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New T1 Rule; Edjumicate Me on C5 vs C6 OEM Calipers/Pads

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New T1 Rule; Edjumicate Me on C5 vs C6 OEM Calipers/Pads

 
Old 06-12-2018, 12:59 AM
  #21  
exracer28
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Some 17" wheels have more clearance than others so if someone states their 17" wheels clear yours may not. Might be time to move up to 18"
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Old 06-12-2018, 09:21 AM
  #22  
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I am asking about the size difference between C5 and base C6 calipers.
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Old 06-12-2018, 09:21 AM
  #23  
lbs90ZR
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Are the pistons the same size? I have C5 stainless that I would want to transfer to c6. For the front.
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Old 06-12-2018, 12:52 PM
  #24  
Norbit2
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Yes, pistons are the same. Do you by chance have a C5 and C6 caliper in front of you to measure if one is taller than the other?
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Old 06-12-2018, 03:48 PM
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The C6 Z51 rear calipers have smaller pistons than the C5 and C6 base do so I would rule that out. On the smaller rotor you will lose some brake torque.

Fronts and rear/C6 base rear should all be the same aside from caliper structure although idk if they fit each others brackets.

C6 Base front rotors at least from GM went to a heavier rotor that uses pillar vanes and more mass. (C5 front rotors are curved vane)
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Old 06-12-2018, 06:22 PM
  #26  
lbs90ZR
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Originally Posted by Norbit2 View Post
Yes, pistons are the same. Do you by chance have a C5 and C6 caliper in front of you to measure if one is taller than the other?
I could measure the C5 oem piston but no c6. I didn't think it would say, but just looked at Drm and it says for fronts "Stainless Steel Pistons will fit C5 base, Z51, Z06 and also C6 base, Z51"

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Old 06-12-2018, 06:25 PM
  #27  
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All of the front pistons should be 40.5mm diameter.

The rears are 45 mm sans the C6Z51 which are 42mm.
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