • LS
  • SBF

Proper rotating assembly selection, block preparation, and tuning are critical regardless of platform.

NHRA Applications

Before selecting a block, verify:

  • NHRA approval status
  • Racing class eligibility
  • Deck height requirements
  • Bore and stroke requirements
  • Intended displacement

Some BluePrint blocks are approved for:

  • All NHRA Classes

Others are approved for:

  • Stock Eliminator
  • Super Stock
  • Comp Eliminator
Frequently Asked Questions

Which block is best for maximum horsepower?

The answer depends on displacement goals, power adders, and vehicle application. BBC and LS platforms are often selected for the highest horsepower combinations.

Which block is best for a naturally aspirated race engine?

SBC, BBC, SBF, and LS platforms can all be excellent choices depending on displacement, class rules, and performance objectives.

Which block is best for turbocharging?

LS and BBC combinations are commonly selected for turbocharged applications, although all BluePrint platforms can be used successfully when properly built.

Should I buy for my current goals or future goals?

Future goals should always be considered. Selecting the proper foundation initially can help avoid costly upgrades later.