 Six heat exchangers |
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| 914itis |
 May 9 2015, 01:38 PM
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#1
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Advanced Member  Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States  |
I can't seem to find any tool that will fit inside the holes for the He's and I don't have enough room to slide the bolt not the socket under .
Help ! |
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| sixnotfour |
May 9 2015, 01:45 PM
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#2
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914 Wizard Group: Members Posts: 10,428 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains 
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Do you have the female allen barrel nuts ??
or use a 12mm hex 8mm thread nut ..thin wall socket or turned done in dia. |
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| mskala |
May 9 2015, 01:50 PM
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#3
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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QUOTE(sixnotfour @ May 9 2015, 03:45 PM)  Do you have the female allen barrel nuts ?? or use a 12mm hex 8mm thread nut ..thin wall socket or turned done in dia. For all the studs with the heat exchanger tubes beneath them, you should have barrel nuts. A long allen (8mm?) with 3/8" drive on the other end and you're good to go. The hard one for me was front right that doesn't have a tube. You need to bend up a ridiculous angle since the head and the exhaust are in the way. |
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| 914itis |
May 9 2015, 01:53 PM
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#4
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
They are 13 mn.
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| Jeffs9146 |
May 9 2015, 01:53 PM
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#5
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Ski Bum Group: Members Posts: 4,062 Joined: 10-January 03 From: Discovery Bay, Ca Member No.: 128 |
QUOTE(sixnotfour @ May 9 2015, 12:45 PM) Do you have the female allen barrel nuts ?? or use a 12mm hex 8mm thread nut ..thin wall socket or turned done in dia. (IMG:style_emoticons/default/agree.gif) I had to put a spacer because my header was thinner than the stock 3.0L exhaust manifold. Allen Barrel Nut Attached image(s) 
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| 914itis |
May 9 2015, 02:00 PM
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#6
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Barrel nuts like these?
Attached image(s) 
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| fixer34 |
May 9 2015, 02:17 PM
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#7
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Senior Member Group: Members Posts: 1,085 Joined: 16-September 14 From: Chicago area Member No.: 17,908 Region Association: Upper MidWest
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QUOTE(914itis @ May 9 2015, 03:00 PM) Barrel nuts like these? Mine don't look quite that nice. Think about a piece of steel rod, maybe 13mm in diameter and 3/4" long. Hex cutout in one end and the standard 8mm x 1.25 threaded hole in the other. You can buy a 3/8" drive socket with the hex shaft already attached or make up one yourself by cutting the angle end off and using and 8mm socket. (wish I was better at drawing...) As for the ones with regular 13mm nuts, a ratcheting, flex wrench is worth it's weight in gold... |
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| mskala |
May 9 2015, 02:48 PM
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#8
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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QUOTE(914itis @ May 9 2015, 04:00 PM) Barrel nuts like these? Original style do not have a lip, which would be useless anyway. They are just the right diameter to go through the tubes. |
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| mskala |
May 9 2015, 02:52 PM
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#9
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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This is what I have. You can get barrel nuts from Pelican.
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| screenguy914 |
May 9 2015, 04:06 PM
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#10
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Member Group: Members Posts: 249 Joined: 6-July 09 From: So. Cal Member No.: 10,540 Region Association: Southern California |
Typically you will encounter years of corrosion preventing easy extraction, even with the correct tools. Use Kroil or equivalent, perhaps heat from a oxy-acetylene torch and other cutting tools to remove them. Don't apply brute force, otherwise the stud may break at the cylinder head (they might anyway). Be patient. Review the archives on Pelican Parts forum for different removal strategies and tools.
Sherwood |
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| Steve |
May 9 2015, 09:12 PM
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#11
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914 Guru Group: Members Posts: 5,580 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California
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QUOTE(mskala @ May 9 2015, 01:52 PM) This is what I have. You can get barrel nuts from Pelican. Same tool and setup I have for my heat exchangers. There are also a couple of 8mm nuts on each side (13mm wrench size). I use either a short 13mm wrench or flexible 13mm socket. I was actually able to torque these nuts this time with the flexible 13mm socket. I ran into the same problem with the triad as a previous poster. You have to assemble everything loose with the muffler and then tighten/torque the heat exchangers. I am surprised how much play there is side to side with the heat exchangers. |
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| 914itis |
May 9 2015, 09:23 PM
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#12
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Thanks .
Rory has some barrel nuts for me that I will pick up sometimes tomorrow. |
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| Perry Kiehl Clone |
May 11 2015, 06:45 AM
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#13
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Unregistered |
Put some milk of magnesia or anti-seize on the studs and barrel nuts, it will help when you have to remove them.
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