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AMC emissions air tubes |
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dsm6678
AMC Nut Joined: Jan/08/2012 Location: Mid Atlantic Status: Offline Points: 478 |
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Posted: Oct/04/2012 at 11:05pm |
I just wanted to post this to help other people trying to hook up the emissions air pump system on amc v8s
Kennedy american and american parts depot help out with hard to find parts but the air tubes I found here,
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THE MENACE
AMC Addicted Joined: Nov/04/2008 Location: So. California Status: Offline Points: 4428 |
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[QUOTE=dsm6678]I just wanted to post this to help other people trying to hook up the emissions air pump system on amc v8s
Kennedy american and american parts depot help out with hard to find parts but the air tubes I found here,
Good information!
You can also get the AIR tubes and washers from any parts store that sells Dorman products like NAPA A/P. I don't think you can get the bolts there though, not sure.
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Former Owner of:
The Craig Breedlove "AERO AMX" Still Owner: SS/AMX #9 replica (THE BIG MENACE) 70 AMX 416, EFI, Nash 5 speed 70 Javelin 401, 727 (Wife's) 72 Gremlin Autocross Project. |
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dsm6678
AMC Nut Joined: Jan/08/2012 Location: Mid Atlantic Status: Offline Points: 478 |
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I did not know dorman made them.
thanks
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dsm6678
AMC Nut Joined: Jan/08/2012 Location: Mid Atlantic Status: Offline Points: 478 |
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The bolts are back in production. I got them from chrysler for $10.00 a peice that is including shipping rounded off.
This emisions setup (egr and air injection) cost me 1,000 dollars but I was missing everything including the brackets for the pump and diverter valve bracket. The diverter valve , diverter valve bracket , air pump brackets and egr sensors are VERY difficult to find for a 1973 amc v8. Edited by dsm6678 - Jun/16/2013 at 7:26pm |
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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5368 |
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Keep in mind that these parts are NOT correct for emission controls on 1970 and prior AMC's. Additionally, if you are a purist these emissions tubes are not correct...they will fit but originally the check valve is intergral to the tube. Great alternate for function though.
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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uncljohn
AMC Addicted Joined: Jan/03/2013 Location: Peoria AZ Status: Offline Points: 5394 |
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If you are attempting to restore removed smog accessories on the 70, yes, you are correct but to my knowledge at this writing there is nothing out there that is correct, but carefully installed they have the appearance of being correct. However the smog pump and it's mounting is still going to be a problem. That is totally different then later applications. |
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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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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5368 |
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The early tubes are very different also...they have 4 interfaces with exhaust manifolds on each side and 71 up style have 3 on one side and 4 on the other?? What do you do with the fourth hole in manifold?? How does this "appear" correct?? Not to be stick in mud, just want to make sure 68-70 owners don't think this is "great" solution. Just for comparison purposes, see the pic below, top one is NOS 68-70 Tube with integral check valve and straight tubes (left and right same part), middle one is NOS 71-up Tube with integral check valve (handed, 4 port), bottom one is NOS 71-up with screw on check valve (opposite handed from middle one, 3 port). Sorry none for sale. I do remember someone at previous National meet have repoped these tubes.....maybe someone else can comment on this.
Edited by 401MATCOUPE - Jun/15/2013 at 9:26am |
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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ramblinrev
Moderator Group Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11472 |
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Thanks for the good pictures and descriptions, Ross!
I believe those re-pop tubes are non-functional, if I recall. Not a big deal, but an actual working system really does help cut emissions. The 3 vs. 4 on one side on the newer style was a clearance issue, I'm pretty sure...just trying to recall whether on certain cars the brake booster, or ps/air pump were in the way....
Edited by ramblinrev - Jun/15/2013 at 4:39pm |
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74 Hornet Hatchback X twins (since 1977)
62 American Convertible (still worth the $50 I spent in 1973!) AMCRC #513, AMO #384 70 AMX 360 4-speed (since 1981) |
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kcsamc
AMC Addicted Joined: Sep/03/2011 Location: Denver, PA Status: Offline Points: 1974 |
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Ross, ever try fixing these tubes? I twisted mine trying to take them off the manifold with loose juice and heat. Wondering if anyone has been successful reconstructing a set by regrafting new small tibes to the main tube?
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scott
AMC Addicted Joined: Jul/10/2007 Location: Wildwood Pa. Status: Offline Points: 3498 |
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Kevin, as long as the main tube is solid, it should be easy to replace the small tubes. They are the same size as steel 5/16" fuel line, if I remember correctly. Drill out the large manifold end to 5/16 where the tube goes in, bend some fuel line to fit, & braze them in. Even if the main tube is rusty, it can be replaced too. I used the frame tube from a folding chair. Here's a pic of the tubes I made mostly from scratch. Not 100% detail perfect, but better than using the later tubes for my application.
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