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70 disc brakes into a 69? |
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Perrybones 
AMC Nut 
Joined: Oct/05/2008 Location: Freehold NJ Status: Offline Points: 274 |
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 Topic: 70 disc brakes into a 69?Posted: Sep/14/2018 at 3:56pm |
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I have the complete 1970 Disc brake hardware from a Javelin, spindles, rotors, brackets, calipers, everything. Can this hardware be put into a 1969 AMX? I know everyone does not like the 4 piston calipers, but I had good success with them for 30 years until they leaked. I am willing to purchase the set of new calipers and use them on the 1969 AMX. What say you?
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Perry 70 Javelin SST 390, 69 AMX 343, 73 AMX 360, 67 Rebel SST Conv and 92 Corvette Conv. (modern muscle to keep wife happy).
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Trader
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Joined: May/15/2018 Location: Ontario Status: Offline Points: 6884 |
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Posted: Sep/14/2018 at 9:26pm |
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If you have all the parts and know how to do the maintenance, then why not.
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ramblinrev
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Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11540 |
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Posted: Sep/14/2018 at 9:59pm |
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70 and 69 discs are identical.
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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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401MATCOUPE
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Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5367 |
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Posted: Sep/15/2018 at 5:28am |
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I agree with Paul.....the entire brake system from front to back is the same for 69 and 70, with exception of the front brake lines in the engine compartment. changing to factory disc on the 69, make sure you have the proportioning valve under the right rear of the car and the rear wheel cylinders would be swapped to if I remember correctly (different bore size).
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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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Perrybones
AMC Nut
Joined: Oct/05/2008 Location: Freehold NJ Status: Offline Points: 274 |
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Posted: Sep/15/2018 at 1:06pm |
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Thanks all for the information, I will look into changing the front lines and valve, and also upgrading to power brake booster and master.
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Perry 70 Javelin SST 390, 69 AMX 343, 73 AMX 360, 67 Rebel SST Conv and 92 Corvette Conv. (modern muscle to keep wife happy).
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ramblinrev
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Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11540 |
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Posted: Sep/15/2018 at 2:48pm |
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Let's ask Ross if there's any difference in the 70 vs. 69 brake pedal, pertaining to PDB vs. what you have now. 70 pedals are different, but I'm not wise enough to know if that will matter when you do the changeover. Obviously get yourself the PDB booster and master. One of our Forum members reproduces most of the bracket, linkage and hardware to mount them. You can look under For Sale for those. |
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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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