Pelican Parts
Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   Pelican Parts Forums > Porsche Forums > 911 / 930 Turbo & Super Charging Forum


Reply
 
LinkBack Thread Tools Rate Thread
Author
Thread Post New Thread    Reply
Infidel
 
JBL930's Avatar
 
Join Date: May 2006
Location: UK
Posts: 1,172
Quote:
Originally Posted by DonE View Post
Here you go. The machine aluminum adapter is visible to the left of the caliper, anodized in black. The caliper mounting bolts are just above and below (hidden from view) the gold hex bolts.



Thanks Don!!

I'm now even more confused These are the calipers i have, and they check out part number wise as 993 turbo rears.
You can now see my issue! The 993 C4 fronts fit with a bracket much like you have shown, and the 993 Turbo fronts will fit using my existing braket no problem. My issue is what/can i do with these rears? And which ones do you have Don? Are they 964 turbo rears? Cos they look quite a bit different to mine?





__________________
Jonathan.
87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
Old 540 BMW, XB12S Modified, for being a total hooligan
Old 02-03-2010, 02:26 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)
Registered User
 
Join Date: Mar 2000
Location: Auburn,In. U.S.A.
Posts: 2,449
Jonathan,

Hope this is of some help to you. I am running the same set up.

I use 95 993 C4 front calipers with adapter no caliper machining required
. Pn# 993-351-421-20 & 993-352-422-20
Piston size 44/36mm These are mounted on original 930 floating
rotors 304 x 32

Rears are 96 993 tt rear calipers with an adapter no machining required on
caliper,
Pn# 993-352-425-10 & 993-352-426-10
Piston size 28/28 mm These are mounted on original 930 rear rotors 309 x 28













My rear adapters came with the calipers. You should be able to find them easily
from one of the better brake peddlers.


Cole
__________________
Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.
Old 02-03-2010, 05:24 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #22 (permalink)
Infidel
 
JBL930's Avatar
 
Join Date: May 2006
Location: UK
Posts: 1,172
Hi Cole

Thanks for the pics! Your rear calipers must have been machined as the original mounting points are not there anymore. They look identical to mine in every way otherwise!
I wonder how i can get the info on how much to machine off, how deep to tap the new holes for the bolts to mount the adapter plate etc?
Would it be easier to ship the calipers to someone to have the mod done?
__________________
Jonathan.
87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
Old 540 BMW, XB12S Modified, for being a total hooligan
Old 02-03-2010, 05:34 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #23 (permalink)
Infidel
 
JBL930's Avatar
 
Join Date: May 2006
Location: UK
Posts: 1,172
Can anyone recommend a good brake cooling kit for the fronts? Something with all the bits so i can just bolt it up? Would be good to know i have as much help going to the fronts as possible
__________________
Jonathan.
87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
Old 540 BMW, XB12S Modified, for being a total hooligan
Old 02-03-2010, 05:47 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #24 (permalink)
Registered User
 
Cobalt's Avatar
 
Join Date: May 2004
Location: New Jersey
Posts: 1,218
Garage
Here are some pics of new 993TT rear calipers. they use the 48 x 132mm pad and have 28/28mm pistons. They are axially mounted vs the big reds or medium S4/993 front calipers which are radially mounted.

These would require the loss of rear Ebrake. Honestly they do have a larger pad and dissipate more heat with the large 322 x 28mm rotor although the stock rear 930 caliper and pad is similar to the stock 964 turbo which offers a lot of brake. I would focus mostly on the fronts first.

The braking of my turbo and C2 is really quite adequate and I have been in some GT2's and 996TT's that did not seem to brake as well with their larger calipers and rotors.
__________________
Anthony PCA affiliate '77 member '83 '90 3.8 RS tribute, '93 964 C2, '93 928 GTS 5 speed, '94 Turbo 3.6, M '15 Boxster GTS18 Macan GTS
Gone worth mentioning '71 E '79 SC, '79 built to '74 3.0 RS tribute (2390 # 270 hp), '80 928 euro 5 speed, '74 2.0l 914, '89 944 S2,'04 Cayenne TT '14 boxster, '14 Cayenne GTS many others
Old 02-03-2010, 08:21 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #25 (permalink)
Registered User
 
Join Date: Dec 2002
Location: Seattle
Posts: 660
As a counterpoint to installing bigger brakes, I use bone-stock brakes on my 78 930 track-prepped car, and it stops beautifully lap after lap on the track. The feel is excellent, rotor life is fine, and there's no fade or loss during 25 minute sessions, even on hot days. I use Porterfield R4 pads, Motul RBF 600 fluid, and have installed some good cooling at the front, including the AJR cooling kit, Smart Racing clamshell ducting manfold and rotor eye blockoff plates. The car weighs 2720 lb and has 275/315 R-compound tires. I'm very glad to be have essentially stock brakes -- they're light, with minimal unsprung mass, and they have a good feel. I suppose if the car weighed a lot more, things might be different, but if I can run stock brakes in such a punishing environment, why would anyone need anything more?
Old 02-03-2010, 09:44 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #26 (permalink)
 
Turbofrog
 
smurfbus's Avatar
 
Join Date: Aug 2009
Location: Europe
Posts: 1,423
Good to know your stock ones work well. Do you have any pics of the cooling system? Is the rotor eye blockoff plates equal to dust shields?
Old 02-03-2010, 10:56 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #27 (permalink)
Registered User
 
Join Date: Dec 2002
Location: Seattle
Posts: 660
I don't have great pictures of the setup, but here are the parts I used:


From Smart Racing Products:

AJ Front Brake Cooling Ducts (I didn't use the air scoops, I just routed hose to the front valance openings):

http://www.smartracingproducts.com/pdfdocs/691061_brakecoolingducts.pdf

Front A-Arm Brake Duct Manifolds:

http://www.smartracingproducts.com/pdfdocs/691030_frontbrakeduct.pdf

Air Deflection Shields (rotor eye block-off plates):

http://www.smartracingproducts.com/pdfdocs/691021_930_airdeflection.pdf

These are more than dust shields - you can read about them.

Rob
Old 02-03-2010, 12:06 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #28 (permalink)
Reply

Thread Tools
Rate This Thread
Rate This Thread:

 


All times are GMT -8. The time now is 05:05 PM.


 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page
 

DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.