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Currency - All prices are in AUD

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ARC Racing

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Rod Length Ratios

Rod Length RatiosThere are as many theories about rod lengths as there are any other subject that deals with racing.As strokes get longer, rod lengths get shorter and at some point in time, this will create a problem. We don't know if we've crossed the line yet, but we're definitely leaning on it. At the [...]

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Discovery By Fatality

WEDNESDAY, JULY 8, 1998 Discovery by FatalityRe: Crankshaft flex and side covers By: Lynn Cooley Date: July 8, 1998We all are aware that a crankshaft will flex and bend. What we don’t know, or should I say didn’t know, is how much. We also didn’t know what kind of specific problems the flexing would create.Obviously the [...]

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Stock Briggs & Stratton 5hp Calculation Formulas

Stock Briggs & Stratton 5 hp.Calculation FormulasCalculation FormulasStock Briggs & Stratton 5 hp. specifications:Deck height: 6.2835"Rod length: 3.8750"Compression height: 1.1900"Rod bore (crank): 1.0010"Rod bore (wrist pin): .4910"Cylinder bore: 2.562"Stroke: 2.4370Measuring StrokeStroke is measured from the center line of the crank bearing journal to the center line of the rod journal multiplied by 2.Measuring Deck HeightDeck [...]

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