Quote:
Originally Posted by Terry Burtz, Calif
There is a lot of conflicting information regarding rear main seals, and for the education of all, I ask BRENT in 10-uh-C in post 2 of this thread to explain how thrust (I assume fore and aft movement of crankshaft?) needs to be adjusted. The Burtz seal was designed for the crankshaft to be in its original location. The following is copied from Brent's post.
"If you use the Terry Burtz seal, then you need to be able to adjust the thrust (-again, machine work by the machinist) to set the proper thrust."
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Terry, sorry for any confusion in my comment, -and you covered my intent as it has been my experience that not all engine rebuilders place the crankshaft into Ford's specified thrust location, and not all crankgrinders grind the cranks in the thrust area equally.