[Tigers] Timing deviates - advice needed

[Larry Mayfield]

forgot to remove the trailer.... bummer..

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Gary, also tell them about the dizzy itself, especially the points 
breaker cam setup. And ask if anyone has a stock dizzy that you can 
borrow for trouble shooting if in your neck of the woods.  And the part 
number and maker of the dizzy.

And you other guys, stay on point, lol...  this is an interesting problem.

mayf

______________________________
drmayf
Worlds Fastest Sunbeam, period.
204.913 mph flying mile
210.779 mph exit speed


On 3/26/2012 1:29 PM, Pointers wrote:
> 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
> _