Re: flywheel to Torque converter nuts, lost one
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Forum Ambassador
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I leave the suggestions of fasteners to others, other than the suggestion that if can't find the proper fastener in the hardware store, I'm sure Mike Dulinksi has a bucket of them. But whatever you do, you need to keep the same weight on each stud for balance so you best use the same fasteners on all 4.
Posted on: 2018/4/7 13:08
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Re: flywheel to Torque converter nuts, lost one
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Forum Ambassador
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Personally, I would shy away from the nylon insert type. While they would probably work there could be some condition that would soften the nylon and possibly let the nut work loose. As O_D said, there is Mike Dulinski for used originals or if you wanted to get new, I would look for something all metal -- maybe something like this steel anti vibration nut McMaster sells is available locally.https://www.mcmaster.com/#94820a245/=1cb8n2n
Posted on: 2018/4/7 13:36
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Howard
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Re: flywheel to Torque converter nuts, lost one
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Home away from home
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You don't say what size and pitch the nut is. What you want is commonly referred to as a castle nut. It is commonly used with a cotter pin through the nut and bolt to ensure that it does not loosen. Amount of torque to used is almost always based on the size of the bolt.
You may be able to get them at Home Depot or Lowes and another well stocked hardware store. I would probably use a grade 5 or 8
Posted on: 2018/4/7 18:05
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Re: flywheel to Torque converter nuts, lost one
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Forum Ambassador
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Believe they are 3/8-24 threads. Not sure that is a cotter key type castle nut because the slots are too narrow for a cotter key and no keys are on the studs from the converter. The original nuts probably use either distorted threads in the body or else the threads in the prongs taper in for a tight interference fit to keep snug. .
Posted on: 2018/4/7 19:24
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Howard
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Re: flywheel to Torque converter nuts, lost one
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Forum Ambassador
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Howard nailed it. The slots are cut to allow those segments to be squeezed in so that they fit slightly tighter on the shaft. They are noted as being marsden type nuts (self-locking).
Posted on: 2018/4/7 19:50
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Re: flywheel to Torque converter nuts, lost one
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Home away from home
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This proves that I'm not too old do still learn something.
Thanks to my tutors.
Posted on: 2018/4/7 20:06
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Re: flywheel to Torque converter nuts, lost one
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Forum Ambassador
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Let's not confuse castellated nuts with self-locking nuts like the one Howard referenced, two different things.
Posted on: 2018/4/7 20:15
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Re: flywheel to Torque converter nuts, lost one
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Home away from home
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The McMaster-Carr version is more obvious due to the many small slots but Packard's, at least the way it looked in the photo, could easily be mistaken as a regular castellated nut.
Posted on: 2018/4/8 1:30
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Re: flywheel to Torque converter nuts, lost one
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Home away from home
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Use regular 3/8-24 nuts with a star washer or a drop of Loctite. Git r done.
Posted on: 2018/4/8 11:02
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