23mm MC plumbing question |
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23mm MC plumbing question |
Qarl |
Jan 30 2004, 11:34 PM
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#21
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Shriveled member Group: Benefactors Posts: 5,233 Joined: 8-February 03 From: Florida Member No.: 271 Region Association: None |
I will be installing a 23mm MC to feed the bigger brakes on the new car. I have heard that their are plumbing issues, and clearance issues when installing the bigger MC.
I'm looking for feedback from those that have done this. Here is a comparison of the new and old MC. I have some questions. 1) Ports 3 and 4 are the front and rear output ports. These correspond (location-wise) to ports 1 and two on the new MC. It seems that I can just transfer the hardware and lines over without any issues. Correct? 2) The locations of the feed lines are different between new and old. Is this going to be a clearance issue? 3) The hydraulic pressure switch (located between ports 3 and 4) does not have a corresponding location on the NEW MC. But there is another output port on the bottom of the MC (underneath port 1) that I can use? Any clearance issus here? 4) Does anyone know what the bolt on the top of the NEW MC is for? (between the red caps)... If I remove it, will a genie come out and grant me 3 wishes? These would be easier to answer if my car body were in the same location as my parts. (hopefully in a couple of weeks!) Thanks! Attached image(s) |
ArtechnikA |
Mar 14 2004, 07:22 AM
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#22
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
QUOTE(john rogers @ Mar 13 2004, 07:24 PM) ...tubes for the fluid supply. I installed them before bolting in the m/c ...had to make a new rod to go into the back of the piston since the stock 914 one was too short... i won't really -know- what's required until i get in there; last time i did this, it was to the 914.6 but this time, it's the 911. installing the feed lines -before- bolting up the MC is definitely the hot setup, having done it the hard way once too... i don't think there will be an issue with bias, this is close to the size the car should have had originally with the aluminum calipers, and there's a significant weight and tire-size bias to the back. early 911's never had proportioner valves and i'm not expecting to need one now. (i do, however, have one on the shelf if required...) i'd heard the bit about the brake pushrod too, and while i've BTDT, i just don't remember doing it. but i did pull the pushrod from the 914.6 last time i was there so i have that one to be pressed into service if required (as everyone says it will be.) i probably ought to measure it real good so i won't have this issue the next time :-) |
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