83 Boxer engine and gearbox rebuild | Page 4 | FerrariChat

83 Boxer engine and gearbox rebuild

Discussion in 'Boxers/TR/M' started by Newman, May 31, 2018.

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  1. Newman

    Newman F1 World Champ
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    Dec 26, 2001
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    Newman
  2. DonB

    DonB Formula Junior
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    Nov 11, 2003
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    Don Bartz
    FWIW, the rubber covers over the wiper nuts are depicted in the Ferrari parts manual. TAV 116, #3, PN 61035200 Cappucio copridado. My car, 51723 came with them and appeared to be original.
     
  3. Newman

    Newman F1 World Champ
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    Thank you! Im not sure why some markets have them. This boxer and my 400 both have the correct black acorn nuts under them.
     
  4. Newman

    Newman F1 World Champ
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    One of my new billet diff's in for a preload check with the existing shims and its right on the money. Ill check gear pattern and backlash next.

    The one un-plated stud for the side cover was left in because it felt like it was going to snap if I insisted on taking it out. A case of "the cure is worse than the disease". Its hidden well enough to let slide and the front studs are not visible to anyone but the pedestrian you're running over. Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login
     
  5. JimEakin

    JimEakin Formula Junior

    Jun 13, 2015
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    Ferrari castings are amazing - work of art.
     
  6. Newman

    Newman F1 World Champ
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    Agreed! Fun to just look at and you can see the passion that went into them.
     
  7. CarbBoxer

    CarbBoxer Formula Junior

    Oct 7, 2008
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    PW
    Really nice work.

    Branching out into 400i?
     
  8. Newman

    Newman F1 World Champ
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    Thats mine! I was changing the oil over the holidays. I do have some 400 customers too, not just boxers :)
     
  9. Newman

    Newman F1 World Champ
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  10. dwhite

    dwhite F1 Rookie

    Ouch, I doubt Nolan Ryan could throw that hard in his heyday. ;-)

    Wish I had my car down here in Fl, I'm in need of a blast.

    Work looks amazing as always in pictures and it's the exact same even in the flesh.
     
    Newman likes this.
  11. Newman

    Newman F1 World Champ
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    We made a very light cut on the one block half to allow us to correct the main journal alignment and size. New bearings, fresh paint and reinstalled studs that were pulled to make the cut on the block. Tomorrow Ill bolt the two halves back together.

    Cutting the block on a flat 12 doesn't leave much room for correction like a V8 or any V engine because the engine has to fit the gearbox, the timing cover has to fit the two halves once together and the rear main seal opening has to be taken into consideration as well.

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    ago car nut likes this.
  12. 4right

    4right F1 Rookie
    Rossa Subscribed

  13. Newman

    Newman F1 World Champ
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    The front timing cover was what I wanted and various studs were worth every penny. I’ve since sold the engine to someone that wanted it after I took what I needed. I had it kicking around in the loft for a couple of years before deciding I really didn’t need this thing sitting here.
     
  14. Newman

    Newman F1 World Champ
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    of2worlds likes this.
  15. Newman

    Newman F1 World Champ
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  16. turbo-joe

    turbo-joe F1 Veteran

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    romano schwabel
    not even updated to a coffee table? ;)
     
  17. 53ford

    53ford Karting

    Nov 13, 2009
    112
    hello Paul.....that piston skirt could be damaged. I'd have an expert check it before it goes back in. Cheers, Bernie out west.
     
  18. Newman

    Newman F1 World Champ
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    Ill mic it just to make sure!
     
  19. Newman

    Newman F1 World Champ
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  20. Newman

    Newman F1 World Champ
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    Cant get that one past my wife. Wouldn't exactly go with the decor in my house either. I have this in my office though!

    675HP at 10300 RPM! (no thats not me in the background and its really a Cosworth engine)

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  21. Newman

    Newman F1 World Champ
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  22. Newman

    Newman F1 World Champ
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    of2worlds and George Vosburgh like this.
  23. turbo-joe

    turbo-joe F1 Veteran

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    you put in larger intake valves that you have to modify the pistons?
     
  24. Newman

    Newman F1 World Champ
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    No, the factory pistons have a similar side notch, boxer, 308 doesn't matter. Although the piston doesn't look much different than a stock one, its far from stock and I needed to put the side notch there for radial clearance only. Even all stock the valve would hit if the factory didn't put that notch there. The exhaust has a mile of clearance to the point I dont see the need for a valve relief. Unless of course you missed a shift and somehow the engine spiked to 12K RPM then maybe, MAYBE it would need an exhaust relief.
     
    turbo-joe likes this.
  25. turbo-joe

    turbo-joe F1 Veteran

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    thx for the info paul. have not known/read that you use aftermarket pistons
     

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