[knuggles68RS/SS]

I've searched all the threads but haven't found anything really covering the rear disk brake kit from Right Stuff...I just recieved my rear disc brake conversion kit yesterday and was curious if any body had any problem installing this kit or advice you may have (i.e. hub flange hole, parking brake cable, brake lines)...

Any tips/advice would be greatly appreciated...

Thanks

[stamatisg1977]

I have the kit for my 69 I had no problems installing its a knuckle buster putting the caliper bracket on though


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[knuggles68RS/SS]

Steven,
You had no problems with the parking brake cables that came with the kit? Did you have to shorten the OE brake lines?

Thanks for the reply...

[69 383 tko 5sp]

Mike, I installed this on my 69 with no problems on parking brake cables and I am using the OE cables. My only issue is with the caliper flex line to axle hardline connection. The flex hose is too long or the hardline is too long...will probably cut the hardline back.

[knuggles68RS/SS]

Originally Posted by 69 383 tko 5sp

Mike, I installed this on my 69 with no problems on parking brake cables and I am using the OE cables. My only issue is with the caliper flex line to axle hardline connection. The flex hose is too long or the hardline is too long...will probably cut the hardline back.

Thanks for the reply...

[stamatisg1977]

Idk. I haven't installed them yet. My car is still being restored. But I'm pretty sure if the flex lines are too long you can get shorter ones since pretty much all of the ends are the same


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[69 383 tko 5sp]

yeah thats the other option. The end of the hardline lines up with my axle U bolt so I may just keep the longer flex lines. Thanks.

[knuggles68RS/SS]

If I have to cut the brake lines I will...It's been a while since I've done a double flare. Thanks

[Red Rocker]

Mike..you may have to machine down the flange on the axles so the rotors will fit. Also you may need longer axle studs.
CPP makes clamp on brackets for the flex line to hard line connection. http://www.classicperform.com/Store/...Cars/RBHTK.htm
E-brakes must be adjusted before bleeding the rear calipers.
Search around,there's a lot of info on this.
Good luck with your conversion. I used this on my car and it was really not that hard.
Here's some photos..sorry their so big but I was in a hurry!

[knuggles68RS/SS]

Thanks Bob,
I just ordered the clamp brackets, looks like I'll need them...I have read about the axle flange and I'm hoping there isn't a fitment problem...If there is then I'll do a little grinding on the flange...the E-brake was good info....

Thanks again Bob

[knuggles68RS/SS]

I completed installation of the rear disc brake conversion kit from Right Stuff this past weekend and this is what I came across...

1. The rotor's would not seat all the way down on the axle flange...The rotors went on about half way down the flange...I had to grind/shave the rest of the flange to get the rotor's to sit flush on the axle...

2. I pulled the diff cover off to remove the C clips...After I removed the carrier pin I was able push the driver side axle in far enough to remove C clip...The passenger side axle would not go in far enough to remove the C clip...I had to tap on the axle flange with a hammer before I was able to remove C clip...Removed old backing plates...

3. Reinstalled axles, C clips, carrier pin then put diff cover back on with no issues...

4. Installed caliper brackets...The instructions state "start by using the 1/4" spacer"...I did not need any of the spacers that came with the kit...By using only the bracket I was able to install the calipers/brake pads over the rotor's with no issues...

5. I had to cut the brake lines on both sides by about 8" to install the flex brake lines provided with the kit...Did not use the brake line tabs that were provided with the kit because that requires tack welding on the diff, so I purchased the rear brake hose tab kit recommended by "Red Rocker"...You can find that part number on Red Rockers post...The brakes are clamped on and they worked like a champ...Thanks for the tip Red Rocker!!!!!

6. Purchased new 3/16" stainless steel brake lines and custom fit them from the distribution block to the clamped brackets...

7. The long parking brake cable provided with kit goes on the driver side...

8. Adjusted parking brake by operating the parking brake lever several times until rotor's would not rotate. Then bleed the brakes and install the tires...

After everthing was completed I went for a test drive and I couldn't be more thrilled with the braking improvement...

[Red Rocker]

Glad it all worked out for you Mike.

[Toads69]

I just finished the install as well on a moser 12 bolt. I had to get the caliper brackets milled an extra 1/16" because the pads marginally cleared the outside of the rotors (no spacers). They were extremely tight so the caliper wouldn't sit down completely over the rotor. I am not sure what caused this perhaps the flange is a bit thicker than stock. also had to champfer the inside of the caliper.
I went with the rear disc brake lines from Matts, They fit right on with some minor tweaking and no problem with the tabs clearing the u joints (just make sure you don't weld them inside of the spring mounts). The disc hard lines can be adjusted enough to keep the tabs clear.
All else went very well and as above the install was relatively easy.
one other thing - As Steven mentioned above the bolts to hold the calipers on are a bit of a pain. I replaced the hardware with grade 8 bolts and lock nuts and shortened them 1/2 inch.

[davidpozzi]

Another good thing to check out is axle end play. Do this before installing any rear brake kit. Excessive end play will cause the pedal to drop after hard cornering. Positraction diffs have less end play, open diffs have a lot of end play. Shims can be placed between the "C" clip and side gear to shim it inward towards the center pin. Valve spring shims are a good source.
David

[Toads69]

Originally Posted by davidpozzi

Another good thing to check out is axle end play. Do this before installing any rear brake kit. Excessive end play will cause the pedal to drop after hard cornering. Positraction diffs have less end play, open diffs have a lot of end play. Shims can be placed between the "C" clip and side gear to shim it inward towards the center pin. Valve spring shims are a good source.
David

How much end play is acceptable on a 12 bolt?