I was just thinking about this today as I had those in my Z06, and they worked very well; the manufacturer reported that the caliper ran over 100 degrees cooler due to reduced heat transfer from the pad to caliper.

Doing a search, I found them here, and they will fit my GT due to it having Big Reds which are the same as 993 TT front brakes:

http://www.racersedge-inc.com/racers...enumodelbytype

As soon as I get home I will be buying a set!

 

I have regular S4 brakes and could only find the titanium shields in sizes that fit the rear. Availability may be an issue for those of us running "standard" brakes.

 

James, looks like S4 fronts are covered:


MC-6210

Fits Front: 911 Turbo 91-92, 911 95-98 (993), 928 86-91, 944 Turbo S 88-89, 944S2 and 968 w/sport susp


From here:

http://www.racersedge-inc.com/racers...enumodelbytype

 

how does a piece of metal between pad and caliper pistons reduce heat transfer? I know there are statistics, but companies like KN also say their air filters give you better gas mileage too!

I think the key here is having a big fat pad that doesnt transfer the heat as much. I think a lot of the heat is the fact that the calipers are in close proximity to a 1000 degree rotor!

MK

 

Mark, different materials have different heat-transfer characteristics. Titanium's heat-transfer rate is about 1/3 that of steel. A major contributor to heat in the caliper is the direct transfer from the hot pad into the piston, so if you interrupt that path, the fluid and the caliper stay cooler. Some pads even have a ceramic plate between the friction material and the steel backing plate...

 

I suppose that oven mitts serve no purpose because they are so thin and flimsy.

The ti heat transfer question is valid, however. How much heat transfer does an insert prevent? 10, 20, 30 degrees?

I think the caliper heating is mostly directly from pad to caliper. Everything else seems to have airspace and airflow around it. Just an opinion.

 

Update. S4 Front sized ti shields seem to now be available.

 

anyone want to split a set? I dont need them on the rears
mk

 

Isn't one set for the front of one car only? One on the outside of each pad for a total of four, covering the front?

 

The ones I have looked at are sold per axle, just like brake pads.

 

What exactly does 'per axle' mean on independant suspension? Per two axles? I think we were saying the same thing. ............weren't we?

 

To the best of my knowledge, "per axle" means for two wheels - however many calipers/pistons/pads that entails.....

 

You are right, and to the extreme, that is why Brembo and AP have available (for some of their competition calipers) titanium pistons with vents machined into the pad contact face.

 

I have tried to find a compromise of a dual use brake pad and have come to the conclusion that it doesn't exist. The Hawk Street plus Track pad that I am currently using gets the job done in the DE's, but it squeels like a pig to the point that it is embarrasing. i have made the decision to go to dedicated track pads going forward.

I use the Castrol SRF brake fluid. It is damn expensive, but has never boiled on me. I will be honest and say that I have run DE's on 12 month old brake fluid. I know that it is not the right thing to do. The SRF wet boiling point is so high that I don't believe that you need to change it every 6 months like the other fluids. Maybe I am wrong, but so far no problems.

 

I hear ya with the Hawks, Cameron. What are you going to try? I understand that I can drive on as well as get to and from the track on Hawk Blues. That will be my next pad purchase.

How expensive is SRF? I remember talking to someone once that used fluid that cost close to $100 - probably the same stuff.

The economics of minimizing or eliminating brake boiling and brake-intensive tracks involves a variety of options:

1) Ti front shields $80ish
2) Custom brake duct work $___
3) Upgrade from dish wheels for better venting $600+
4) SRF fluid. $___

5) Drive Slower: Free

Why doesn't anyone choose #5?