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Backing plate identification |
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ambassador401
Supporter of TheAMCForum Joined: Dec/02/2012 Location: Finland Status: Offline Points: 243 |
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Posted: May/19/2019 at 11:21am |
Anyone know what car these are for? They are almost like -70 javelin v8 rear but a little bit deeper.
Part numbers are 8121984 & 8121985, could not find them in 67-72 parts catalog so maybe some later model. They are bendix brand
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68 American
68 Rebel 70 Javelin 71 Ambassador 73 Gremlin A bunch of Jeeps |
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PROSTOCKTOM
Supporter of TheAMCForum Joined: Jun/20/2010 Location: Indiana Status: Offline Points: 2427 |
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Those look like Mopar to me since they have the 5 bolt holes and I have two sets of Mopar that look that way. What is the diameter and height from a flat surface like they are sitting as pictured to the axle flange?
Tom
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ambassador401
Supporter of TheAMCForum Joined: Dec/02/2012 Location: Finland Status: Offline Points: 243 |
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They are AMC NOS parts
Here it is compared to -70 javelin plate, AMC-20 rear with 10" brakes. Same diameter but about 1/4" more height (about 1.5" total). Maybe its for some HD brakes with wider brake shoes? |
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68 American
68 Rebel 70 Javelin 71 Ambassador 73 Gremlin A bunch of Jeeps |
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ambassador401
Supporter of TheAMCForum Joined: Dec/02/2012 Location: Finland Status: Offline Points: 243 |
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68 American
68 Rebel 70 Javelin 71 Ambassador 73 Gremlin A bunch of Jeeps |
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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5368 |
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These are definitely Bendix for AMC and the numbers are correct. They are for 73 up Model 20 Coil Spring rears for FLEET and HEAVY DUTY applications. The reason they are deeper is they are for 10 x 2 1/2" wide rear brake shoes........I have seen these on Taxi, Police, 4 door Fleet and Station Wagons......they use special wide drums with these too. They were sold by AMC as a hub and drum assembly....I still have one set saved back.
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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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ambassador401
Supporter of TheAMCForum Joined: Dec/02/2012 Location: Finland Status: Offline Points: 243 |
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Thanks for the info Ross, was the hub different with the wide drums also?
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68 American
68 Rebel 70 Javelin 71 Ambassador 73 Gremlin A bunch of Jeeps |
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tomj
AMC Addicted Joined: Jan/27/2010 Location: earth Status: Offline Points: 7522 |
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the fifth hole is thew weep hole, for leaky rear axle seals. some years had only four holes, a flatter backing plate, and a thin stamped cover with the weep hole. ahh... that probably means they're not 1960's parts. |
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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