Para64 Porsche 911 Carerra RSR 3.0 Grand Prix 1/64 Norman Rockwell Swapping an LS engine into

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but the math used to design engines to be competitive does not change

Tony Nancy

The simplicity of the Toploader transmission lends to an easy understanding of its operating procedure within its effective design

Para64 Porsche 911 Carerra RSR 3.0 Grand Prix 1/64 Norman Rockwell Swapping an LS engine intoThe 1973 911 Carrera 2. 7 RS is the most recognised and sought after of Porsches with its ducktail spoiler and familiar 911 narrow body. Significant changes were made in 1974 adding a 3. 0L engine, wider wheels with center lock hubs, front spoiler with oil cooler and the distinctive whale tail wing. The result dominated the GT category with the 3. 0 RSR becoming the most successful Gr. 4 racing car of its time. After regulation changes made the all