 Why....?, Brake pressure regulator |
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| Speedo |
 May 11 2021, 11:57 AM
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Senior Member  Group: Members Posts: 529 Joined: 7-November 06 From: Boulder Member No.: 7,170 Region Association: Rocky Mountains 
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I took apart my brake pressure regulator to clean and restore it before re-installing on my 6. Got me wondering why the 914s have these and the 911s don't? I assume (probably incorrectly) that based on the design, the regulator attempts to keep pressure in the rear half of the system. Kind of like the water pressure tank in my basement. It keeps water pressure in the system at all times without demanding the well pump become operational.
Just wonder why the 911s don't incorporate these? Maybe it is because the 914s are a whopping 2 inches longer and a device is required so that the rear pressure doesn't drop as a result of being so far from the reservoir? Or is it because of the design of the dual purpose 914 rear brakes (ebrakes and disc)? |
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Posts in this topic
Speedo Why....? May 11 2021, 11:57 AM
GregAmy The brake valve on the firewall is a "knee va... May 11 2021, 12:08 PM
Superhawk996
Why doesn't the 911 have one? Purely a guess... May 11 2021, 12:54 PM brant agreed....
the rear lump of weight in a 911 creat... May 11 2021, 12:19 PM Superhawk996
I assume (probably incorrectly) that based on the... May 11 2021, 01:00 PM 914e
I assume (probably incorrectly) that based on th... May 24 2021, 10:02 PM Superhawk996
Am I reading the graph correctly a six knees at ... May 25 2021, 06:00 AM 914e
Am I reading the graph correctly a six knees at... May 28 2021, 12:00 AM Superhawk996
Where it gets challenging, is introducing brakin... May 28 2021, 07:02 AM Chris914n6 911s have one, it's just normal size and not a... May 11 2021, 01:37 PM Speedo Well there you have it! Thanks guys. It was pr... May 11 2021, 01:45 PM Superhawk996
Well there you have it! Thanks guys. It was p... May 11 2021, 02:17 PM bbrock ABS ahead of its time :naughty: May 11 2021, 05:51 PM windforfun Consider the sticker price of a "73 1.7.....
... May 12 2021, 06:18 PM Rob-O Not anti-lock brakes. It just ensured that the fr... May 13 2021, 03:51 PM bbrock
Not anti-lock brakes. It just ensured that the f... May 13 2021, 05:02 PM Superhawk996
:rotfl: I just said that to get under [b]@[url... May 13 2021, 06:12 PM PanelBilly Just another reason to love these cars. May 13 2021, 08:35 PM kanata914 On my 72 914 1.7, I have the 320i front calipers w... May 14 2021, 06:24 AM GregAmy These types of valves are very common in pre-ABS c... May 14 2021, 06:35 AM bbrock
These types of valves are very common in pre-ABS ... May 14 2021, 08:22 AM Superhawk996
Not cool like a 914 with ABS, but still neat :D
... May 14 2021, 09:40 AM ClayPerrine I will say this....
I have Boxster brakes on my c... May 25 2021, 09:51 AM Superhawk996
I will say this....
I have Boxster brakes on my ... May 25 2021, 01:26 PM 914_teener
I will say this....
I have Boxster brakes on my... May 25 2021, 04:28 PM ClayPerrine
[quote name='Superhawk996' post='2918454' date='M... May 26 2021, 05:47 AM brant I highly recommend getting 2 friends in a parking ... May 25 2021, 10:23 AM Superhawk996
I highly recommend getting 2 friends in a parking... May 25 2021, 01:34 PM brant I agree.. its just a start.
I tune my proportioni... May 25 2021, 04:03 PM ClayPerrine http://www.914world.com/bbs2/uploads_offsite/i.gif... May 28 2021, 10:33 PM Superhawk996
http://www.914world.com/bbs2/uploads_offsite/i.gi... May 29 2021, 09:37 AM ClayPerrine
[quote name='ClayPerrine' post='2919248' date='Ma... May 29 2021, 10:56 PM  |
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