Slant Six Forum :: The great superbrake debate

As things are now I have 215 60's and I can stand on the brakes with both feet and just barely get the fronts to lock up. With more tire I'll never use it all without more brakes. I spend an hour a day in vehicular combat just trying to get to work.

The 5 freeway in LA is one of the worst in the world. What I really need is a Bradley. If I leave a car length between me and the car in front of me at 80 mph somebody is trying to squeeze into it. It's also the major corridor for trucks leaving the docks in Long Beach headed north and the "Ricers" drive like they've gotta get to the front of the line. I outta be driving something with 75 airbags but I won't. I like my car just fine thank you very much.

Thanks for hearing me rant. I feel better now. Really, I'm OK

Mike Andreas

Believe me, without a rear proportioning valve the car would be un-drivable. I have the rear turned way down since moving up to 10" x 1.75" rear drums. They still want to lock first. I should experiment with cylinder sizes.

We hit an elk a few years back in the Valiant at 110km/hr. Got the car fixed and went disc.

Here is the Porsche caliper setup hung on a Mopar A body knuckle using a custom hub and a giant 13.5 inch Baer rotor.

Author:	Mike Andreas [ Mon May 03, 2004 3:59 pm ]
Post subject:	Man, An Elk?
Wow. That stinks. All I see are ladders and the ocassional sofa on the freeway. Mike

Author:	kesteb [ Mon May 03, 2004 4:52 pm ]
Post subject:
I vote for factory stock. I am using '75 Dart 11" rotors with sliding calibers, '75 Dart factory 10x2.5" rear drums, an '80 Volare aluminum master cylinder and a '73 Dart prop. valve. With regular part store replacement pads and shoes. Very smooth, very even braking. For increased rear brake effectivness, use F-body station wagon drums. Those drums have fins for better cooling.

Author:	steponmebbbboom [ Mon May 03, 2004 6:09 pm ]
Post subject:
Disco edition?

Author:	Matt Cramer [ Mon May 03, 2004 6:46 pm ]
Post subject:	Re: Stopping Power vs Fire Power
Quote: As things are now I have 215 60's and I can stand on the brakes with both feet and just barely get the fronts to lock up. With more tire I'll never use it all without more brakes. I spend an hour a day in vehicular combat just trying to get to work. Hmmm, stock Mopar brakes aren't supposed to work that way. I have no trouble locking the brakes in my Dart one-footed with no power assist. Right now I haven't adjusted the proportioning valve and the rear is locking first - got to fix that, since the last time I tried to do a panic stop I very nearly did a tail-out slide worthy of "Initial D." Quote: The 5 freeway in LA is one of the worst in the world. What I really need is a Bradley. If I leave a car length between me and the car in front of me at 80 mph somebody is trying to squeeze into it. It's also the major corridor for trucks leaving the docks in Long Beach headed north and the "Ricers" drive like they've gotta get to the front of the line. I outta be driving something with 75 airbags but I won't. I like my car just fine thank you very much. Thanks for hearing me rant. I feel better now. Really, I'm OK Mike Andreas Well, one temporary solution is to remove some of your trim and paint the car with several mismatched shade of primer (or maybe something water-based that you can wash it off at any time). Back when my Dart looked that way, everyone gave it a very wide berth. The sight of a sixteen foot A-body with obvious collision damage and a "If you don't like the way I drive, stay off the sidewalk" sticker on the front bumper barreling down on people sure got results. Then I got it painted and removed that bumper sticker, and hadn't driven it for more than a few months before I literally get run off the road by somebody in a moving van. Sometimes I'm not sure if looking decent is worth losing the intimidation you get when your car looks like it has killed before and might do so again.

Author:	sandy in BC [ Mon May 03, 2004 6:55 pm ]
Post subject:
Disco Edition = Seafoam Green with Paisly upholstery and vinyl roof, fake wire wheels , 4 door , slant 6 and every option except handling or performance or sound system or anything else you might actually use. Every single smog item ever invented dumping into a muffler that would quiet a race hemi. You get the picture. Disco Edition = Donor car! Thank Gawd Chryco made them,,,,,who wants to cut a nice car?

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The great superbrake debate https://slantsix.org/forum/viewtopic.php?t=9211	Page 2 of 2

Author:	Dart270 [ Tue May 04, 2004 6:52 am ]
Post subject:
Mike, If you can't lock them up, I suggest getting a small-bore Chrysler aluminum MC (parts store, for '85 Diplomat 15/16" bore, or magnumhp.com). Adapter plate from ARengineering.com or magnumhp.com (same unit) is convenient and works well. Your MC may have too big of a bore to complement the piston area on your KH calipers, hence the hard pedal. My '68 Dart has somewhat of a hard pedal too, and I need to switch it over. Lou

Author:	NCDart [ Tue May 04, 2004 8:33 am ]
Post subject:
What about the kit from Master Power Brakes. It costs less than the aftermarket competitors, includes new upper A-arms and spindles. If I don't convert from 73--76 disk brakes, this is the kit I will use. Has anyone else used this kit? Joe

Author:	Matt Cramer [ Tue May 04, 2004 3:06 pm ]
Post subject:
One other thought - what type of brake pads are you running? You may have something that just doesn't grab well.

Author:	andyf [ Tue May 04, 2004 4:20 pm ]
Post subject:
For a daily driver I can't vote for anything on your list. The setup that Master Power makes is half way decent but it is still only a 11 inch rotor. For a daily driver I just can't see a better system available than the factory 11.75 rotors hung on late model A body knuckles. I'd make it a manual system and leave the drums in the rear. Not too sexy but it is rock solid and works great. Now if you want to step up and run with the big boys give me a call and I'll sell you a Porsche twin turbo caliper and rotor setup that will bolt onto an A body. At 13x1.250 they'll get the job done and then some.

Author:	alienduster [ Sun May 16, 2004 11:45 pm ]
Post subject:
Mike - if you want rear discs for the wow factor...kewl. But the fact is that you don't need them with a good front disc setup, whether A body C body or whatever you decide to use. Get a set of [rather spendy] Praise Dyno shoes and some new drums and you are set for considerably less than a disc conversion. BTW I also live in LA and have the factory disc/drum setup which I refreshed and have no trouble outbraking all SUVs and can hold my own with other modern cars.

Author:	andyf [ Thu Jun 10, 2004 4:20 pm ]
Post subject:
Here is the Porsche caliper setup hung on a Mopar A body knuckle using a custom hub and a giant 13.5 inch Baer rotor.

Author:	'65 Dutch Dart [ Fri Jun 11, 2004 3:15 am ]
Post subject:
Quote: Believe me, without a rear proportioning valve the car would be un-drivable. I have the rear turned way down since moving up to 10" x 1.75" rear drums. They still want to lock first. I should experiment with cylinder sizes. Hey, I have the same, can be quite a nuisance when driving in the rain ( won't be singing then,..) Also have the Kelsey Hayes discbrakes, willwood adjust. prop. valve, some kind of mopar mastercylinder and rear drums. Could you let me know when you find out what solves this? Quote: We hit an elk a few years back in the Valiant at 110km/hr. Got the car fixed and went disc. I know how it feels, I hit an Emu some years back, 100 km/hour, in Western Australia. Luckily i had a bullbar, but it still trashed my radiator. Got that fixed in the desert with some liquidsteel, some washers and a nut & bolt. Not to mention the small wallaby in the Snowy mountains and the big kangaroo in Queensland Quote: Here is the Porsche caliper setup hung on a Mopar A body knuckle using a custom hub and a giant 13.5 inch Baer rotor. I love this stuff! - Back to the subject: If I would do it again, I would get everything from one and the same donorcar! Bit hard over here though.

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