Upgrade Base 986 Brakes to S
03-16-2018, 06:37 AM
#1
2nd Gear
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Join Date: Apr 2015
Location: Seattle
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Upgrade Base 986 Brakes to S
I've searched a couple of hours & not found on-point discussion. What's involved in upgrade 1999 base 986 front brakes to 986 S ? Rotors increase 298 x 24 mm to 318 x 28 mm. Is there an adapter to move the caliper up or are S calipers & carrier change needed? I have 17" OEM wheels. Seems like this could be an inexpensive upgrade as rebuilt S calipers & new S rotors are available from many sources. Thanks.
03-16-2018, 08:31 AM
#2
Rennlist Member
Calipers, pads and rotors and you are good to go. You can also use the ones off of a 996 C2 or a 987 as they are the same as the 986 S calipers. No spacers required.
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FireCayman (07-06-2021)
03-30-2018, 05:09 AM
#3
If you look for front rotors, I still have a pair of 986 S, that I removed from my car, when I bought a Brembo 6 piston large floating rotor kit.
They are in great shape, only 3 or 4 thousand miles.
(I do not have anymore the original S Calipers, sold these already !
Send a pm if interested.
They are in great shape, only 3 or 4 thousand miles.
(I do not have anymore the original S Calipers, sold these already !
Send a pm if interested.
03-30-2018, 10:22 AM
#4
Race Director
why do you want to do this? Spec boxsters run stock brakes. On the street, or even moderate track work, the stock brakes are more than adequate with a set of better pads.
03-30-2018, 06:59 PM
#5
Pleasure and performance on track.
For example, gain per lap of this mod at Laguna Seca is around 2 sec. !
(I do not care to be in or out of the "spec", as I do not race.)
I can tell you that such setup makes a great braking difference over the OEM one.
Or, good to understand that better braking power ..is as important as better acceleration power (more HP on engine).
I do not know why, but everyone understand that more power is "top", while only very few would understand that more braking power is as important as engine power, i.e.: your comment : oem brakes are good enough !
For me, I see your comment like : the Boxster S (3.2 in my case) power is good enough.
Did you noticed that the last version of the Boxster Spyder do have also 6 pistons large rotors front brake ?
For example, gain per lap of this mod at Laguna Seca is around 2 sec. !
(I do not care to be in or out of the "spec", as I do not race.)
I can tell you that such setup makes a great braking difference over the OEM one.
Or, good to understand that better braking power ..is as important as better acceleration power (more HP on engine).
I do not know why, but everyone understand that more power is "top", while only very few would understand that more braking power is as important as engine power, i.e.: your comment : oem brakes are good enough !
For me, I see your comment like : the Boxster S (3.2 in my case) power is good enough.
Did you noticed that the last version of the Boxster Spyder do have also 6 pistons large rotors front brake ?
03-31-2018, 10:50 AM
#7
Rennlist Member
2 seconds seems about right to me. .5s for the increased braking and 1.5s for the improved confidence in the brakes.
