McMaster Carr

Paul,  I just went to the McMaster Carr web site to order.  They have a
new page up on the Neoprene-Isolated rod ends which states the working
temperature is between 32ºF and 180º F.    I don't think we can  use
them.    Jerry

I think they are just being overly conservative. The vast majority
of engine mounts in the world are neoprene. I had a discussion with
them about that concerning the temperature rating of the pressure gauges.
They lowered the temp rating on those too. These mounts are so overkill
it is ridiculous. They are basically covering their butts as far as 
their warrantee is concerned. If you are still not happy with this
use a metal 3/8 on the lower oil pan end and a 1/2 inch rubber on the top
end. The cool end. Same left and right hand thread scheme.
I am going to stick with rubber on both ends.

Paul Lamar
 
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