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> Brembo cable actuated parking brake.., hmmm...wonder what these cost?? :)
andys
post Feb 1 2005, 01:21 PM
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QUOTE (Mueller @ Feb 1 2005, 10:22 AM)
[QUOTE=BigD9146gt,Feb 1 2005, 10:15 AM]

The problem with the Wilwood Spot calipers is that they are only for a .38" width rotor, so if you want to use it outboard on vented rotors, you'll have to open it up and make custom spacers....adding to the cost of the conversion.....

Spacers pretty easy to do on the Wilwood spot. Also, Rennegade Hybrids was making a spot caliper to fit a 914....I said WAS, as I couldn't find it anywhere on their site. There were some pic's of it floating around sometime back. Perhaps contact RH?

Andy
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cdmcse
post Feb 1 2005, 01:27 PM
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Anybody know the width of a vented rotor and tolerances off the top of thier head?
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BigD9146gt
post Feb 1 2005, 01:31 PM
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cdmcse, the early-SC (late 60?-83) vented is 20mm thick and the Carrera (84-89) is 24mm thick. The solid i'd have to guess on (10- 12mm?)
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Aaron Cox
post Feb 1 2005, 01:34 PM
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inboard spot caliper idea rocks. arent 911 cv/axle setups shorter anyway? kill 2 birds with one stone. stronger axles with an ADAPTER/E BRAKE ROTOR would be fricken sweet.

where would you mount the caliper on the tranny??? braket from where?
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andys
post Feb 1 2005, 01:40 PM
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QUOTE (Aaron Cox @ Feb 1 2005, 11:34 AM)
inboard spot caliper idea rocks. arent 911 cv/axle setups shorter anyway? kill 2 birds with one stone. stronger axles with an ADAPTER/E BRAKE ROTOR would be fricken sweet.

where would you mount the caliper on the tranny??? braket from where?

I like it too, but wouldn't you need a caliper on BOTH sides?

Andy
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BigD9146gt
post Feb 1 2005, 01:43 PM
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EDIT: Bondo is right, the 911's are shorter than the 914... my bad.

Although it really is a great idea (the 60's-70's XKE jags had them inboard next to the diff), mounting would be your biggest hurdle. And on a minor side note, your adding more rotating mass.

If a mechanical brake kit costed $200 (just a straigh bolt on for both sides), would people even be interested? One off's are great and all, but for those who have this stuff on the drawing board, its gotta make sence ($$$). I agree some things are way over priced, but those who make this kind of stuff gotta pay bills too.
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Aaron Cox
post Feb 1 2005, 01:43 PM
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QUOTE (andys @ Feb 1 2005, 12:40 PM)
QUOTE (Aaron Cox @ Feb 1 2005, 11:34 AM)
inboard spot caliper idea rocks. arent 911 cv/axle setups shorter anyway? kill 2 birds with one stone. stronger axles with an ADAPTER/E BRAKE ROTOR  would be fricken sweet.

where would you mount the caliper on the tranny??? braket from where?

I like it too, but wouldn't you need a caliper on BOTH sides?

Andy

sure... why not? or.... would one side work?
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Aaron Cox
post Feb 1 2005, 01:45 PM
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QUOTE (BigD9146gt @ Feb 1 2005, 12:43 PM)
Aaron, i'm 99.9% sure that they arn't shorter than the 914 axles. Although it really is a great idea (the 60's-70's XKE jags had them inboard next to the diff), mounting would be your biggest hurdle. And on a minor side note, your adding more rotating mass.

If a mechanical brake kit costed $200 (just a straigh bolt on and go, would people even be interested? One off's are great and all, but for those who have this stuff on the drawing board, its gotta make sence ($$$). I agree some things are way over priced, but those who make this kind of stuff gotta pay bills too.

don,

i thought to run 911 axles, you needed a spacer (thus- the axles is shorter IIRC), if you could integrate this rotor into that spacer... you get beefier/newer CV's/Axles and a better parking brake.

also... 150 -200 for a truely bolt on kit would be cool (cables/calipers/rotor\spacer/ mounting plates)
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BigD9146gt
post Feb 1 2005, 01:46 PM
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You don't absolutly need it on both sides, but as a kit, I think it would be more popular to everyone. But you could just supply one side for those who don't care about having two.
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Aaron Cox
post Feb 1 2005, 01:48 PM
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QUOTE (BigD9146gt @ Feb 1 2005, 12:46 PM)
You don't absolutly need it on both sides, but as a kit, I think it would be more popular to everyone. But you could just supply one side for those who don't care about having two.

got me thinking too... maybe on the other side that doesnt have a clutch cable setup on it.... (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif)


BTW- my dad had an XKE with the cool inboard brakes (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)
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bondo
post Feb 1 2005, 01:49 PM
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QUOTE (Aaron Cox @ Feb 1 2005, 12:45 PM)


i thought to run 911 axles, you needed a spacer (thus- the axles is shorter IIRC), if you could integrate this rotor into that spacer... you get beefier/newer CV's/Axles and a better parking brake.

Yup they be shorter. I have a set. Spacers/adapters are probably .75 to 1 inch thick each (one on each end, 4 total)
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andys
post Feb 1 2005, 02:24 PM
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QUOTE (Aaron Cox @ Feb 1 2005, 11:45 AM)

also... 150 -200 for a truely bolt on kit would be cool (cables/calipers/rotor\spacer/ mounting plates)

The Wilwood spot calipers alone are about $60 each (consumer price). Add cost of rotors, cables, custom brackets. Even at dealer prices, you'd go broke selling them for $150.

Andy
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scooter311
post Feb 1 2005, 02:36 PM
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SteveSr got me thinking (there I go working without tools again):

Some ATV's have mechanical disc brakes (Yamaha Blaster I think for example), and also the rears on larger ATVs (my 400EX Honda) has a hydraulic/mechanical setup that is much beefier. As a matter of fact, the mechanical portion of it is just an actuating arm and long cable that runs up to the clutch lever. It works independantly of the hydraulic system, and is a simple design. Most guys even remove it completely because they never use it.

The caliper itself doens't look much different from the Brembo one, and can be had from any ATV salvage joint cheaply, as well as the rotor. It would seem only a spacer would have to be fabbed up somehow.

BUT, I'm a doofus, and that was just a doofus idea, and maybe someone else knows what I'm talking about and say "Hey, I know what he's talking about.."


(IMG:http://www.914world.com/bbs2/html/emoticons/rolleyes.gif)
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SteveSr
post Feb 1 2005, 02:45 PM
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QUOTE (scooter311 @ Feb 1 2005, 12:36 PM)
.BUT, I'm a doofus, and that was just a doofus idea,



No scooter311, I think it would work. After I posted that I was talking to some ATV riders here at work and they said the same thing. The older ATVs had mechanical disc brakes on the back. I don't know if they would be powerful enough to be used as an e-brake,but would definatly work as a parking brake.

SteveSr
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Aaron Cox
post Feb 1 2005, 07:38 PM
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here is my brainstorm i had while in calculus class.....

mount the caliper so that the pads can be changed from underneath the car.... (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif)


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redshift
post Feb 1 2005, 07:45 PM
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QUOTE (Mueller @ Jan 31 2005, 11:56 PM)
Doing some "surf'n" and came across these being installed on an Audi A4

I never knew that they made a parking brake caliper...

Is that thing giving birth to that other thing? Do doctors work on Audis?

(IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)

M
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iiibdsiil
post Feb 1 2005, 07:47 PM
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Wow, that is pretty well thought out and looks like it would work.
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Aaron Cox
post Feb 1 2005, 07:49 PM
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QUOTE (iiibdsiil @ Feb 1 2005, 06:47 PM)
Wow, that is pretty well thought out and looks like it would work.

i r not dooing math when I r supposed too..... (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

anything is possible on paper.... this looks pretty simple....
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bondo
post Feb 1 2005, 07:53 PM
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That looks pretty much like my plan for mounting the VSS (vehicle speed sensor) for my LT1 conversion. The rotor would be replaced with a custom toothed wheel, and the caliper would be replaced with the VSS.
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BIGKAT_83
post Feb 1 2005, 08:37 PM
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Wilwood also makes a drum brake setup like the 911 ebrake.
I looked at using a motorcycle disk on the transaxle flange with some kind of spot caliber a couple of years ago,but gave up on the idea. Not much room to work with.
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