Rennen

If I wanted to make a reasonably priced brake upgrade (no more than $1500), what should I consider?

Tom W

Why do you think you need a brake upgrade? Stock brakes (except for the 2 piston rears of the early 964s) are good enough for track use.

I think that for $1500 or less all you could consdier is used calipers from a car with bigger brakes. The one thing you don't want to do is put bigger brakes up front and leave the rears as they are.

Marc Shaw

Cheap upgrades:

1. Castrol SRF or other high temp fluid
2. brake cooling ducts/hoses
3. Pagid or equivalent pads
4. new brake lines (ss or rubber)
5. titanium backing plates (?questionable efficacy)

Marc

Chris M.

What aren't your brakes doing that you want them to do?

Rennen

It's an excellent question. I'm primarily thinking about additional stopping power. I don't really experience brake fade at the track. I'm switching to actual track pads this next event so maybe that's all I need. I have just noticed that sometimes the car seems to take longer that I'd like it to to come down from speed off the straights. I guess my other option is to slow down less!

Geoffrey

To improve braking distance, you'd need to upgrade to larger diameter rotors ie 380mm which will provide more brake torque, especially at high speeds and will slow the car faster. I can tell a difference between my 332x32 fronts and a car with 380x32 endurance brakes using the same pad area and two piece calipers.

garrett376

A cheaper alternative that many people don't realize is that you can buy new, from the dealer, Big Black calipers from a 928 for about $600 for both calipers (they were about $247 each 2-3 years ago). Add new, factory 965 rotors for $144 a piece, and some caliper adapters ($300 new, 100 used if you can find some) and you've got a Big Brake setup for about half the price of most kits out there. Get some 993 rear calipers and remove the proportioning valve (or use a 60-bar turbo valve) and you'll have a nicely balanced, super braking car. The calipers aren't red, which I actually prefer

Rennen

Now that's what I'm talking about! What is the best way to go about getting the part numbers for this stuff?

Bill Verburg

He did say "reasonably priced"

Also didn't mention if he has an RSA w/ the 298s or real RS w/ 322s

boxsey911

When I got my car (C2) I thought that ditching the 2 pot calipers would be the first thing I'd do. However, I've been seriously impressed with their performance on the track. Am I not trying hard enough?

LouZ

I was semi-impressed with my 2-pots but I was boiling ATE, losing the pedal and got to the point that I blistered the paint on the front wheels.
I replaced them with 4-pots from a 968.
Wow, what a difference! Now, I'm getting better balance F to R, running cooler and getting shorter stops.

wf758

Ditto...and a "how to" to go with it!

boxsey911

That's good info. I think I will still change my 2 pots even though they are performing well at the moment. And of course, 4 pots look so much better . Did you remove the proportioning valve, fit the turbo version or not do anything?

LouZ

Changed the proportioning valve to the 55 bar (got it from Sunset Porsche).

Geoffrey

Hi Bill, I was not responding to the post about the brake upgrade, but rather the satement that the stock brakes are good enough. While I agree that it is unlikely that you will get fade with the stock setup which are ceratinly great brakes, you can improve braking distance by increasing the brake torque available ie larger rotors.