Tag: DIAMOND

ORDERING CUSTOM PISTONS (Part 1)

ORDERING CUSTOM PISTONS (Part 1)

ORDERING CUSTOM PISTONS When an off-the-shelf slug won’t do, you need to turn to the custom boys. by Mike Mavrigian photos by author Need a set of custom slugs to work with your new heads and your bore/stroke combo? A ton of info is required before a piston manufacturer can begin to execute your order. [...]

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632 Mountain Motor (Part 1C)

632 Mountain Motor (Part 1C)

Dart 11-Degree Big Chief Cylinder Head Specs P/N………………………18500000 Material…………………355T6 aluminum alloy Comb. Chambers……….56cc (70cc also available) Intake valve dia…………2.470″ Intake port dim. …………1.815″ x 2.725″ w/3/4″ radius Intake port volume………FP CNC – 497cc Intake port location……..Raised 1.500″ spread ports Exhaust valve dia………1.800″ Exhaust port volume……185cc Exhaust port dim………..2.020″w x 1.780″h Exhaust port location……angled & raised [...]

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632 Mountain Motor (Part 1A)

632 Mountain Motor (Part 1A)

We build a big, big block drag mill just for the sheer hell of it. by Mike Mavrigian photos by author Some folks love to claim that bigger is not always better. While that may be true in some cases, let’s face it…when the conversation turns to displacement, well, bigger cain’t never hurt. After all, [...]

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