 911 hand brake install on 914, best caliper ?, |
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| rgalla9146 |
 Aug 21 2024, 06:01 PM
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Advanced Member  Group: Members Posts: 4,743 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None 
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I'm installing 911 emergency brakes on my 914 trailing arms.
What is the best rear caliper to go with ? Must be compatible (piston size) with S alloy fronts and 19mm master. Must have supply and bleeder in correct orientation and vented 911 rotor compatible. Is there a suitable alloy caliper available ? Help / suggestion is appreciated. Rory |
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| 914Sixer |
Aug 21 2024, 06:19 PM
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914 Guru Group: Members Posts: 9,123 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Tangerine Racing has all the hardware. Use 911 M rear calipers 69- for vented rotors.
Check PMB, they have Willwood rear caliper set up and separate hand brake caliper in vendor section |
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| mepstein |
Aug 21 2024, 06:27 PM
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914-6 GT in waiting Group: Members Posts: 19,876 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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Porsche used S calipers front and M calipers rear on the early turbos. I haven't come across an alloy caliper that works (fit, price, etc) as well as a rear M caliper. Sure it cost you a couple pounds but it will easily bolt on and work, at least until you find something better.
Are you using a center mounted 911 e-brake lever? |
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| Montreal914 |
Aug 21 2024, 08:44 PM
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Senior Member Group: Members Posts: 1,818 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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S alloy front are the same piston size as M front, i.e. 48mm.
I guess the balaced option for the rear would be 914-6 rears which are 38mm? (IMG:style_emoticons/default/confused24.gif) All of which is compatible with the 19mm MC. Agreed 914-6 rears are unobtanium but PMB has replicas now (IMG:style_emoticons/default/smile.gif) : https://pmbperformance.com/products/pmbs-re...4-6-or-914-6-gt When you cost all of it, might be easier just to put on 914-6 replicas. He even offers them with the spacers for a GT version (vented rotors). Now, to find GT rotors... (IMG:style_emoticons/default/icon8.gif) |
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| Steve |
Aug 21 2024, 10:09 PM
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#5
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914 Guru Group: Members Posts: 5,857 Joined: 14-June 03 From: Laguna Niguel, CA Member No.: 822 Region Association: Southern California
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I know you like the S calipers, but I’m glad I dumped them and went with front and rear Boxster brakes. More modern, much cheaper and better braking. They work great with a 19mm master cylinder. I am also running the 911 E brake.
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| Jack Standz |
Aug 21 2024, 11:17 PM
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#6
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Member Group: Members Posts: 490 Joined: 15-November 19 From: Happy Place (& surrounding area) Member No.: 23,644 Region Association: None
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QUOTE(rgalla9146 @ Aug 22 2024, 07:01 AM)  I'm installing 911 emergency brakes on my 914 trailing arms. What is the best rear caliper to go with ? Must be compatible (piston size) with S alloy fronts and 19mm master. Must have supply and bleeder in correct orientation and vented 911 rotor compatible. Is there a suitable alloy caliper available ? Help / suggestion is appreciated. Rory In the process of doing the exact same thing. PMB restored S calipers up front, but do not have a solution for alloy rear calipers. But, that doesn't really matter because the rotors from the 911 are heavier anyway. In other words, any weight you would save with rear alloy calipers, you would lose with the heavier rotors. So, if you're looking to save weight, keep the 914 brakes. |
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| rgalla9146 |
Aug 22 2024, 05:33 AM
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#7
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Advanced Member Group: Members Posts: 4,743 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None
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Thanks for all the replies. I'm installing the 911 ebrakes for a simple reason. My headers are much wider than stock heat exchangers and the stock ebrake cables can not be held away from the hot tubes. With the 911 ebakes the cables can be repositioned. I'll post pics as it comes together. I do have M calipers and will use them. I was hoping there might be some suitable little known alloy rears. Different subject. Does anyone have a pair of PMB alloy 914 6 rears for sale ? I'd like them for another project and do have stock 6 rears for bait. |
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