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copper dipped con rod #1534190 11/16/13 11:05 PM 11/16/13 11:05 PM
Joined: Jan 2003 Posts: 6,390 Abilene, Texas F fastmark OP master
fastmark OP master F Joined: Jan 2003 Posts: 6,390 Abilene, Texas	I was sorting out the parts on my spare T/A motor and wondered about this rod. It is completely covered in a thin layer of copper. The motor had several failures in its short life. It had rods from two different engines and two new rods. One was normal but the other was completely covered in copper. Even the rods bolts and nuts wee covered. The bearing surface and bushing were clean. Any ideas? All I could figure out that it may have been to add a little weight to balance it. IDK. It blasted off for the most part in my glass bead cabinet.

Re: copper dipped con rod [Re: fastmark] #1534191 11/16/13 11:08 PM 11/16/13 11:08 PM
Joined: Feb 2003 Posts: 8,020 Pangaea B5 Bee master
B5 Bee master Joined: Feb 2003 Posts: 8,020 Pangaea	The copper layer is used by the factory to get an out of spec rod back into spec.

Re: copper dipped con rod [Re: fastmark] #1534192 11/16/13 11:11 PM 11/16/13 11:11 PM
Joined: Nov 2007 Posts: 21,822 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,822 Kirkland, Washington	They sometimes copper plated rods to get the bearing specs within tolerance.

Re: copper dipped con rod [Re: Pacnorthcuda] #1534193 11/17/13 12:00 AM 11/17/13 12:00 AM
Joined: Sep 2009 Posts: 1,805 ky hills thehemikid top fuel
thehemikid top fuel Joined: Sep 2009 Posts: 1,805 ky hills	There were some 440 HP motor's in 70 that had a complete set of copper 6bbl rod's in them.

Re: copper dipped con rod [Re: thehemikid] #1534194 11/17/13 05:38 AM 11/17/13 05:38 AM
Joined: Jan 2011 Posts: 4,785 Utah and Alaska astjp2 master
astjp2 master Joined: Jan 2011 Posts: 4,785 Utah and Alaska	Some motors use copper to dissipate heat. Tim 1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta I didn't do 4 years and 9 months of Graduate School to be called Mister!

Re: copper dipped con rod [Re: astjp2] #1534195 11/17/13 09:31 AM 11/17/13 09:31 AM
Joined: Jan 2003 Posts: 6,390 Abilene, Texas F fastmark OP master
fastmark OP master F Joined: Jan 2003 Posts: 6,390 Abilene, Texas	None of the bearing surfaces were coated so all it did was add weight.

Re: copper dipped con rod [Re: fastmark] #1534196 11/17/13 02:27 PM 11/17/13 02:27 PM
Joined: Jan 2003 Posts: 1,263 Southwestern Ontario Canada racealittle pro stock
racealittle pro stock Joined: Jan 2003 Posts: 1,263 Southwestern Ontario Canada	I have a set of these rods out of a 1973 340. My machinest says that he has seen and used thousands of these rods and it is not a concern. Too many cars, too many parts, too little coin, too little space to work in, too little time left to make it all happen! Update: down to one ride, still too many parts, a little more jingle in the pocket, gaining space, and it's going to happen this year!

Re: copper dipped con rod [Re: racealittle] #1534197 11/17/13 02:44 PM 11/17/13 02:44 PM
Joined: Aug 2003 Posts: 43,141 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,141 Bend,OR USA	Quote: I have a set of these rods out of a 1973 340. My machinest says that he has seen and used thousands of these rods and it is not a concern. It seems to be more common on the 340 rods from the factory, I have several extra 340 rod now,both early and late forgings, one is coated the others are not If you want some more cores PM me $10.00 each plus the actual shipping costs Last edited by Cab_Burge; 11/17/13 02:46 PM.

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