Is there any rear caliper with e-brake & >38mm piston for 914/6GT ? |
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Is there any rear caliper with e-brake & >38mm piston for 914/6GT ? |
amallagh |
Mar 16 2019, 07:06 AM
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#1
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Member Group: Members Posts: 103 Joined: 4-September 06 From: Cheshire, England Member No.: 6,767 |
My 914/6GT is struggling a bit with brakes having uprated to a 2.8 twin plug with about 280bhp.
It currently has S calipers up front and some 914/6GT rears with Porterfield R4 pads. As well as heat the sticky track tyre set up could cope with more brake torque as well. (215/50r16 front and 245/45r16 rear). It is not a single use car - It is used on road as well as competitive rally and some trackdays. There are plenty of 911 uprate options for the front, but without changing to a 911 emergency brake on the rear, then I haven't been able to find something to balance things at the rear. The current set up is properly balanced and there is no point in uprating the front unless I can uprate the rear. I really don't want to mess about with the rear arms by fitting the 911 e-brake system unless I really have to. Is there any alternative rear caliper out there with a cable operated handbrake mechanism, with a >38mm piston like the original 914/6 calipers ? Anything from an Audi or VW for example that anyone knows will work in this application ? Something with a 42 mm piston (like the Carrera rears) or even slightly larger would be ideal. Or has anyone fitted larger discs to achieve a similar upgrade ? If I could uprate the rears, then I could fit some Boxster front calipers on 280mm Carrera discs or a Boxster caliper kit with larger 300mm discs which will still fit under my 16" wheels which I definitely want to keep. Am I wasting my time looking for an uprate option for the rears which still uses the 914/6 style cable operated handbrake in the calipers. The crucial things is not having to change everything over to a 911 style e-brake set up. Any advice/options very welcome. Regards Andrew |
mepstein |
Mar 17 2019, 09:55 AM
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#2
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914-6 GT in waiting Group: Members Posts: 19,307 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
I don't believe Boxster brakes give any more brake torque or cooling than Carrera's. Larger pads don't supply more brake torque but they do last longer. There is no more heat dissipation with Boxster calipers because heat is carried out by the rotors and the cooling air directed on them and Boxster brakes use Carrera rotors.
But unfortunately. there is no bolt on solution for larger than 914-6GT rear brake calipers. |
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