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I’ve got a 1970 Roadrunner with factory power front disc brakes. I’m having a hard time finding the gasket/diaphragm for the master cylinder cover? Any ideas? THANKS!

I just replaced the original sway bar in my ‘70 Road Runner with an Addco bar. The improvement is very noticeable. The car is much flatter in sharp corners. I would recommend one

1970 Plymouth Road Runner - This car was a street racer, but I'm slowly converting it over to a long distance cruiser. The car has a stock front suspension & super stock leaf springs with 2" lowering blocks (to make car level) in the back. I'm still running the original torsion bars. They...

I'm getting ready to replace my tie rod ends, idler arm & pitman arm. I think I saw someplace that you can use C-body tie rod ends with C-body tie rod "sleeves". Is that right? Is there any advantage to doing this? Are there any C-body tie rod "sleeves" that are the right length for a '70...

What are the stock specifications for caster/camber/toe for a 70 Roadrunner? My shop says their records only go back to '79 or something like that. I'm using this car as a long-distance cruiser, so if anyone has suggestions for something slightly different than the stock specifications, please...

I'm wondering what the diameter is of the original front sway bar on my 70 Roadrunner? I'd like to replace both the center bushings & the end link bushings with polyurethane ones. Whose parts should I be looking at and where do I buy them from? I do seem to remember years ago getting Energy...

I've got a '70 Roadrunner and I would like to upgrade the factory front sway bar. Any suggestions? I've looked at Addco, Helwig & PST (advertiser on this site). This is street driven car & I'm just trying to get it to corner a little flatter on off ramps. THANKS! EDIT: I do have a factory...

I replaced the entire brake system except the rear drums/shoes since they've got 70% meat left on them and no leaks or broken parts. New master cylinder, brake booster, distribution block (s), brake lines, front rotors/calipers/pads, new '70 OEM brake warning light sensor...the works. Now my...

I've been trying to run down a soft brake pedal issue & I'm looking at my master cylinder. My car is originally a 383 4spd power front disc brake car. The brake lines going to the master cylinder come in on the fender side (not the engine side). I've been using the "hemi" master cylinder...

I had a leak in/near my brake warning switch (sensor) in my '70 Road Runner power disc front/drum rear car. I replaced it with a real New-Old-Stock part & a year later it's leaking again. I'm pretty sure it's the O-rings that are failing. I seem to recall that the O-rings are a little "flat"...

Does anyone know a good trick to re-connect the brake pedal linkage to the back of a brake booster? My car is a 70 Roadrunner with power disc/drum. I did this job once before and remember it was a major PIA...and it still is. I was "barely" able to get the booster/bracket bolt out to remove...

Ok, this is maybe a stupid question.... I have a new aftermarket '70 disc brake booster & master cylinder. It "looks" like the rod on the brake booster that pushes into the back of the master cylinder is slightly adjustable. Is there a particular "clearance" or "free pedal" I should have...

I had a brake issue YIKES!!! and I decided to get a new master cylinder & brake booster for my '70 Roadrunner power front disc/rear drum car. My original booster went out back in 1990 and I replaced it with one from a power drum/drum brake car since that was all that was available at the time...

I have a 70 Road Runner factory power disc brake car & I did a conversion to 1-piece rotors ('73 Road Runner I think) using '76 Duster spindles about 20 yrs. ago, so I don't remember everything I did & now I'm redoing the front brakes. The problem I have is that it looks like I need the...