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Timing Marks

Started by GMWPN6 · 6 Apr 2004 · 5 replies

Preserved from CalaisTurbo. Original authors and dates are shown; archived members are not current Holdcom accounts.

GMWPN6Archived member
on the harmonic balancer there are 7 marks. Does anyone know what degree each mark stands for, when adjusting the timing. thanx
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exchaserArchived member
First mark u see is TDC (top dead centre), each mark after that represents five degrees in timing. so it goes tdc, five, ten, fifteen, twenty, twenty-five. thirty. to get ur motor on tdc, u align the first mark with the little hump with the while line through it on the lower timing cover. Ollie
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ITSGMHArchived member
interesting, on the 5 litre each mark represents just 2 degrees!!!!
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SLO.BT1Archived member
old thread here peoples, but i know the marks represent increments of 5 degrees, but do you start counting from the drivers or passengers side ?
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RaZ_TuRboArchived member
from left to right.. just like a sophisticated algabraic equation. sorry to answer the question...drivers side if you are looking at the engine like you normally do.
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SLO.BT1Archived member
yeah thats what i thought,it logical for it to be like that. just checking.thanks a bunch dude.
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