Dart 31384175 - Dart SB-Ford Iron Engine Blocks

Dart puts Ford racers in front with thier first iron blocks designed just for Fords. Working with leading Ford racer and engine builders, they designed the Iron Eagle Race Series and Sportsman small-blocks to solve the shortcomings of performance-type blocks used in high-performance and competition applications. Dart blocks for Fords are produced on dedicated tooling and machined on state-of-the-art CNC equipment. They added the features that Ford racers need to build powerful and reliable engines. Take a close look and you'll see why Fords fly with Dart!

Features:

• Siamesed Cylinders: Standard 4.000'' or 4.125'' cylinders can be safely bored to 4.185'' diameter. Extra-thick walls prevent cracking and produce excellent ring seal.
• Scalloped Water Jackets: Increase coolant flow around cylinder barrels to prevent detonation, extend engine life and produce consistent cylinder temperatures.
• Steel Four-Bolt Main Bearing Caps: Three center caps have splayed outer bolts for maximum strength, rear ca uses standard 1-piece seal.
• Stock Components: Provisions for stock motor mounts, accessory drives, smog pumps, starter brackets, oil pans and pumps.
• Upgraded Oiling System: Has a complete stock-type system plus a low-tension priority main oiling system with front and rear external oil pump feeds.
• Dual Crossovers: Allow oil flow to be metered with restrictors for roller lifter cams and/or roller rocker arms to reduce oil flow and windage.
• Reinforced Head Bolt Bosses: Blind tapped to prevent leaks and produce accurate torque readings. Extra-thick decks prevent head gasket leaks.
• Standard Camshaft and Cam Drive: Standard cam and cam drive can be used. Lifter valley of sportsman block has bosses for production hydraulic roller lifters.
• Precision CNC Machining: Ensures consistent high quality and eliminates expensive ''blueprinting''.

  Tech Tip - Oiling System