964 big reds does it need a new proportioning valve and master cylinder
09-08-2018, 01:07 PM
#16
Rennlist Member
Balance with braking is critical. Safety item.
If you do fronts, to rears
Remove or empty the proportion valve
Ideally paired with a larger master cylinder.
I have the setup Bill refers to, with the BMW pipes, worked perfectly! Bill I still need to measure the pistons on this setup... I never did (my brembos). I can say braking performance is insane and of course no fade.
If you do fronts, to rears
Remove or empty the proportion valve
Ideally paired with a larger master cylinder.
I have the setup Bill refers to, with the BMW pipes, worked perfectly! Bill I still need to measure the pistons on this setup... I never did (my brembos). I can say braking performance is insane and of course no fade.
09-09-2018, 09:05 PM
#17
Rennlist Member
My apologies if I'm hijacking but looking for a simple explanation of options over stock 964 brakes? I've searched and not clear on what is what? If anyone has knowledge of a link or two on here to help guide me what the options are it would be great.
Looking for the 2 or 3 best options for upgrading my stock brakes. 30% of my driving is done in the canyons 10% will be on the track and the balance is on the streets. Is there a very good upgrade with just calipers and rotors or do I also need think about the booster also.
Looking for the 2 or 3 best options for upgrading my stock brakes. 30% of my driving is done in the canyons 10% will be on the track and the balance is on the streets. Is there a very good upgrade with just calipers and rotors or do I also need think about the booster also.
09-10-2018, 04:25 PM
#18
My apologies if I'm hijacking but looking for a simple explanation of options over stock 964 brakes? I've searched and not clear on what is what? If anyone has knowledge of a link or two on here to help guide me what the options are it would be great.
Looking for the 2 or 3 best options for upgrading my stock brakes. 30% of my driving is done in the canyons 10% will be on the track and the balance is on the streets. Is there a very good upgrade with just calipers and rotors or do I also need think about the booster also.
Looking for the 2 or 3 best options for upgrading my stock brakes. 30% of my driving is done in the canyons 10% will be on the track and the balance is on the streets. Is there a very good upgrade with just calipers and rotors or do I also need think about the booster also.
brakes
09-11-2018, 01:04 AM
#20
Rennlist Member
Enlarging the diameter would be simple enough right? Finding a piston to fit on the other hand... Maybe time to talk to some friends with CNC's.
I guess the other question would be if the vacuum system is up to the task.
I guess the other question would be if the vacuum system is up to the task.
09-11-2018, 01:39 AM
#22
Pete
09-11-2018, 05:29 AM
#23
Three Wheelin'
You really want to change the rear calipers to 993 versions, even w/ those the system is heavily front biased, I'd remove the p/v totally as was done on the Cup cars.
C4 comes w/ a 23.8mm m/c oe this will be fine, though you will get much better feel from using a 25.4 from a 964RS
C4 comes w/ a 23.8mm m/c oe this will be fine, though you will get much better feel from using a 25.4 from a 964RS
Once upgrading to 993 fronts, is it feasible to use standard 964 fronts on the rear?
How would that work balance wise?
09-11-2018, 11:35 AM
#25
