 Caliper Question - Calling Eric, 914/4 vs. 914/6 rear |
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| bigkensteele |
 Dec 30 2013, 09:53 PM
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Major Member  Group: Members Posts: 2,197 Joined: 30-August 04 From: Cincinnati, OH Member No.: 2,660 Region Association: South East States 
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I understand that the piston diameter is larger on the six caliper, but externally, they appear to be very similar if not identical.
My question is why can't a rear four caliper be bored to the same piston diameter as the six? Not enough meat on the bone? Mind you, I understand that if it could be done, PMB probably would not have gone through the trouble to create the GT caliper. Just being curious here. |
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| Eric_Shea |
Dec 31 2013, 06:15 PM
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
Piston - You would need 2.5mm off the edge of the dust boot flange. There's just not enough meat there to make that happen.
Pad Width - Not only the cavity but the pin spacing would need to be expanded. All sorts of issues... (IMG:style_emoticons/default/sad.gif) |
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Posts in this topic
bigkensteele Caliper Question - Calling Eric Dec 30 2013, 09:53 PM
Steve It's not just the piston, the pads are also sl... Dec 30 2013, 10:22 PM mr914 There is also a difference in the casting
The 4s ... Dec 31 2013, 06:05 PM
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