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<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>I found a comment
which makes sense to me.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=078055119-02122015></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>Flywheel ring gear
was changed from 160 to 157 teeth to improve starter gear
engagement.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=078055119-02122015></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>Ring gear OD =
13.258" circumference = 41.65"</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>41.65"/ 160 =
.26"</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>41.65" / 157 =
.2653"</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=078055119-02122015></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>Maybe this is why my
160 tooth original ring gear was all chewed up.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=078055119-02122015></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>I have not found a
date when Ford made this change to 157 teeth.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=078055119-02122015></SPAN></FONT> </DIV>
<DIV><FONT size=2 face=Arial><SPAN class=078055119-02122015>Ron
Fraser</SPAN></FONT></DIV></BODY></HTML>