Quote:
Originally Posted by BYprodriver
The intake manifold is designed by Porsche to maximize torque thruout the 2.7l rev range. The 3.4L 996 manifold is designed for 3.4L. .7L is a huge difference in airflow requirements. You will lose low RPM torque & if you gain any @ high rpm it will be like the valves, small. A 3.2 Box intake may help if the ports are the same size. If you can tell me the size of your 2.7's runner openings I can compare that to a extra 3.2L I have.
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I got them mounted on already so I won't be able to give you the measurements. I thought the 2.7 and 3.2 were identical manifolds.
Jack Raby had made this quote on another thread: "That 2.7 intake is killing the potential of that engine. The 2.7 intake is inadequate even for a 2.7 engine."
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