If I understand this correctly, 5-bolt 289 flywheels and 6-bolt 289
flywheels have different numbers of teeth? Since I have both types of
motors (and starters, if the two are different) stored in my garage, I
want to make sure I have this straight so I don't install an incorrect
starter on my 5-bolt.
Roland
>Date: Thu, 9 Dec 1999 10:59:09 -0700
>From: Bennett Cullen-P21988 <Cullen.Bennett@motorola.com>
>Subject: Re: Starters
>
>To TYm McDowell and listees,
>One thing to be concerned with, especially when changing engines, is the
>number of teeth on the flywheel ring gear when mating a starter to it
>(as well as the built-in flywheel balance weights). When I rebuilt my
>engine I was having a new ring gear installed onto the flywheel (the old
>one was all chewed up). The previous owner had swapped a 5 bolt 289 for
>the 260. The shop called me and said it had an "odd" number of teeth on
>the flywheel for a 289. Apparently Ford used different numbers of teeth
>for different engines. A mismatch will cause the teeth to be eaten off
>rapidly, and you cannot visually look at the starter drive gear and know
>which number of teeth it is supposed to mesh. Maybe someone on the list
>can clarify (by the numbers) which goes with what?
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