[Fot] TR6 Oil Pump Pickup Thread

[Bill Tobin]

I finally dug out an old oil pump, and a newer reproduction.
My findings: the old/original pump has 3/4 (.750) x 20 tpi.
The new pump, a Powertune, measured out to be 18.8mm (approx .740") x 1.5mm thread pitch. Obviously metric. The new pump looked inferior in quality to the old pumps. Who knew?!!!!!

Both threads are straight threads, not tapered pipe threads. If any of you need to thread tapered pipe threads, I have tapered reamers for the job. I have all kinds of crap lying around. Don't know where it all came from..........
All my measurements came using either Starrett or Mitutoyo instruments. Not China Freight. Life's too short to use cheap tools. Or ride cheap bikes. Or drink cheap beer. But I digress.
Cheers, Bill
  ----- Original Message ----- 
  From: Peter Vucinic via Fot 
  To: FOT 
  Sent: Monday, April 10, 2017 1:54 AM
  Subject: [Fot] TR6 Oil Pump Pickup Thread


  Any one on the list know what thread form etc. the oil pump strainer tube/assembly is for the TR6?

  It appears that the 'new' pumps have a different thread in them?

  Picture attached

   

  Many thanks

   

   

   

   

  "You can Make a Small Fortune From Motor Racing. As long as You Started With A Lage Fortune!"

  Kind Regards

  Peter Vucinic

  TR4 - TR7 V8 - Spitfire MkII

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