Gary
Dave makes a good point. According to Bob Mannel's book Ford
started using the nylon covered cam timing gear in March 1965. The B19KC
Tiger engine group may all have this style timing gear and all the MK II 289
engines will have this style timing gear.
If your engine has an 5E for March 1965 or later assembly code, you probably
have a nylon covered timing gear. You could take the fuel pump cover plate
off the timing cover and use a borascope or similar to maybe see the timing
gear.
Ron Fraser
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of David or Gary Franchi
Sent: Monday, March 26, 2012 11:19 AM
To: Pointers; tigers@autox.team.net
Subject: Re: [Tigers] Timing deviates - advice needed
I had the exact same problem with my 289 65 Mustang. The problem turned out
to be the nylon? teeth were coming off the timing chain cam sprocket (you
would be surprised how many teeth can be worn down and missing and the chain
will keep working). The chain would flex and jump some teeth now and then, I
would reset the timing and it would run fine, for awhile.
If this turns out to be your problem make sure to take your oil pan off and
clean out all the particles, or you will end up with another problem, a
twisted distributor drive rod/shaft when a piece of crud gets stuck in the
oil pump gears, guess how I know this.
David Franchi
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