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TurboKraft TurboKraft is offline
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Join Date: Mar 2005
Location: Phoenix, AZ
Posts: 2,540
Crank and rods are essentially identical, and chain boxes and cam housings, too.
Heads have bigger ports but same 49 / 41.5mm valves. Larger intake and exhaust manifolds.
Better camshafts (same as 911SC profile).

They make great platforms for powerful Turbo engines.
Chris Carroll
TurboKraft, Inc.
Tel. 480.969.0911
email: -
Old 07-31-2017, 09:49 AM
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