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Dart Big M blocks and Diamond pistons for our big-power BBC engine builds as explained in the video below:
Our customized Hooker turbo manifold and the bracket-less Holley serpentine system occupy very little space
off–road
THE FOUNDRY THAT SUPPLIED THESE BLOCKS TO DART FILED CHAPTER 11 IN 2025
“Boost Builder” functions offer the ability to assist building boost on the starting line by altering ignition timing
Dart LS Iron Long Block, Mechanical Cam, MLX Head Gaskets LS Next2 Dart Big M blocks andOur 427ci mechanical roller, iron LS long blocks come in two primary flavors: conventional or copper head gaskets. This build uses Cometic MLX gaskets which have a max boost rating of 35 psi. Copper head gaskets with fuel hoops will hold far more pressure, but may require occasional torque adjustments. Those long blocks have a different part selection to better work with the higher boost levels. The top of our LS horsepower ladder is the 462ci billet
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