I would suggest getting bigger front brakes first.....
The rears work good enough for now, as I think you have figured out, going backwards......
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| ABS on a '74 Duster ...? https://slantsix.org/forum/viewtopic.php?t=12060 |
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| Author: | DusterMunster [ Thu Mar 03, 2005 10:45 am ] |
| Post subject: | ABS on a '74 Duster ...? |
I had a very bad experience a couple of weeks ago... I was driving on the expressway and all of a sudden a guy changed lanes and cut in at about 5 feet in front of me... I was driving at around 40 mph and had to push the brakes in panic... the road was wet and of course my car did sway... the back of my car ended up perpendicular to my lane and completely obstructing the one on the right. I was lucky that nothing happened. Is it possible to install rear anti-lock brakes to a '74 Duster... and if so, what should be taken in consideration? Thanks, Ed. |
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| Author: | Rust collector [ Thu Mar 03, 2005 10:50 am ] |
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dont know if there is some kind of "bolt on" abs systems, but you can swap the rear cylinders for some with a smaller bore, so the front stays in front... |
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| Author: | kesteb [ Thu Mar 03, 2005 4:15 pm ] |
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The best ABS is located between your ears. Now that you know that your duster is tail happy, you will learn to moderate your brakes. So this situation shouldn't happen again. |
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| Author: | SlantSixDan [ Thu Mar 03, 2005 7:10 pm ] |
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You can't put ABS on the car without a HUGE amount of effort and expense. What you can do is change the rear wheel cylinders, if your rear brakes are 10" drums. Stock wheel cylinder bore size is 15/16". Changing down to the 13/16" bore units fixes premature rear-wheel lockup much more effectively than an adjustable proportioning valve. In fact, this very modification was made by Chrysler starting on the 1962 B-body cars used in police service. |
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| Author: | Craig [ Thu Mar 03, 2005 9:36 pm ] |
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Hmmm... interesting idea SSDdan to change to smaller wheel cylinders in the rear. My '76 Valiant with 4-wheel drum brakes locks the rear wheels causing the tail to come to the front. This started when I changed the front brake shoes. I plan ahead and use the brakes lightly most of the time and the car is used mostly on highway trips so now 8++ years later and 10's of thousands of miles the front shoes are still not completely seated into the drums. That is part of the problem. I also suspect the new brake shoe material may have different friction characteristics than the old shoes I took out. I still have the old shoes. I may have to reinstall them and see how the brakes handle. I know they were really great before the new shoes went in the front. |
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| Author: | DusterMunster [ Fri Mar 04, 2005 10:25 am ] |
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Good advice Dan. My car has front disk brakes and rear drums. I will make the rear conversion to disk soon; how does it change your recommendation of changing down the bore if I make the conversion?, I am not experienced in this field. Thanks, Ed |
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| Author: | Rust collector [ Fri Mar 04, 2005 10:34 am ] |
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I would suggest getting bigger front brakes first..... The rears work good enough for now, as I think you have figured out, going backwards......
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| Author: | DusterMunster [ Fri Mar 04, 2005 10:46 am ] |
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My dearest Rust, you're right. I think I am asking to many stupid questions at once... I should start with the beggining; as we say in Mexico, "You must crawl, befor you walk", I am far from being ready to modify my... "blue thing, whatever it is..."  . First of all I will try to fix the basic engine and learn something from there... Best, Ed |
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| Author: | Rust collector [ Fri Mar 04, 2005 10:54 am ] |
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You just get that thing in good shape, and worry about the "fun" stuff later. That is my suggestion anyway. Sure, there are some upgrades you can do like swapping worn out stuff, with upgraded replacements... |
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| Author: | SlantSixDan [ Fri Mar 04, 2005 1:15 pm ] |
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Quote: Good advice Dan. My car has front disk brakes and rear drums. I will make the rear conversion to disk soon; how does it change your recommendation of changing down the bore if I make the conversion?, I am not experienced in this field
A rear disc system does not have rear wheel cylinders, so the issue becomes moot. Personally, I think if you put the smaller-bore rear cylinders in your drum brakes, you'll be completely satisfied and won't need to install rear discs.
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