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Board index » All Posts (elwoodp44)




Re: disc brake conversions
#11
Quite a regular
Quite a regular

Mike Dowd
The magic plate looks beautiful. What rotor are you using?

M.

Posted on: 2013/4/28 7:42
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Re: disc brake conversions
#12
Quite a regular
Quite a regular

Mike Dowd
The car is a 6-speed DSG automatic (I love it) and the pads had not been changed since new. The rear discs have 266 mm rotors and I think the fronts are 288 mm. The pads that came off the back were what ever the factory installed on them. Both the rear and front rotors are slightly grooved...I replaced the rear rotors without even trying to grind them to min. thickness.

I expected some wear on the front but they look like very little has worn from them...I didn't measure them, of course. The car has ABS, too. The braking system has functioned flawlessly since day one.

M

Posted on: 2013/4/26 16:45
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Re: disc brake conversions
#13
Quite a regular
Quite a regular

Mike Dowd
James,

I just searched my e-mail 'sent' folder and found some communication with Kanter shipping...regarding the box in which the front end parts were shipped...NOTE: All questions were promptly answered regarding that situation...but I so far found nothing from me to Kanter regarding the brake issues. I'll now go out and see if I can find the Brake Invoice to pin the date down a bit. More later.

Mike

Posted on: 2013/4/26 13:38
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Re: disc brake conversions
#14
Quite a regular
Quite a regular

Mike Dowd
Yes my perplexed status results from seeing more wear on the rear pads than on the front pads. The parking brake is not dragging BTW. Also, I just got some info from another mechanic friend and he stated that he's observed this condition in some cars with discs all-around.

Mike

Posted on: 2013/4/26 13:22
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Re: disc brake conversions
#15
Quite a regular
Quite a regular

Mike Dowd
The kit from Kanter included an adapter sleeve for the inner bearing. I don't have a photo of it, unfortunately. The sleeve portion brought the spindle diameter to the required diameter for the bearing I.D. The sleeve was flanged on the inboard side. This flange butted up against the end of the seal surface diameter and was sandwiched between the bearing and this face. The flange diameter was less than the diameter of the sealing surface...and was about 0.100 thick (I didn't measure it). The flange thickness brought the whole rotor assembly outboard.

Without the thickness of the flange, the rotor would have been located inboard just enough for the seal to engage the sealing surface.

Actually I like the kit. I certainly know a lot more about what's going on with the installation as a result of having to make modifications. If these mods are incorporated on the Mark II version of the kit it should suit anyone's needs.

The basic parts chosen for the kit are robust and more than adequate for this size automobile. The instruction sheet needs to be corrected and enhanced, of course.

I know that my motto has been "Anything worth doing is worth over-doing" but I think I'll leave the rear brakes as drums...at least for the moment.

BTW: At 105,000 miles the rear disc brakes on my '06 VW Jetta TDi just wore down to a point where their replacement was necessary. I replaced the rotors and pads and then took a close look at the front...virtually no wear at all on the pads...and the rotors were not too bad, so I left them alone.

My experience with the Front Disc / Read Drum installations is that the front pads need to be replaced three times for every replacement of the rear shoes so I'm perplexed about this.


Mike

Posted on: 2013/4/26 9:01
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Re: disc brake conversions
#16
Quite a regular
Quite a regular

Mike Dowd
Here are photos of the inner grease seal adapter.

Attach file:



jpg  (131.85 KB)
3651_5179a22a5f7b6.jpg 960X1280 px

jpg  (127.97 KB)
3651_5179a28591413.jpg 1280X960 px

Posted on: 2013/4/25 16:40
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Re: disc brake conversions
#17
Quite a regular
Quite a regular

Mike Dowd
I ordered this kit from Kanter (via Telephone) specifically for a'48 Custom-8. I've e-mailed them about some of the issues but have yet to hear a peep from them.

It is definitely not a bolt on and go kit.

M.

Posted on: 2013/4/25 16:31
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Re: Hi all...new guy here with some transmission questions
#18
Quite a regular
Quite a regular

Mike Dowd
I obtained a very nice adapter from Bob Bendtsen's Speed Gems

http://www.transmissionadaptors.com/index.htm

and plan to use a GM 700 R4 auto overdrive lockup unit behind my 356 Custom-Eight engine. The 'drive-ability' of the car will be improved and I think in the long run the transmission will handle the engine just fine and the highway RPM will be greatly reduced...which will extend the life of the engine quite a bit.

I'm also using the 3.9 rear axle from a donor '48 instead of the 4.1 originally in the car.

Mike

Posted on: 2013/4/25 9:32
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Re: disc brake conversions
#19
Quite a regular
Quite a regular

Mike Dowd
The project is proceeding slowly...I just completed the installation of a 10 kW photovoltaic system on the roof of my workshop...with today's tax structure that's the best investments I've made in a long time. Also, the bearings on my Staber horizontal axis washing machine are making a bit of noise and are going to need to be replaced soon.

Back to the disc brake conversion:

After re-assembling the front end with new parts (from Kanter) I slid the passenger side rotor assembly in place and noted that the inner grease seal didn't quite reach the sealing surface on the spindle. (I'll attach photos later as they are on another non-networked computer).

Sure enough, measurements indicated that the seal was just not going to work. Once again I visited the Dowd Family Ancestral machinist and made aluminum adapters that relocated the seal about 0.300" inboard. I researched the available seals and selected on with a slightly smaller O.D. and now the seal rides where it is supposed to ride.

Next funny event: I adjusted the axle nuts and started to install the dust caps...oh oh...the caps are fine for the smaller nuts of the non-Custom-Eight front ends...but the large nuts used in the Custom-Eight series prevent the supplied cap from fitting properly. I have still not found a replacement for the supplied cap but I have come up with something that will do for the moment.

Yet More: Of course the installation of disc brakes will require the use of a dual chamber master cylinder and the re-plumbing of the brake lines...but the flex lines supplied in the kit do not have the same size fittings as the basic Packard brake system (1/4" tubing, I think). This isn't a big deal as I'll have to fabricate new lines anyway of the right size...but I wish this had been mentioned in the rather sparse documentation.

Still, the installation looks great, so far, and the 12" rotors do fit fine inside the standard wheels.

Mike

Posted on: 2013/4/25 9:13
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Re: disc brake conversions
#20
Quite a regular
Quite a regular

Mike Dowd
John,

I've been moving so slowly on this project I'd be embarrassed to have any blog devoted to it. The engine is back together and lots of minor clean-up items have been completed. Slowing down progress was a trip to Arkansas to visit cousins, a 50th high school reunion in Liberty, Missouri, and construction of a 10 kW photovoltaic system at our place here in New Mexico. That should be completed in a week or so....

See you in Salado. Merry Christmas.

Mike

Posted on: 2012/12/13 19:07
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