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Join Date: Oct 2001
Location: Theodore, AL, USA
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Front calipers on rear?

Hey all-
I recently replaced my front calipers with rebuilt units. Braking is much nicer now, it used to pull hard to the left.....
I have rebuild kits for the calipers I took off. Is there any reason not to use them on the rear? Both of my rear calipers leak a bit around the E-brake shaft, I have no E-brake and don't miss it. I would rather rebuild the front calipers and put them on the back if it would be all right.

I am also missing one of the little plates that goes between the pad and the piston and a full set of pins. Does any one know where I can get these?

Thanks for any help....

Karl P
Old 12-17-2004, 07:40 AM
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Karl, what year is your 914? Yes, the fronts will fit on the back, BUT certain years had different offsets. I can't remember off the top of my head which. I'll get back to you.

Another issue is now adjusting the brake bias. You do not want the rears to lock up before the fronts.... I might solve that problem by putting sportier pads on the front and stock on the back. When the fronts will have more bite when they heat up, they will grab more than the rears. It is a liablity though, so be carefull
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Old 12-17-2004, 07:48 AM
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It is a '74

Years ago, in my younger drunken days, I had a Dodge Aspen that had a leaky brake line before the split for the fronts. Thinking that two working brakes was better than none, I clamped off the line so that all I had was rear brakes.
Interesting way to drive around. My sphincter would tighten any time I saw the color red.
Old 12-17-2004, 07:54 AM
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70-72 had the "early" offset in the caliper & rotor & mounting lugs; 72-76 had the "late" offset. The change was in the middle of the 72 model year.

You can install an aftermarket adjustable proportioning valve and set it up so that the rears never lock before the fronts. Probably a better way to do that than mixing pad compounds.

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Old 12-17-2004, 09:39 AM
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The stock proportioning valve is there. Is there enough adjustability to it? Probably not or you would not have suggested an aftermarket one.

I'm guessing the caliper will bolt right up. Any thoughts on where to get pins and plates?
Perhaps I should call 1-888-280-7799. I hear they are pretty good with old Porsche parts.
Old 12-17-2004, 10:30 AM
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Karl,

I don't think your 74 fronts will bolt up..
the alignment will be wrong to fit over the rotor...
I think its the early (70-72) fronts that bolt up with only 1/16th needed...

someone will correct me if I'm wrong..
sorry.

brant
Old 12-18-2004, 10:20 AM
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