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Emission stuff |
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javelinman74
AMC Addicted Joined: May/12/2009 Location: Belleville,MI Status: Offline Points: 1641 |
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Posted: Apr/20/2017 at 10:54am |
Cannot find my previous post, so again wondering IF anyone has found bolts to use as plugs when removing the air tubes from the exhaust manifold? Local big hardware had nothing?!? YEARS back I bought some for my 74 Javelin, but trying to figure out how to plug those holes.
Also the air tube on the 77 Pacer is brazed and I'll get picts later today. Thanks for any ideas. Blessings Richard |
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www.a70sthingautomobilia.com
It Used To Be an AMC Thing... No One Understands! 1982 Eagle SX/4 Daily Drivers since 1995! |
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FSJunkie
AMC Addicted Joined: Jan/09/2011 Location: Flagstaff, AZ Status: Offline Points: 4741 |
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The new aftermarket manifolds come with pipe thread plugs.
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1955 Packard
1966 Marlin 1972 Wagoneer 1973 Ambassador 1977 Hornet 1982 Concord D/L 1984 Eagle Limited |
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tyrodtom
AMC Addicted Joined: Sep/14/2007 Location: Virginia Status: Online Points: 6199 |
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I don't know how many engines are like this, but on my 360, they were the same as my spark plugs.
If you really want to confuse someone, just install old spark plugs, and wire them up.
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66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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scott
AMC Addicted Joined: Jul/10/2007 Location: Wildwood Pa. Status: Offline Points: 3498 |
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On my AM V8 they were a 9/16" bolt, I forget the thread count. They were hard to find, I finally got some at a local small old school hardware store. Like Tom says, spark plugs thread in too.
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FSJunkie
AMC Addicted Joined: Jan/09/2011 Location: Flagstaff, AZ Status: Offline Points: 4741 |
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V8 are 6/16-UNC. Helps to put a copper washer under them. Six cylinder are smaller, but also fine thread. 7/16-UNC
maybe? They don't really have the boss around the bolt hole that the V8s do though, so sealing them with a gasket washer doesn't work very well. That's why I suggested a pipe thread plug.
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1955 Packard
1966 Marlin 1972 Wagoneer 1973 Ambassador 1977 Hornet 1982 Concord D/L 1984 Eagle Limited |
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DaemonForce
AMC Addicted Joined: Jul/05/2012 Location: Olympia, WA Status: Offline Points: 1070 |
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You're talking about the AIR injection manifolds, right? Don't bother looking for it. Just order a drain plug for a 1964 J-100. Should be Dorman 65231.
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Lyle
AMC Addicted Joined: Jul/17/2014 Location: None Status: Offline Points: 772 |
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1/4" socket head pipe plugs with copper washers:
https://www.fastenal.com/products/details/24133 This is for most manifolds. I did find a Jeep that needed 1/8" pipe plugs. These go on flush with the boss and look better then a bolt and washers, my opinion.
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6PakBee
Supporter of TheAMCForum Charter Member Joined: Jul/01/2007 Location: North Dakota Status: Offline Points: 5454 |
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Richard, I'm still interested in your smog tubes if you can post a pic.
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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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uncljohn
AMC Addicted Joined: Jan/03/2013 Location: Peoria AZ Status: Offline Points: 5394 |
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It seems to me the last exhaust manifold I plugged used Pip fittings, small ones and they were the correct thread. But it was an Eagle Exhaust pipe.
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70 390 5spd Donohue
74 Hornet In restoration 76 Hornet, 5.7L Mercury Marine Power 80 Fuel Injected I6 Spirit 74 232 I-6, 4bbl, 270HL Isky Cam |
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amcfool1
AMC Addicted Joined: Jun/18/2011 Location: roanoke va Status: Offline Points: 1071 |
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yup, V8 is 9/16-18, six is 1/4" pipe, thanks, gz
ps, if you ever need to get 'em out again, use copper antiseize when installing!
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george z
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