[Tigers] Timing deviates - advice needed

[Pointers]

It is a 302. Not sure the specific year, but early-mid 70's I suspect. Not
sure if that changes the equation in terms of cam gear material used?




On 2012-03-26, at 11:22 AM, " Ron Fraser" <rfraser at bluefrog.com> wrote:

> 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 at autox.team.net [mailto:tigers-bounces at autox.team.net]
> On Behalf Of David or Gary Franchi
> Sent: Monday, March 26, 2012 11:19 AM
> To: Pointers; tigers at 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