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Pilot bushing |
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jrsjav 
AMC Apprentice 
Joined: Jul/17/2007 Location: Franklin, Wi Status: Offline Points: 75 |
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 Topic: Pilot bushingPosted: May/17/2021 at 5:16pm |
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How do you install pilot bushing in this crankshaft? It’s stepped not smooth. 390 running a T10. Bushing only goes in 3/16” or so but that’s it.
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Life's too short to be stock!!
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Trader
AMC Addicted 
Joined: May/15/2018 Location: Ontario Status: Offline Points: 6881 |
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Posted: May/17/2021 at 6:52pm |
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Never seen that kind of stepping on an AMC/Jeep crankshaft before.
Since it's easier and cheaper to machine a bushing to suit, I'd take the crankshaft and bushing to a machine shop and have them fit the bushing. Machining the crankshaft to the correct dimensions for a standard bushing would be a better solution, but likely quite expensive and you really don't want someone to mess up a $1000+ part vs a $10 part. It's not like your in there replacing this every couple of years.
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msbamc
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Joined: May/29/2009 Location: bel air md Status: Offline Points: 55 |
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Posted: May/17/2021 at 7:29pm |
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IF you have the crank machined have it machined for a roller pilot bushing
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jrsjav
AMC Apprentice
Joined: Jul/17/2007 Location: Franklin, Wi Status: Offline Points: 75 |
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Posted: May/17/2021 at 9:00pm |
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Does anyone know what years this crank is from?
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Life's too short to be stock!!
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Heavy 488
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Joined: Apr/27/2019 Location: In the Status: Offline Points: 3553 |
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Posted: May/17/2021 at 9:48pm |
72 and newer.
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6PakBee
Supporter of TheAMCForum 
Charter Member Joined: Jul/01/2007 Location: North Dakota Status: Offline Points: 5457 |
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Posted: May/18/2021 at 8:49am |
I DO NOT KNOW IF THIS WILL WORK. With the Mopars the end of all crankshafts are machined to accept the torque converter snout for the TF transmission. I assume the '72 and up AMC cranks are machined to the same dimension. The problem solver for the Mopars is to use a roller pilot bearing that fits in the crank register for the converter snout. In this manner no machining is necessary and you get a roller bearing. Here is a link to the bearing. |
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Roger Gazur
1969 'B' Scheme SC/Rambler 1970 RWB 4-spd Machine 1970 Sonic Silver auto AMX All project cars. Forum Cockroach |
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jrsjav wrote: