[Supras] stock brake rotors

Sat Apr 12 15:18:04 CDT 2008

These are the Raybestos ST-41 (front) and ST-42 (rear) RACING PADS. They are
$400 for a complete set and have to be custom cut. The only draw-back I have
found to using them on the street is the tendency to squeal once and a while
under slow gentle braking. Perfectly quiet under the hard braking that they
are design for. I still haven't committed to using them on my DD, but I do
commute to and from the track with them with a big smile on my face.
Sometimes the smile ranges from a week before to a week after an event when
I leave the race pads on the extra time.

Ken

-----Original Message-----
From: Bob [mailto:bob at hairballcreations.com] 
Sent: Saturday, April 12, 2008 3:31 PM
To: 'MyBlinkie1'; 'Khalid Almufti'
Cc: supras at supras.com
Subject: RE: [Supras] stock brake rotors

What model Raybestos pads were you using... my dd needs pads soon and the

current pads are covering the rims with an unbelievable amount of dust

Bob

-----Original Message-----

From: supras-bounces at supras.com [mailto:supras-bounces at supras.com] On Behalf

Of MyBlinkie1

Sent: Saturday, April 12, 2008 1:13 PM

To: 'Khalid Almufti'

Cc: supras at supras.com

Subject: Re: [Supras] stock brake rotors

You will love the additional fact that these Raybestos pads produce a

surprisingly small amount of brake dust. I personally recommend losing the

hard lines if you're doing a lot of pads swapping, like I think you will be.

My hard lines simply couldn't take all of the flexing that occurs during the

changing of the pads and started leaking in the rear. Furhtermore, when I

went back to the stock hoses, I honestly could feel NO DIFFERENCE between

the SS braided and stock rubber hoses. More marketing BS? 

Ken

  _____  

From: Khalid Almufti [mailto:kalmufti at yahoo.com] 

Sent: Saturday, April 12, 2008 11:32 AM

To: MyBlinkie1; Walker, Brian (Rich. Dist); Jeff Mohler; supras at supras.com

Subject: Re: stock brake rotors

Thanks for your advice Ken, and I will bite the bullet and buy front and

rear pads.  For my past events I have been using Axxis pads and these worked

ok, but due to reasons similar to yours, I keep them on and kept driving

daily!  That was a mistake, and the end result was the rotors got eaten up

and I could feel the effect in reduced braking performance.  I measured the

rotors, and I am at 0.840" thikness, which is above the limit by 0.013".

Since those where relatively new rotors, I am disappointed to the extent

that I am now switching to another pad (I was advised to remove the pads,

but ignored it).  I actually don't think the Axxis pad where bad, it's just

that they do eat up rotors and produce tons of dust that does stick to the

wheels ("painted" my 5zgens black).  So now, I am sort of starting from

scratch on my braking system with new, different type, pads and rotors,

stock given the feedback from Jeff and Brian.  The car has hard brake line

so I think I should have a decent setup for track events.

Regards,

/Khalid,  90T

----- Original Message ----

From: MyBlinkie1 <myblinkie1 at bellsouth.net>

To: kalmufti at yahoo.com; "Walker, Brian (Rich. Dist)"

<Brian.Walker2 at VDOT.Virginia.gov>; Jeff Mohler <speedtoys.racing at gmail.com>;

supras at supras.com

Sent: Friday, April 11, 2008 11:05:01 PM

Subject: Re: stock brake rotors

Regarding the ST-41/42 pads, be sure to GET THE REARS TOO! I know it is a

lot of money, but there is no comparison to just doing the ST-41's in the

front. With the 41's up front and 42's in the rear, our big ole' heavy

MKIII's actually feel light and agile under braking. The brake pedal will

seem very responsive with the slightest application of the brakes and the

car will nose over hard with moderate pedal pressure. The rear of the car

almost twitches like a mild hand brake feel when braking hard on the track. 

How do I know the ST-42's in the rear are sooooo important. Well, I had a

few NASA events where I only had time to change the rears out for my daily

driving for the following week. So I put my Porterfield R4S's in the back

and left the ST-41's up front. At the first stop sign by my house, I thought

there was something wrong with the brakes. I had gotten used to the

responsiveness of the combo and was SPOILED. Actually the week after every

event is rough for me, because each time I don't want to take the track pads

off. One of these times, I will bite the bullet and leave the Raybestos pads

on permanent. Daily driving and all! The car is so much SAFER with these

pads on..even totally cold!

Ken (NASA Florida Region - HPDE 3)

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