[TR] TR 3 Rear Engine Seal

Tony Drews tony at tonydrews.com
Sat Mar 29 11:11:28 MDT 2014


I've heard good things about this option:
http://www.the-vintage-racer.com/index.php/categoryhome/engine-components/product/53-vsk-t34
It's a seal that doesn't require the crank to be ground.  It's 
probably the same thing that TRF sells, but less expensive.

Tony Drews

At 08:24 AM 3/29/2014, terryrs at comcast.net wrote:
>Hello everyone.  I'm in the process of rebuilding a spare engine for 
>TS 58667.  Am looking at the options for the rear seal.
>
>1) Grind the scroll and install the new aluminum casting modified 
>for a rubber oil seal.  This would be Moss # 837-006 at $200, plus 
>cost of grinding the scroll on the crank.  I've run those on the 
>past two rebuilds and am satisfied.  I still have leaks, but 
>probably more from the breather pipe than anything.  I do hate the 
>thought of grinding another good crankshaft that my machine shop 
>just finished going to a mere .10 under with.  Seems wrong somehow.
>
>2) Second option is to buy the modified rear seal kit HP599 from TRF 
>which also includes a new aluminum casting, rubber seal and 
>centering tool at $229, but no cost for grinding the scroll on the crank.
>
>3) The third option is to stay with the original aluminum casting 
>rear seal.  Past advice on the List here is mixed.  Some say reuse 
>the old seal, some say you can't judge wear easily so replace 
>it.  Cost for a new casting is $78 but it does take a centering tool 
>I don't have for another $56.
>
>Before I decide, I could really use the advice again of people 
>who've driven the stock rear seal.  Thoughts?
>
>Terry Smith, '59 TR3A
>New Hampshire
>
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