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Brake conversion ?????

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Old 06-25-2001, 12:20 AM
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Mike B
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Angry Brake conversion ?????

The saga continues...In the middle of the coversion from disc/drum to 4 disc. The donor car is an '80 931. My question is the m471 plumbing (brake lines) the same as the '78 924? Do I have to change lines to adapt to the '80 master cylinder. I know the '78 and '80 master cylinders have the same diameters for front and rear as opposed to the 944 which is stepped at 23/19 mm and requires "X" plumbing for front and rear.

I believe I can use the same lines and just plug the clutch port.

What do you think....

Mike
Old 07-03-2001, 10:56 PM
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Mike B
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Geeez...somebody must know...Pretty please....Vaughan?????
Old 07-04-2001, 01:10 AM
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Jon F
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The brake lines are the same. Use the master cylinder off of the 931, or an '80 924 n/a (they are the same part). The '81-up m/c doesn't have the brake switch. The swap is pretty easy. Good luck! I did the conversion on an '80 n/a.
Old 07-04-2001, 08:40 AM
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Mike B
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Just the answer I was looking for...Thanks Jon
Old 07-04-2001, 04:46 PM
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924RACR
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Yeah, sorry, the reason I didn't respond is that I have one genuine M471 car, and one I converted using a 944 MC, so didn't know...

Sorry,

Vaughan
Old 07-04-2001, 08:34 PM
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Mike B
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No apoligy necessary but I appreciate the reply...

Mike,



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