996 calipers
- Thread starter j16jrf
- Start date
Are the drains in the scuttle area clear and all the bungs present?
I think you will need to manufacture adaptors to fit the brakes, I dont know of any company that provides them, even then you may have clearance issues. You may also need bigger wheels.
944 (220) turbo or s2 brakes might be easier to fit but still may have clearance issues.
Tony
I think you will need to manufacture adaptors to fit the brakes, I dont know of any company that provides them, even then you may have clearance issues. You may also need bigger wheels.
944 (220) turbo or s2 brakes might be easier to fit but still may have clearance issues.
Tony
Diver944
Active member
I don't think I've heard of anyone fitting 996 or Boxster callipers to our cars, we all seem to go down the route of 'reasonably big blacks' from the 928S4 or ' big blacks/reds' from the 928GTS, 964 Turbo etc
That's not to say they won't fit if you have the correct adaptor, it's just not something I've seen. [&:]
That's not to say they won't fit if you have the correct adaptor, it's just not something I've seen. [&:]
sawood12
New member
There is one chap on the forum that has according to his autosignature. Can't think of his name at the moment (I think it's Peter Empson???) but he's got the 944 with the Plexiglass tailgate. There is also a company on ebay that sell brake adapters and claim they offer adapters to fit almost any caliper to any car, but you also have to consider the brake disk depth i.e. the height of the top hat part of the disk which determins the offset of the plane of the disk. I've been told that this is different for Boxters and 996's but the same for 993's which is why the beauty of using 993 derived brakes is that the disks fit and all you have to worry about is the position of the caliper radially. Not sure if you can use 993 disks with the 996 calipers to make it work.
For proper big blacks and big reds you will need 17" rims but you will be OK with 16" rims for 220 turbo/S2 calipers and M030/928S4 calipers.
For proper big blacks and big reds you will need 17" rims but you will be OK with 16" rims for 220 turbo/S2 calipers and M030/928S4 calipers.
j16jrf
New member
wheels are not a problem i have 18" cup 3 turbo wheels.
I havent checked the drains in the scuttle area but the car has been lying a while now outside and i noticed when i opened the drivers door that there was water on the sill but not on the passenger side.
Where are the drains in the scuttle area? and what bungs should i check?
Thanks
Jamie
I havent checked the drains in the scuttle area but the car has been lying a while now outside and i noticed when i opened the drivers door that there was water on the sill but not on the passenger side.
Where are the drains in the scuttle area? and what bungs should i check?
Thanks
Jamie
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sawood12
New member
I'm not so sure that GT3/996 turbo/996 C4S brakes are any better than Big Blacks/Reds. The disk dia is the same (near as damn it). In fact I think I prefer the look of the Big Blacks/Reds - the 996 calipers look a bit blocky and square to me. Ultimately with brakes as good as these the performance limit in the whole system will be the grip of the tyres.
Open the bonnet in the are where the heater fan is located below the windscreen there should be a drain through to each wheel arch. They got blocked with leaves etc. If they are blocked the water can collect here and get into the car through any holes that should have bungs and dont and also around the heater fans if the seal is damaged.
Tony
sawood12
New member
The monoblock design is more geared towards providing weight reduction and increasing heat transfer due to there being more Alloy material rather than Steel. I also suspect there is a saving in manufacturing costs and reduced parts count. The stiffness of the Boxter/996 calipers still comes from big steel pins reinforcing the two caliper 'halves' just as they do with the 993's calipers.
I've not seen the calipers without the pads but are you saying they don't have the steel pad guides? I would have thought that they would still be required to provide the bearing surface for the pad edges to slide against as the Alloy material used to make the caliper bodies is not a hard wearing material and if so caliper plate lift might still be an issue in years to come.
I've not seen the calipers without the pads but are you saying they don't have the steel pad guides? I would have thought that they would still be required to provide the bearing surface for the pad edges to slide against as the Alloy material used to make the caliper bodies is not a hard wearing material and if so caliper plate lift might still be an issue in years to come.
lali
New member
A common misnoma is that if you have bigger brakes it makes you stop better... What you invariably find is that wehn people upgrade their calipers to medium/big blacks/reds they also renew the fluid and move to a more performance rated pad. The larger Calipers are more effective in heat disapation and thus allow them to work hard for longer periods of time.
If you change the fluid and pads in normal calipers you'll get better braking for a lot less money.
If you change the fluid and pads in normal calipers you'll get better braking for a lot less money.
[/size]
Mike, you know both Pete and i are from the land of Polar Bears; Finland
We started this brake upgrade first with 928 S4 front calipers few years ago (Pete's car is '87 and mine is '88) Pete bought first a set of used GT3 front and rear 4-piston calipers. When i saw them i wanted also to have a similar setup. I bought first used GT3 front calipers and after that i managed to locate the rear ones.
Then i got a good deal with GT2 front ones, or actually i bought two sets of them, so i sold tho other pair to Pete. Our GT3 front calipers were Mark I 4 piston ones and those GT2 calipers are 6-piston design. We sold GT3 calipers for two other 951 owner here in Finland.
The local machine shop manufactured adapters for both front and rear calipers. We also have special adapters for handbrkae shoes, which move those shoes outwards from their original postition. Our cars are both the new ET cars. With old ET you do not need to have these adapters for handbrake shoes.GT3 rear disk will fit directly to old ET cars. In front we are using "normal" GT2 disk, it's streight bolt on. You are also able to use GT3 Super Cup disk, but it needs a little bit modification both disk and adapters. As brake pads the plan was to use Ferodo 3000 pads. Unfortunately Ferodo has discontinued GT2 pads manufacturing. They have a new replacement material for 3000 series pad. They didn't have any GT2 pads on their store, so they made two pair for us (£££££). We also changed material of rear pads, so both front and rear pads have equal material.This new material should also work good when pads are cold.You also need to have 18" wheels. This upgarde is not the cheapest one, i wouldn't start it if i only knew how expensive it will be. Here's couple of pictures from Pete's project.
Sorry about my bad english
[/size]
We had same time an another brake project going on. Another friend, Tommy, changed his 951 S front calipers to Big Blacks i sold to him (or Big Yellows in this case)
http://i5.photobucket.com/albums/y170/olli951/tt951a.jpg">[/size]
[IMG]http://i5.photobucket.com/albums/y170/olli951/ttbrake3.jpg
Mike, you know both Pete and i are from the land of Polar Bears; Finland
We started this brake upgrade first with 928 S4 front calipers few years ago (Pete's car is '87 and mine is '88) Pete bought first a set of used GT3 front and rear 4-piston calipers. When i saw them i wanted also to have a similar setup. I bought first used GT3 front calipers and after that i managed to locate the rear ones.
Then i got a good deal with GT2 front ones, or actually i bought two sets of them, so i sold tho other pair to Pete. Our GT3 front calipers were Mark I 4 piston ones and those GT2 calipers are 6-piston design. We sold GT3 calipers for two other 951 owner here in Finland.
The local machine shop manufactured adapters for both front and rear calipers. We also have special adapters for handbrkae shoes, which move those shoes outwards from their original postition. Our cars are both the new ET cars. With old ET you do not need to have these adapters for handbrake shoes.GT3 rear disk will fit directly to old ET cars. In front we are using "normal" GT2 disk, it's streight bolt on. You are also able to use GT3 Super Cup disk, but it needs a little bit modification both disk and adapters. As brake pads the plan was to use Ferodo 3000 pads. Unfortunately Ferodo has discontinued GT2 pads manufacturing. They have a new replacement material for 3000 series pad. They didn't have any GT2 pads on their store, so they made two pair for us (£££££). We also changed material of rear pads, so both front and rear pads have equal material.This new material should also work good when pads are cold.You also need to have 18" wheels. This upgarde is not the cheapest one, i wouldn't start it if i only knew how expensive it will be. Here's couple of pictures from Pete's project.
Sorry about my bad english
[/size]
We had same time an another brake project going on. Another friend, Tommy, changed his 951 S front calipers to Big Blacks i sold to him (or Big Yellows in this case)
http://i5.photobucket.com/albums/y170/olli951/tt951a.jpg">[/size]
[IMG]http://i5.photobucket.com/albums/y170/olli951/ttbrake3.jpg
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