[Tigers] Rear Main seal issues

Tom Witt atwittsend at verizon.net
Thu Jan 24 15:25:38 MST 2019


For that "someday, when" I'm curious as to whether you are talking rope or 
rubber seals, how much you trim (typically), and is it both halves or just 
one?  Thanks

-----Original Message----- 
From: spmdr--- via Tigers
Sent: Thursday, January 24, 2019 8:52 AM
To: tigers at autox.team.net
Subject: [Tigers] Rear Main seal issues

I have been unhappy with rear main seals for decades!

I first noticed the problem when I checked main bearing clearances.

With the seal, the bearing clearances changed.

The seal was keeping the main cap from seating properly with the block!

I checked high and low for different sources of seals (including FORD), and 
found they are ALL the same!!

So I gave up looking and decided to trim the ends of the seals as needed.

Also, of course, real main seal leakage comes into the picture.

And all of this is compounded with blocks that have been alignehoned or 
alignebored.

I have mentioned this issue to Fel-Pro and they are totally unconcerned.

So I have been trimming seals with mostly good results. YMMV.  DW
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