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World Products Merlin 409 "W" Aluminum Block

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Quick Overview

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  • Deck Height: 9.600

  • Std Bore Size:.4.240

  • Max Bore Size:4.530

  • Crankshaft: Standard BBC clearanced for 4.250

  • Rods: Standard BBC

  • Pistons: 409 special w/valve notches relocated

  • Cam: 409 special w/BBC cam bearing journals

  • Cam Location: Standard BBC

  • Lifter Location: Standard 409

  • Lifters: Special 409 Lifters

  • Timing Chain: Standard BBC

  • Oil Pan: Standard BBC

  • Oil Pump: Standard BBC

  • Oil Pump Drive: Standard BBC

  • Timing Chain Cover: Standard BBC

  • Water Pump: Standard 409

  • Cylinder Heads: Standard 409

  • Intake Manifold: Standard 409

  • Distributor: Standard BBC w/.300 spacer under the collar

World Products Merlin 409 "W" Aluminum Block

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Details

The Merlin 409 aluminum block is coming along. There has been some questions as of lately that we have heard answered with varying data so we felt that we needed to educate every one. Merlin 409 aluminum block is basically a Big Block Chevy. It accepts the following to assemble it
1. BBC crankshaft up to a 4.250" 2. BBC harmonic balancer 3. BBC connecting rods 4. BBC custom pistons with 409 domes 5. BBC timing chain and cover 6. BBC camshaft but with 409 lobe positions 7. BBC +.300 tall lifter with straight tie bars ( Lamar Walden Automotive has these in stock. ) 8. BBC starter 9. BBC oil pan 10. 409 style water pump 11. 409 pulleys and brackets with the exception of needing a BBC bottom crank pulley ( Lamar Walden Automotive has a complete serpentine belt set up if needed )