I need a TR engine measurement! | FerrariChat
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I need a TR engine measurement!

Discussion in '308/328' started by kerrywittig, Jan 17, 2006.

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  1. kerrywittig

    kerrywittig Formula 3
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    Nov 10, 2005
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    Kerry David Wittig
    #1 kerrywittig, Jan 17, 2006
    I need the diameter of a 1987 TR cranksft where it runs through the front seal.........If you have it or know a source to find that info please post and also if you would email dimension to me directly at [email protected] Thanks, Kerry
     
  2. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
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    The Bad Guy
    #2 ernie, Jan 17, 2006
    Those specs should be in the workshop manual.
     
  3. carguy

    carguy F1 Rookie

    Oct 30, 2002
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    Jeff
    #3 carguy, Jan 18, 2006
    Nope...the workshop manual shows the journals and the throws diameters, but not the crankshaft snout where the front seal contacts it. I did a NO-NO and scaled the drawing in the manual...and it calculates out to be approximately 34.65mm at the snout.

    Kerry....have you determined this dimension yet?
     
  4. kerrywittig

    kerrywittig Formula 3
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    #4 kerrywittig, Jan 18, 2006
    Haven't gotten a dimension yet Jeff! Thanks for the research though.

    Ernie the shop manual doesn't give that info!?!?

    Anybody out there have any ideas?

    By the way Jeff the "Neon" will be our frugal secret!!! LOL

    Kerry
     
  5. simonc

    simonc Formula Junior

    Nov 1, 2003
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    Herfordshire, UK
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    Simon Campbell
    #5 simonc, Jan 19, 2006
    I've got an idea but it may not be correct. I have a 400 and the main journals are the same size as on my 365 BB, in fact the main bearings are the same part number. I also looked at the front oil seal in the parts manuals and this is the same part number. I would therefore assume the cranks are ground to the same sizes. Does this sound right?

    I have my 400 crank out on the bench at the momnet and I will measure it tonight and let you have the dimension. It may be different but if this is in the ballpark with your scaled up measurement from the picture then my assumption may be correct.

    Simon
    in London
     
  6. simonc

    simonc Formula Junior

    Nov 1, 2003
    884
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    Simon Campbell
    #6 simonc, Jan 19, 2006
    OK, I measured my 400 crank it it is 36.55 +/- 0.03mm. Don't know if this helps or not.

    Can I ask why you want to know?
     
  7. kerrywittig

    kerrywittig Formula 3
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    #7 kerrywittig, Jan 19, 2006
    Reason being is that the seal has been replaced 3 times and continues to leak.........So...........I am going to order a redi-sleeve to install and see if this ceases the leak. Thanks for doing the "homework' for me. I just want to get the sleeve in hand previous to pulling the engine thanks, Kerry
     

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