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B230ft engine timing marks and crank 700

posted by someone claiming to be Leo Jon on Tue Oct 15 23:15 CST 2002 [RELATED]

I have a 1989 volvo 780 turbo. I would like to know some of the mechanics of this engine. HOw many times does the crank turn in relationship to the cam. If I set the cam at the mark is it possible to have the crank at 180 Degrees out of phase if I have it lined up on the crank mark. Thanks in advance...Leo

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B230ft engine timing marks and crank 700

posted by Don Foster on Wed Oct 16 00:08 CST 2002
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last visit: Sun Oct 5 11:53 CST 2014

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"HOw many times does the crank turn in relationship to the cam..."

Two.

"...cam at the mark is it possible to have the crank at 180 Degrees out of phase..."

Not if it's timed properly.

However the opposite IS true. That is, if you align the crank timing marks, it's possible that the camshaft will be 180 degrees out...
--
Don Foster (near Cape Cod, MA)

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B230ft engine timing marks and crank 700

posted by Aye Roll on Wed Oct 16 10:17 CST 2002
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last visit: Tue Oct 14 21:08 CST 2014

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Hopefully this diagram makes all the worlds mysteries clear to the uninitiated.

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