Factory Five's GTM
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Factory Five figured someone would try to squeeze a 427 into the GTM's engine bay, so they did it first, and with some room to spare! The red prototype uses the Porsche G96 six-speed trans found in GT3 Porsches. A G50 Porsche transaxle from '87-98 two-wheel-drive 911s is used in the black car, which has the lower (350-horse) engine. Testing on a mobile wheel dyno showed the red GTM with its 427 engine produced 430 horsepower at the rear wheel! Yahoo! View Related Article
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