[Fot] Main Seals clarification

[Fubog1 at aol.com]

In a message dated 4/9/2007 4:15:32 PM Eastern Daylight Time,  Fubog1 at aol.com 
writes:

Are  the  main seal upgrade kits worth the trouble/expense?


In my  opinion yes but the housings sometimes need a bit of  fitting,  
depending on how much the crank center has been changed due to   line-boring.
My reply wasn't very clear so let me add that that isn't so much the  crank 
center being changed that affects the fitting of it, it's mainly  that when the 
housing bore is redone it closes up the housing bore into  which the seal 
housing registers. It makes it slightly elliptical & the OD  of the seal housing 
is essentially too big to fit properly. They usually need  some metal removal 
in order to get them concentric with the shaft & a good  fit in the housing 
bore.
Glen






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