Sm420 necessary Hardware

Discussion in '40- & 55-Series Tech' started by CruisinGA, Jun 21, 2005.

  1. CruisinGA

    CruisinGA

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    I have a Mike Smythe adaptor, but I bought it when he was no longer offering the hardware kits.

    I cannot find a complete list of the hardware that is in this picture:
    [​IMG]

    I searched and found one of Mikes post's that lists some of the items-

    5" thread 7/16c qty 3
    Studs- Napa St52 7/16x7/16cx2 qty 2
    7/16 crimped steel locknuts qty 2
    7/16 split lock washers- qty 3
    7/16 plate washers- qty 3

    8 short bolts
    8 flat washers for short bolts
    Heres my question-

    What size are the 8 short bolts?

    It appears in the picture that the 8 short bolts are black anodized/coated- is this necessary?

    I assume the long bolts should be grade 8?

    Thanks!
     
  2. Texican

    Texican s-Moderator

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    You can use the bolts out of the rear of the SM420 when ya take the housing off, they are 3/8" course, about 1''and since they are bathed in 90 wt. it should not matter if the are coated or not
    You have the bearing?
     
  3. Pin_Head

    Pin_Head

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    I think the long bolts may be grade 5, but they may be 8.

    I didn't pay that much attention putting it together.
     
  4. CruisinGA

    CruisinGA

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    Ok, good deal. Thanks guys.

    Are you talkin about the N307LOE bearing, Butch?

    If so, yep I've got it.


    Had the adapter, bearings, and gaskets for over 2 years. The transmission for 2 days. Funny how things work out. At least it forced me to take care of all the little bits and pieces while I looked for a tranny.
     
  5. Tigerstripe40

    Tigerstripe40

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    THe long bolts are grade 5.

    They also wiped the threads out of the adapter...
    Make DAMNED sure you get the torque right, and retorque the bolts after a week or so, and then check them every so often.......

    What I Did with my adapter is that I bored the holes for the long bolts out, tapped them, and then helicoiled them down to 1/2" - 13 and used some grade 8 bolts (I would hav eused studs, but I couldn't find any that were long enough). THis has held well, and they are still torqued to their original value.

    YMMV

    -James
     
  6. CruisinGA

    CruisinGA

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    I just bought some grade 8 bolts for the long ones.

    I will check torque frequently, and if it does not hold look for another solution.

    Thanks!
     
  7. Poser

    Poser Oh...Durka Durka Durka. s-Moderator Supporting Vendor

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    Clean EVERY hole with brake cleaner VERY well before installing anything...


    Use RED LOCKTITE ON EVERYTHING!!!!


    Good luck!


    -Steve
     
  8. bustanutley

    bustanutley

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    Remeber to get the little spacer from toyota that goes between the two bearings. He has it listed on that page. I don't have it and have been running my 420 for 3 years and just recently saw that you were supposed to have that little guy in there.
     
  9. CruisinGA

    CruisinGA

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    Got it. Had it for 2 years actually. :eek:


    Will do Steve.
     
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