Actually I'm using PFC01's, haven't tried the 97's on the ST40's as per stoptech's recommendations. Bite is relative to whatever pad is used, not an element of just the brake kit alone. The fade I'm experiencing is all pad related, not fluid. Only way to overcome this is to brake earlier to afford to release some pedal pressure before fade starts.

I'm not saying stoptech didn't do their homework on my previous post, but I think they could have done a bit better. Finding good brakes on our front weight biased cars is a tough assignment. In contrast to the Porsche, all this front weight on the EVO is "pulling" on the tires/brakes. On the rear biased Porsche the weight is "pushing" on the tires/brakes making the brakes more effective. The 993 actually squats down and uses all four corners to brake the car down, while the evos do a nose dive leaving the rear brakes to do very little.

My 993 is close to 3400 lbs and I'm using Motul 600 in the EVO. Pentonsin Race fluid in the Porsche. If your interested I can take a pic of all three pads for you to see the size difference.

 

Endless has many years experience with EVO braking systems racing. They just introduced a new 12 pot 396MM brake setup.

 

Thanks for the info on the brakes. I'm leaning towards the Alcon brake kit and upgrading to 18" Buddy Club wheels.

You're correct in stating that 800awhp at altitude is a strech. The 650awhp the my car is currently running is altitude corrected. My Evo is currently on the east coast and has recently been dyno'd at 620awhp with no correction factor. I do believe that my car will make over 800awhp with very little lag at sea level when it's done. The Holsett Hx50 turbo will support the horsepower without a problem. The supercharger helps with spool up. At altitude we loose almost 25% HP even on a turbo charged car. A turbo that can run 36psi a sea level typically runs about 30 psi in Denver. At least that's what my HKS 3240 does. Only time will tell. My car will be done with the dual charger system sometime in June. The engine is a built 2.3l stroker using Toda pistons, Pauter rods, and a custom one off crank built by RNR/Pauter.

 

Brembo Gran Turismo kit.

 

Stock calipers are enough. All you need to change is rotors, pads, lines, and so on. This fact is exemplified through the Cyber Evo.

 

^ precisely... and if you want more rotor... it's totally doable to bracket the stock caliper. the best part of this option is that it's cheap for one... and you get the benefits of stock brake balance, and you keep stock pad thickness etc.

 

man these last couple days you really got my cogs moving. i'm all curious now... you think isn't the pfc01 a weaker pad? the pf97 is pretty harsh... you think that would help the bite you are unsatisfied with?

also doesn't stoptech recommend using thier own axxis pad?

i ugess it's not necessary to take pictures but do you know the pad surface areas... i'm interested in comparing those. maybe to stock too... i think the stock area can be found somewhere on this board.

i'm looking for a "perfect" solution... and as you pointed out, not so simple when we got these nose heavy cars (weight reduction becomes so crucial to performance in turns).

i'm sorry i am not very knowledgeable about porsches, didn't know they made a cow hehehe.

the weight savings stoptech offers is definitely unrivaled... but if you can get them to fade... arg that's so frustrating, but if it's pad related... perhaps they are the solution afterall...

i was just gonna do the upgraded rotor thing... and now that you bring up the fact that stop tech kit uses less pad that flusters me... and the kit that i tlaked about before... the ap rotor kit with brembo caliper brackets requires shaving pads too.

and i guess my problem with endless is one... they're expensive... two they're just assumed to work... three they're heavy. all these factors combined make me SO iffy on endless... i know the best use them... i know they're proven but they're not COMPAREd.... they're just assumed that oh they work for the endless car... they work for all evos. and they're like... 3000 for a front kit alone... for 3000 i can get the 4 wheel stoptech kit... :\ and save more weight to boot. i'm pretty sure they're good... it's just... i can't endorse it.

and don't get me wrong i love the endless evo... my favorite of all time! why? see those lil orange things peeking out of the bumper? that means you're serious about braking!

if you guys are interested in the best brake cooling.

http://www.racerpartswholesale.com/naca.htm
http://www.racerpartswholesale.com/duct.htm
http://www.otcevo.com/brakeduct.asp
http://www.timskelton.com/lightning/...ling_ducts.htm
https://www.evolutionm.net/forums/sh...d.php?t=122113

i'm particularly interested in the prospect of mist cooling brakes.

 

I was also thinking to upgrade my brake with Brembo or Rotora. But after seeing a lot of racing car still using stock brake but with better rotors, pads ect....

I changed my mine.

Unless you are a daily racing driver, go for Brembo BBK! can't go wrong with them. Or Rotora BBK

 

hahaha...
ok bro i just wieghted an endless claiper 6 pot and it weighed 8 lbs.. with the pads in there...
yup that is real heavy hahaha.
also... i think that if endless wanted to they could do comparisons w/ stoptech...
or other companies..
hell i'd like to see stoptech do a direct comparison w/ endless ...
cause it just shows shoptech comparing it w/ stock brembo's and other brembo's...

 

trinydex was talking about weight issues with rotors, I would like to see a comparison with them .

 

I've heard that almost all brake fluids boil under heavy breaking, leading to fade. I know Motul 600 is a great fluid but it can also lead to fade. The best one is supposedly Castrol SRF, this is what a lot of race cars use and has the highest boiling point of all fluids. It is also my no means cheap. Last time I checked it was $80 a bottle Yikes! .....
I honestly think stock brembos with better rotor and pads are the way to go, but if I were to upgrade I would probably go with Stoptech both F and R at the same time because balance is the most important thing with breaking.

 

also with braking....

 

balance is important which is why the stop tech front kit is matched to your stock rear. no need to worry about balance with stoptech.

all fluids boil... but i don't think i'v eever heard of anyone getting fade with any one performance fluid over another if they bleed often enough and if thye run an aggressive enough pad.

see the thing is... after you get strainless lines and stuff the fluid fade becomes less of an issue as long as you bleed and flush regularly. what becomes the real fade factor is pad fade.

pads are made to work within a certain temp range... and if you're gettin' 'em hot you need to shift that range upwards to be safe when you're at your performance's demand. however this means that when you're cooler than performance demand you'll get an extra hard pad that eats your rotor and possibly a condition where your pad doesn't stop as well because it's not as hot as it should be. so cold braking becomes a problem... on a daily driver... that's a pain not to mention possibly dangerous.

and the additional **** factor is, why not just run a street pad and heat the **** out of it... i mean you'll get minor fade when you've gotten them too hot... but at least it's predictable etc. well... do taht too many times and your pad brakes down faster or glazes over at which point in time it becomes almost useless. that's going through pads real fast... for no good reason.

 

LOL! that too ...

 

Stoptech by far. They offer greater break power than our stocks and weigh a bit less.