RE: [Chrysler300] Timing Marks in general

["Bruce Naimy" <brucenaimy@xxxxxxxxxxx>]

John and all,
Should there not be a known relationship to the keyway on a harmonic
balancer and the timing mark on the outer ring? I realize this would change
from engine to engine, but if we had a guide for this situation we could
avoid some frustrating moments. I have a 413 and a 440 in storage that I
want to make run in the next year and this information if available would be
most helpful as I'm sure it would be too many others.
Thanks to any who might be able to supply this info.
Bruce Naimy
Walla Walla, WA

-----Original Message-----
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of John J. Hertog
Sent: Wednesday, October 05, 2005 10:13 AM
To: Warren Anderson; Chrysler300; Matt Allyn
Subject: [Chrysler300] Timing Marks in general

Matt and all,

A quick word re: harmonic balancers:  do not trust the "reference" mark on 
yours - unless you have tested / calibrated it against TDC .  I recently 
took "a pile" of used harmonic balancers I had accumulated over the years, 
when disassembling engines; and I checked them on an engine that was at TDC,

on a stand.  Out of about 10 balancers, only two were accurate to within 5 
degrees . The others were all "out to lunch" - some by ten degrees, some by 
twenty degrees, some by a whole lot more.

If your harmonic balancer is original and has not been rebuilt, there is 
more than a good chance that it's no longer accurate, and that the outer 
ring has "walked" .

John Hertog
Sag Harbor NY 





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