Front Calipers on Rear |
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Front Calipers on Rear |
Evill Ed |
Mar 13 2003, 05:59 PM
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#1
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Member Group: Members Posts: 238 Joined: 28-February 03 Member No.: 371 Region Association: None |
Okay, I need to have my memory refreshed here. If I want to put stock 914-4 front calipers, 73-76 type, on the rear, is this a direct bolt on? I know I need to bend up new hard lines or do you need a banjo fitting?
Ed BTW- I know that I will not have a parking brake. |
campbellcj |
Mar 13 2003, 06:05 PM
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#2
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I can't Re Member Group: Members Posts: 4,544 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California |
It's a bolt-on but I think the calipers need to be spaced-over (recentered) a little bit. I can take a pic of mine this weekend if it would help.
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Evill Ed |
Mar 13 2003, 06:12 PM
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#3
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Member Group: Members Posts: 238 Joined: 28-February 03 Member No.: 371 Region Association: None |
QUOTE(campbellcj @ Mar 13 2003, 04:05 PM) It's a bolt-on but I think the calipers need to be spaced-over (recentered) a little bit. I can take a pic of mine this weekend if it would help. Yes, pics would be great. What did you use to space them out, shim washers? Ed |
ChrisFoley |
Mar 13 2003, 07:23 PM
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#4
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I am Tangerine Racing Group: Members Posts: 7,924 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None |
If I am not mistaken, the early front calipers fit on the rear with no adapter necessary. The pads will overhang the rotor a little though.
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MarkV |
Mar 13 2003, 08:49 PM
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#5
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Fear the Jack Stands Group: Members Posts: 1,493 Joined: 15-January 03 From: Sunny Tucson, AZ Member No.: 154 Region Association: None |
Ed,
Nice avatar, little fuzzy though. Mark 73 2.0 |
Brad Roberts |
Mar 13 2003, 09:38 PM
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#6
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Ed,
I used washers to locate them. The last one I did took two of them (late calipers) B |
campbellcj |
Mar 13 2003, 11:17 PM
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#7
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I can't Re Member Group: Members Posts: 4,544 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California |
Yeah, just thick washers. I will take a pic tomorrow after work, or Saturday.
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Scott |
Mar 14 2003, 12:09 AM
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#8
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Member Group: Members Posts: 208 Joined: 13-January 03 From: Redwood City, CA Member No.: 138 |
Chris,
Will the pads over hang if you use 914/6 rotors? |
ChrisFoley |
Mar 14 2003, 06:32 AM
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#9
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I am Tangerine Racing Group: Members Posts: 7,924 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None |
I don't know Scott, are the -6 rotors at least 1/4" larger in diameter? That is about what it would take.
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Scott |
Mar 14 2003, 10:15 AM
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#10
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Member Group: Members Posts: 208 Joined: 13-January 03 From: Redwood City, CA Member No.: 138 |
I don't know chris. I guess that we will have to see if someone else knows.
So, any one know if the 914/6 rear rotors are larger in diameter than the stock 914 rears? By how much? |
Dave_Darling |
Mar 14 2003, 11:08 AM
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#11
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914 Idiot Group: Members Posts: 14,983 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California |
They are, but not by much at all. The Six rear rotors rub on some Four rear calipers, but only by a tiny amount. And they don't rub on all Four rear calipers...
--DD |
campbellcj |
Mar 14 2003, 01:43 PM
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#12
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I can't Re Member Group: Members Posts: 4,544 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California |
I have the -6 rear rotors and -4 front calipers on the back of the car now. Just lemme know if I can measure or shoot pics of anything.
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Scott |
Mar 14 2003, 02:01 PM
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#13
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Member Group: Members Posts: 208 Joined: 13-January 03 From: Redwood City, CA Member No.: 138 |
Yes...Maybe not measure but what are the fit issues.
Do you have the older calipers or later ones? Used spacers? Do the pads over hang the rotors? |
Brad Roberts |
Mar 14 2003, 02:11 PM
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#14
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Scott.....
They fit fine. I run them all the time. Now.. please let me know TODAY whether or not I need to bring you front calipers for the rear. I have never seen the pad overhang.. and wouldnt care if I did. B |
MJHanna |
Mar 14 2003, 02:19 PM
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#15
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Does this 911 make my butt look big? Group: Members Posts: 805 Joined: 23-January 03 From: Lowry Crossing, Texas Member No.: 185 |
If you put fronts on the back, add an adjustable bias knob and take out the factory proportioning valve. (IMG:style_emoticons/default/beerchug.gif)
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Evill Ed |
Mar 15 2003, 07:04 AM
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#16
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Member Group: Members Posts: 238 Joined: 28-February 03 Member No.: 371 Region Association: None |
QUOTE(MarkV @ Mar 13 2003, 06:49 PM) Ed, Nice avatar, little fuzzy though. Mark 73 2.0 Oh man did I steal/copy your avitar? I'm looking inot a new one ;^) Ed |
Evill Ed |
Mar 15 2003, 07:07 AM
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#17
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Member Group: Members Posts: 238 Joined: 28-February 03 Member No.: 371 Region Association: None |
QUOTE(MJHanna @ Mar 14 2003, 12:19 PM) If you put fronts on the back, add an adjustable bias knob and take out the factory proportioning valve. (IMG:style_emoticons/default/beerchug.gif) I have M style front caliper. They are off of a BMW, not 320i, a larger BMW with vented rotors, 5 series I think. They have larger pistons than the Porsche M caliper. With the stock 914 fronts on the rear, will I need a proportioning valve? Right now I have a T with the stock rear caliper with no braking issues. Ed |
MJHanna |
Mar 15 2003, 11:04 AM
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#18
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Does this 911 make my butt look big? Group: Members Posts: 805 Joined: 23-January 03 From: Lowry Crossing, Texas Member No.: 185 |
Yes, in that you no longer have a matched system with the factory valve, you need to be able to rebalance the system. If you have a panic stop on the street and your rears lock up before the fronts your not going to be having much fun. (IMG:style_emoticons/default/driving.gif) And on a track vehicle it’s imperative.
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porschewiz |
Mar 15 2003, 11:11 AM
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#19
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Newbie Group: Members Posts: 29 Joined: 11-March 03 Member No.: 412 |
Hey Ed .... Are you running stock 914 rotors on the front?
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Evill Ed |
Mar 15 2003, 04:56 PM
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#20
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Member Group: Members Posts: 238 Joined: 28-February 03 Member No.: 371 Region Association: None |
QUOTE(porschewiz @ Mar 15 2003, 09:11 AM) Hey Ed .... Are you running stock 914 rotors on the front? No, I have an early 911 front end with vented rotors and M style calipers. I have the stock 914-4 rear calipers with 914-6 rotors, no proportioning valve. I have never locked the rears on the street or the track. I will add the proportioning valve as an added safety measure. Any recommendations for the valve? Ed |
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