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RE: Engine Design Theory: Mutli-Plane Cranks

To: "Triumph List" <triumphs@autox.team.net>
Subject: RE: Engine Design Theory: Mutli-Plane Cranks
From: "Eric Conrad" <conrade@qwest.net>
Date: Tue, 6 Feb 2001 08:46:38 -0700
Indeed, Kai, my TR6 crankshaft was multi-planar.  Cylinders 1 & 6 are on one
plane, cylinders 2 % 5 are on one plane, and cylinders 3 & 4 are on the last
plane.  I can't verify that they are all separated by 120 degrees - it's now
in the engine - but it looked darn close to 120 degrees.  If you've rebuilt
your 6 engine, when you turn the crank to achieve TDC prior to timing the
cam, you should notice that 1&6 move together, 2&5 move together but behind
the first grouping, and 3&4 move together behind all the others.
Eric

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