Porsche BREMBO 4 pots for the CSL ? - Page 2

s.mac · 08-02-2010, 06:13 PM

Quote:

About the brake hoses... that's my next concern which I need to resolve

. Would U know the tread size & shape of the hose end, the bit that screw into the O.E. CSL callipers ? THANX for the continuing flow of info

BTW what's the exact size of the O.E. M3 CSL front discs (350 mm in diameter X 28 mm in thickness ???)

they are 345 x 28 fronts 328 x 28 rears

I have some OEM callipers in my garage if you need any pics of the fitments

mattCSLnut · 08-02-2010, 06:28 PM

Quote:

Originally Posted by 7.77

they are old style brembos, not sure they are ok with big size disc

absolutly not the same design as 996 onwards.

They are only "Old style" on the outside.. the PORSCHE logo being of a 3 dimensional type as oppose to later smooth finish with a white PORSCHE decal. Inside they take the same pad size 131 X 71 X 18

. They are NOT to be confused with the " BIG REDS " that U get on Porsche 928 GTS, 964 RS & TURBO + 993 TURBO which are 4 pots but bigger still.

mattCSLnut · 08-02-2010, 06:34 PM

Quote:

Originally Posted by s.mac

they are 345 x 28 fronts 328 x 28 rears

I have some OEM callipers in my garage if you need any pics of the fitments

That's very good of you to offer

but don't go out of your way, just for lazy old me

. Next time you're passing through the garage though, do take a few snaps

The Gorilla · 08-02-2010, 06:52 PM

Hi.

MattCSLnut- Your correct on the Calipers
regarding trailing etc.

Disc size you have, and at 345mm diam your at the
top spacing for those calipers.

If the calipers take a 30mm disc you
will fine on pad thickness as well
running a 28mm thick CSL Disc.

Most Brembo are metric [ie] M10x1 Male in,
convex into the calipers,
and at the other end will be M10x1
female concave, to take the hard line
from the car.

Regards,

The Gorilla.

DuncanR · 08-02-2010, 11:24 PM

Quote:

Originally Posted by mattCSLnut

These ... I'm either going to get the Performance Friction "Z" Track Day pads (same as I have at the moment ) or something from Pagid

Fook me Matt, size of those pads you will go through the windscreen when you hit the brakes !!

mattCSLnut · 08-02-2010, 11:34 PM

Quote:

Originally Posted by DuncanR

Fook me Matt, size of those pads you will go through the windscreen when you hit the brakes !!

Time I bought myself some Recaro seat and harnesses then

init gov

mattCSLnut · 08-02-2010, 11:42 PM

Quote:

Originally Posted by The Gorilla

Hi.

MattCSLnut- Your correct on the Calipers
regarding trailing etc.

Disc size you have, and at 345mm diam your at the
top spacing for those calipers.

If the calipers take a 30mm disc you
will fine on pad thickness as well
running a 28mm thick CSL Disc.

Most Brembo are metric [ie] M10x1 Male in,
convex into the calipers,
and at the other end will be M10x1
female concave, to take the hard line
from the car.

Regards,

The Gorilla.

The original disc size around which these Brembo calipers hanged around was 304 mm X 32 mm

. Now that 's one PHAT rotor. I wonder if I'm going to have problems with that ?

7.77 · 09-02-2010, 08:15 AM

Quote:

Originally Posted by mattCSLnut

The original disc size around which these Brembo calipers hanged around was 304 mm X 32 mm

. Now that 's one PHAT rotor. I wonder if I'm going to have problems with that ?

this is what i was talking about: 304mm vs 345 mm, i think they will not fit correctly

mattCSLnut · 09-02-2010, 09:31 AM

Quote:

Originally Posted by 7.77

this is what i was talking about: 304mm vs 345 mm, i think they will not fit correctly

Can U be a bit more elaborate with your comments pleeeez

The Gorilla · 09-02-2010, 10:39 AM

Hi,

MattCSLnut- I think 7.77 is making
a refernce to the ''Caliper arc''.

ie] As the diam of the disc increases
then the 'arc'' or ''radius'' of the
caliper is increased to accommodate the
increase of ''Pad area'' radius.

From a 304mm diam Disc to a 345 mm
is a 20mm increase in disc radius diam.

I think you will be right on the top edge
as previously posted.

You just need to offer a CSL Disc into
your bembo caliper and see how it fits.
Cut a strip of thick carboard, about 2mm thick,
28mm wide, by about 250mm long.

Place this on the edge of the disc and
then offer the disc into the brembo
caliper without pads, and you will see
what line the arc of the disc takes in
relation to the arc of the caliper.

The strip of cardboard acts as the
distance spacer, so that the disc is
in approx the correct position within
the caliper.

I think it will just about go.

Most calipers go 20/30mm +/-.

Try it and see but I think you will just
be ok.

Regards,

The Gorilla.

08-02-2010, 06:52 PM	#14
The Gorilla S5, Sport Off, DSC M-track Join Date: Apr 2008 Posts: 740 Casino cash: $14401	Hi. MattCSLnut- Your correct on the Calipers regarding trailing etc. Disc size you have, and at 345mm diam your at the top spacing for those calipers. If the calipers take a 30mm disc you will fine on pad thickness as well running a 28mm thick CSL Disc. Most Brembo are metric [ie] M10x1 Male in, convex into the calipers, and at the other end will be M10x1 female concave, to take the hard line from the car. Regards, The Gorilla.

09-02-2010, 10:39 AM	#20
The Gorilla S5, Sport Off, DSC M-track Join Date: Apr 2008 Posts: 740 Casino cash: $14401	Hi, MattCSLnut- I think 7.77 is making a refernce to the ''Caliper arc''. ie] As the diam of the disc increases then the 'arc'' or ''radius'' of the caliper is increased to accommodate the increase of ''Pad area'' radius. From a 304mm diam Disc to a 345 mm is a 20mm increase in disc radius diam. I think you will be right on the top edge as previously posted. You just need to offer a CSL Disc into your bembo caliper and see how it fits. Cut a strip of thick carboard, about 2mm thick, 28mm wide, by about 250mm long. Place this on the edge of the disc and then offer the disc into the brembo caliper without pads, and you will see what line the arc of the disc takes in relation to the arc of the caliper. The strip of cardboard acts as the distance spacer, so that the disc is in approx the correct position within the caliper. I think it will just about go. Most calipers go 20/30mm +/-. Try it and see but I think you will just be ok. Regards, The Gorilla.