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Will this Disk Brake Conversion work for my car? https://slantsix.org/forum/viewtopic.php?t=15677 |
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Author: | Hyper'72Valiant [ Sat Jan 07, 2006 5:18 pm ] |
Post subject: | Will this Disk Brake Conversion work for my car? |
Will this conversion work for my car? My car is a 1972 Valiant with what I believe to be 9" drums. I am not sure if this conversion will work. The seller doesn't know much about it, he's just selling it. Here is a link:http://cgi.ebay.com/ebaymotors/ws/eBayI ... AMEWA%3AIT Cory |
Author: | dakight [ Sat Jan 07, 2006 5:30 pm ] |
Post subject: | |
That isn't the part number that wilwood lists for your Valiant and I can't find the part number on their site nor is it listed at Summit Racing. You could call Wilwood and ask them about it. |
Author: | relic-lover [ Sat Jan 07, 2006 7:57 pm ] |
Post subject: | Disk vs drum spindle |
Looks to me like that kit is for a car with disk brake spindles. The 9 inch drums have different spindles and different wheel bearings than the discs - My best guess is it will NOT fit. |
Author: | Reed [ Sat Jan 07, 2006 9:22 pm ] |
Post subject: | |
Something else to consider is the availabilty of repair parts for the Wilwood kit. |
Author: | Hyper'72Valiant [ Sat Jan 07, 2006 10:29 pm ] |
Post subject: | |
I emailed him and he said that it was a discontinued part. ![]() Cory |
Author: | james longhurst [ Sun Jan 08, 2006 7:42 am ] |
Post subject: | |
cory- your car looks like a nice driver. keep away from aluminum hubs if you plan on a lot of street driving. this setup looks nice for a racecar that won't see a lot of speed humps or potholes. for the money you could buy a later a-body with discs and have everything you need for a disc brake/LBP swap. -james |
Author: | Hyper'72Valiant [ Sun Jan 08, 2006 10:44 pm ] |
Post subject: | |
Ok. Thanks for the quick replies guys. I will look into another Disk Brake Conversion from a later vehicle. Oh and why avoid aluminum hubs? This car right now is my daily. Cory |
Author: | gmader [ Mon Jan 09, 2006 8:15 am ] |
Post subject: | |
I talked to Andy F about running Wilwood calipers on a street car. He strongly recommended against it, due to the lack of seals and protection on their racy bits. Additionally, I would note that the rotor thickness was pretty scanty for a street car. I would be concerned about warpage. It looks like a great setup for a drag race car. |
Author: | andyf [ Wed Jan 11, 2006 11:17 am ] |
Post subject: | |
For a daily driver, low budget, street car I'll always recommend the factory setup from the '73 or newer A body cars. The late model A body setup bolts on, is cheap to acquire and repair, and works. I sell a bolt on Wilwood kit but I wouldn't ever recommend it for a daily driver. Some race car parts work on daily drivers but most of them don't. |
Author: | Hyper'72Valiant [ Thu Jan 12, 2006 10:01 pm ] |
Post subject: | |
Ok, Wilwood is out then if I can't use them on my daily driver. I need these brakes to be reliable. I will do some searching in the "archives" for the parts that I will need from a later a body to transfer to my car. Thanks guys. Cory |
Author: | dookdart [ Mon Jan 16, 2006 4:29 pm ] |
Post subject: | |
I've done 3 conversions from a pre-73 drum to a post 73 A body disk brake. Its easy, good and cost effective. The weak link in your 72 is the mall upper ball joint. The 73 and up use a larger ball joint, less prone to breaking. From a 73 to 76 A body, you will need: UCAs, spindles, dust shields (optional), caliper brackets (I like the 10.87" 'cause you can use 14" wheels), calipers, rotors, proportioning valve, hoses and drum/disk master cylinder. The only parts not avail. over the counter are the spindles, UCAs, prop valve, caliper brackets. I used remanufactured stuff for all the rest of the parts. You most certainly use FJM spindles (although some say no...but they're wrong). This conversions should cost you less than $450 total. Good luck. Mike |
Author: | Matt Cramer [ Tue Jan 17, 2006 7:11 am ] |
Post subject: | |
The next step up from late A-body discs is to use the '75 and later B-body rotors, which are nearly 12" in diameter. There's a number of articles on how to do this conversion, which is not much more expensive but does require 15" or larger wheels. There's a couple articles online about how to do this. Mopar Action - believed to have invented this swap. Big Block Dart - note that they take the other side in the Great Spindle Controversy, and I find their arguements quite convincing. Here's one I wrote - it was originally illustrated, but a server update wiped out the photos. |
Author: | Hyper'72Valiant [ Wed Jan 18, 2006 12:05 am ] |
Post subject: | |
You guys are great!!! Thanks for all of the info. I will look into the conversion. Cory |
Author: | stolan83 [ Wed Jan 25, 2006 6:26 pm ] |
Post subject: | |
I am in the same boat. The wilwod kit is nice but is not streetable. The clapper will clog up with dust and lock up on you. The benne that you have is that you have the big bolt pattern Doc Mopar normally has the part for the conversion for about 400 bucks |
Author: | Hyper'72Valiant [ Sat Mar 18, 2006 11:56 pm ] |
Post subject: | |
I need a disk brake MC and I am not sure what bore size I have? I think it is 1 1/32". Does anybody know what size I need. I am just doing a conversion from a '73-'76 A body onto my '72 Valiant. Cory |
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