1970 GTX disc brakes
07-14-2007, 12:32 PM
#1
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1970 GTX disc brakes
Hi everyone!
I just purchased a 1970 GTX that came from the factory with front disc but somewhere in its life had drums swaped back in. What do I need to convert it back over. I would like to keep it as stock as I can. It is a n96 440 4 speed , dana car and is optioned out nice. Will the spindles need to be changed?? I have a freind with a 74 charger se that just installed lowering spindles and I could probable talk him out of the stock ones. Will they work?? . I know or think I can still get the rotors-calipers-hoses from a auto parts store??. I dont know if the proportioning block is the correct one for discx or they changed that out also. Any help would be great.
. Been out of mopars for a little bit and I can see I might need help doing the right thing to the car. So far the Disc and a AM- tape are the only missing items off the fender tag,Thanks in advance Rich
I just purchased a 1970 GTX that came from the factory with front disc but somewhere in its life had drums swaped back in. What do I need to convert it back over. I would like to keep it as stock as I can. It is a n96 440 4 speed , dana car and is optioned out nice. Will the spindles need to be changed?? I have a freind with a 74 charger se that just installed lowering spindles and I could probable talk him out of the stock ones. Will they work?? . I know or think I can still get the rotors-calipers-hoses from a auto parts store??. I dont know if the proportioning block is the correct one for discx or they changed that out also. Any help would be great.
. Been out of mopars for a little bit and I can see I might need help doing the right thing to the car. So far the Disc and a AM- tape are the only missing items off the fender tag,Thanks in advance Rich
07-18-2007, 10:26 PM
#2
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1970 Mopars had fixed four piston calipers and a two piece rotor. The 1974 Charger disc brakes are floating caliper single piston and have a unicast rotor. The inner wheel bearing is larger on the later set up.
The 74 spindles will fit but you will have to find caliper adapters, calipers, rotors, and hoses. You might have to change your master cylinder too. They are different for disc brakes, no residual pressure valve on the disc brake section.
The early parts are out there and somebody is making repro rotors but they are pricey. Hope this helps.
The 74 spindles will fit but you will have to find caliper adapters, calipers, rotors, and hoses. You might have to change your master cylinder too. They are different for disc brakes, no residual pressure valve on the disc brake section.
The early parts are out there and somebody is making repro rotors but they are pricey. Hope this helps.
11-09-2007, 07:59 PM
#3
unclemike, my '70 sixpack RR had single piston front disks. I'm not sure--it's been a long time, but I do think it had two piece rotors.
Even when I owned the thing, I always had arguements with parts people on front seals and caliper kits.
Even when I owned the thing, I always had arguements with parts people on front seals and caliper kits.
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