[DML] Re: Timing marks on crankshaft pulley

["content22207" <brobertson@xxxxxxxxxxxx>]

One mark is TDC Cylinder #1, the other is TDC Cylinder #6. PRV
wierdness (it's a good engine, but definitely has its quirks).

The two marks are 150 degrees apart. Look at the pulley with them
located  2:30 and 9:30 -- TDC #1 is to your right and TDC #6 is to
your left.

If your timing scale hasn't been monkeyed with you should be able to
time the ignition off whichever wire is easiest to access (you may
find that to be #6).

If your timing scale needs to be re-indexed, the PRV does have a nifty
way to do so: on top of the engine are two block plugs. The one
closest to the front (our back) accesses the oil galley. The one
closest to the back accesses a crankshaft counterweight, into which an
8mm indexing hole is pre-drilled. Rotate the engine close to TDC #1
(no more that 20 degrees BTDC) and insert a foot long 5/16" drill bit
through the rear hole. The bit will ride on the counterweight.
Continue rotating the engine until the bit drops into the indexing
hole (8" or so down from the top of the engine). Cylinder #1 is now
TDC, and the timing scale can be positioned accordingly.

Crankshaft pulley is of course keyed, and does not have a harmonic
balancer, so you shouldn't ever need to worry about the timing marks
themselves.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "Matt" <supermatty@xxxx> wrote:
> Seems like this topic has come up before but I haven't found anyone 
> post an answer.  Which of the marks on the crankshaft pulley is the 
> one for cylinder #1?  When I look at my pulley, both of the marks 
> seem to be located within the same 180 degree semicircle.  In other 
> words, the two marks are not at opposite ends of the pulley.  Could 
> someone please describe which one is correct?  I'm trying to set my 
> ignition timing.
> 
> Matt
> #1604




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