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Registered
Join Date: Jan 2002
Location: Seale, Alabama (25 miles south of Auburn, Al.)
Posts: 466
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How do I measure my brakes for pads?
I need to order front brake pads for my 77 . I know that they are steal but I need to choice between two sizes. What do I measure to determine which pad I need. I have heard that you measure the diameter of the pistion and I also heard that you measure the width of the old pad. Can someone please post a drawing and point to the two points to measure.
Thanks Rick
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Red 1977 911s 3.0L (27230) 2013 Base Cayenne 3.6L |
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10-09-2003, 06:34 PM
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Join Date: Oct 2000
Location: Nor-Cal
Posts: 4,403
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Out of curiousity, why do you need to measure them? Is it because you have none OE calipers?
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10-09-2003, 06:41 PM
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Join Date: Sep 2003
Location: Wyoming
Posts: 166
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Pull off the pads on one side of the car and take them with you when you pick up the new ones.
jc930
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77' 930 turbo carrera silver SOLD 03' SL500 Mercedes Benz white 06' GMC Yukon Danali white 15' LTZ Chevy Suburban black 07' 997 tt black |
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10-09-2003, 10:12 PM
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Posts: 217
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Bill Verburg posted the outlines a while back, search on his name.
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10-10-2003, 02:49 AM
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Join Date: Jan 2002
Location: Seale, Alabama (25 miles south of Auburn, Al.)
Posts: 466
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Matt
No the oem's are still on the car, but when I went to order them on Pelican parts , it shows two different sizes for my year car, and I'm not sure what they are measuring. JC930 The problem with that is I order all of my stuff From our Host, Pelican Parts. AES Thanks, I will search on it. Rick
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Red 1977 911s 3.0L (27230) 2013 Base Cayenne 3.6L |
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10-10-2003, 03:57 AM
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They are either A which has a 3.5" mountiing bolt patten or M which has a 3" mounting bolt pattern Your calipers are likely not this clean but A is on the left M on the right 
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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10-10-2003, 11:53 AM
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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Quote:
C-351-950-03 $45.50 OEM Front Brake Pad Set, Steel 'A' Caliper, 911 (late 1975-89), From VIN# 911-520-2046 (Coupe), 911-521-1218 (Targa), 911-540-0342 (Carrera Coupe), 911-541-0148 (Carrera Targa) C-351-950-02 $31.25 the Alloy "S" caliper pads are slightly thicker
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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10-10-2003, 02:44 PM
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1976 Porsche Carrera 3.0
1995 Porsche 993 Carrera Coupe
