Please help me ID these brake calipers...
2 Attachment(s)
Hi guys,
my wide body 964/993 seems to have big reds but I’d like to confirm that or whatever they are so that i can order some street friendly brake pads. Any help is greatly appreciated! Thanks, Greg Attachment 1348507 Rear Attachment 1348508 Front |
Sorry for the large images...
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Originally Posted by C4TT
(Post 15479343)
Hi guys,
my wide body 964/993 seems to have big reds but I’d like to confirm that or whatever they are so that i can order some street friendly brake pads. Any help is greatly appreciated! Thanks, Greg https://i.imgur.com/gwA6G5W.jpg Rear https://i.imgur.com/wszTWdY.jpg Front 3 possibilities that were all black oe are, 964RS 30/34 which would be used w/ 24mm thick rotor, either solid face or drilled face stock 964 28/30 which would be used w/ a 24mm think rotor, either solid face or drilled face 964 3.3t which would be used w/ a 28mm thick rotor, drilled only the 4th possibility which was red oe is 964 3.6t which would use the same rotor as the 3.3t |
2 Attachment(s)
Originally Posted by Bill Verburg
(Post 15479547)
Front is a Big red for sure, the back is not(though it is red). The back is one of 4 possible rear calipers all but 1 came in black oe
3 possibilities that were all black oe are, 964RS 30/34 which would be used w/ 24mm thick rotor, either solid face or drilled face stock 964 28/30 which would be used w/ a 24mm think rotor, either solid face or drilled face 964 3.3t which would be used w/ a 28mm thick rotor, drilled only the 4th possibility which was red oe is 964 3.6t which would use the same rotor as the 3.3t Attachment 1348505 I do notice some black paint under the red paint. Perhaps a respray? Attachment 1348506 What would you recommend in terms of brake pad size? I was going to do Pagid Yellows. |
I pulled the pads and have confirmed the fronts are big reds, and the rears are 964 C2 front calipers painted red and mounted out back. Thank you again Bill.
Now the quest for the perfect street friendly track-able pad setup! |
Originally Posted by C4TT
(Post 15479612)
Thank you for the detailed response. I've narrowed her down to either stock 964 or 964 RS. I'd imagine someone would buy big reds for the front and swap the calipers to the rear.
https://i.imgur.com/9tU0fKa.jpg I do notice some black paint under the red paint. Perhaps a respray? https://i.imgur.com/Qa17zPW.jpg What would you recommend in terms of brake pad size? I was going to do Pagid Yellows. what the 964 Cups w/ similar brake setups did was to remove the rear brake p/v Even w/ that done more rear is desirable. pagid yellows are excellent pads, w/ 29 getting the nod over 19. Then use RST1 or 2 rear. Unfortunately Paagid has changed there pad selections in recent years, there used to be a black that was appropriate for the rear but I don't think it's available any longer |
Originally Posted by C4TT
(Post 15479737)
I pulled the pads and have confirmed the fronts are big reds, and the rears are 964 C2 front calipers painted red and mounted out back. Thank you again Bill.
Now the quest for the perfect street friendly track-able pad setup! too much front is not ideal but at least it is safe Too much rear which is what having fronts in back does is just plain unsafe for 2 reasons 1) too much rear bias 2) the fronts want 28mm rotors w/ a minimum 26mm thickness, you are at least 2mm under spec It's doubtful that you can find 964RS rears so most are using 993 rears as a functional equivalent, there are some minor cosmetic differences aside from being black. These are the best currently available option for you. 964 t rears won't work at all and the correct big reds though they bolt on require 322x28mm rotors that won't work w/ your oe parking brakes. |
Originally Posted by Bill Verburg
(Post 15479912)
Then you have an even bigger problem,
too much front is not ideal but at least it is safe Too much rear which is what having fronts in back does is just plain unsafe for 2 reasons 1) too much rear bias 2) the fronts want 28mm rotors w/ a minimum 26mm thickness, you are at least 2mm under spec It's doubtful that you can find 964RS rears so most are using 993 rears as a functional equivalent, there are some minor cosmetic differences aside from being black. These are the best currently available option for you. 964 t rears won't work at all and the correct big reds though they bolt on require 322x28mm rotors that won't work w/ your oe parking brakes. |
Originally Posted by C4TT
(Post 15480287)
I’ll need to conduct some testing. The car was prepped for track use so it seems fine for street use thus far. It will spend most of its time in the street so who knows. |
Originally Posted by Bill Verburg
(Post 15479912)
Then you have an even bigger problem,
too much front is not ideal but at least it is safe Too much rear which is what having fronts in back does is just plain unsafe for 2 reasons 1) too much rear bias 2) the fronts want 28mm rotors w/ a minimum 26mm thickness, you are at least 2mm under spec It's doubtful that you can find 964RS rears so most are using 993 rears as a functional equivalent, there are some minor cosmetic differences aside from being black. These are the best currently available option for you. 964 t rears won't work at all and the correct big reds though they bolt on require 322x28mm rotors that won't work w/ your oe parking brakes. |
Originally Posted by C4TT
(Post 15481328)
Just to be clear, my front rotors are 32mm thick. The rears are 24mm.
964 fronts want 298x28mm rotors, w/ a wear limit of 26mm. You apparently have these fronts in the back on stock 964 299x24mm rotors. That is one of the 2 issues you have |
Originally Posted by Bill Verburg
(Post 15481378)
I understand that. big reds want 322x32mm rotors, that is what I see.
964 fronts want 298x28mm rotors, w/ a wear limit of 26mm. You apparently have these fronts in the back on stock 964 299x24mm rotors. That is one of the 2 issues you have I'm surprised there isn't an aftermarket fix for this. Thanks |
I just measured the rear pistons which came in at 26mm for the top and 30mm for the bottom piston.
The old Pagid reds measure 16mm front and 15.5mm rear in total pad thickness. So clearly the rear is working harder, granted the weight is greater in the back. |
You should pick up a set of 993 C2 rear brakes and swap them in.
It's shouldn't be terribly expensive (often available on ebay or at one of the dismantlers) and will improve your brake bias. |
Originally Posted by spartansix
(Post 15481714)
You should pick up a set of 993 C2 rear brakes and swap them in.
It's shouldn't be terribly expensive (often available on ebay or at one of the dismantlers) and will improve your brake bias. |
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