[Fot] TR6 Oil Pump Pickup Thread

[Bill Tobin]

Sorry for the delayed response.
I checked my new spare and it does not apper to be pinned. Looks to be a press fit, which could easily become a depressed fit.    Sorry.
Didn't one of Kas' books address the issue of pinning or staking the oil pump drive shaft?
Cheers, Bill
  ----- Original Message ----- 
  From: Robert Lang 
  To: Peter Vucinic ; 'Bill Tobin' ; 'FOT' 
  Sent: Friday, April 21, 2017 5:29 AM
  Subject: Re: [Fot] TR6 Oil Pump Pickup Thread


  I have a question about the new pumps - is the rotor pinned to the shaft?


  I'm asking because I have at least one brand new one acquired at some time in the past and it is not pinned but my "other" new pump that's in the race car is pinned. When I saw the brand new one wasn't pinned, I opted for "tried and true".


  Note: this is TR6


  Regards,
  Bob Lang
  339-927-4489




  On Friday, April 14, 2017 9:06 PM, Peter Vucinic via Fot <fot at autox.team.net> wrote:




  Thank Bill,
  That’s exactly what I found. Not an issue I guess. As long as you are aware of it.

  Cheers….


  From: Bill Tobin [mailto:william.tobin31 at verizon.net] 
  Sent: Thursday, 13 April 2017 11:05 PM
  To: Peter Vucinic; FOT
  Subject: Re: [Fot] TR6 Oil Pump Pickup Thread

  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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