Brake upgrade options...
Brake upgrade options...
Author
Discussion

TT Tim

Original Poster:

4,168 posts

277 months

Friday 18th April 2008
quotequote all
...so, the next thing on my list is a brake upgrade.

I have rebuilt the standard 4.2 set-up and they seem very good, however I did experience severe brake fade on a recent track day, I need to investigate this as it may be due to issue with the wheel hub running out of true rather than the brakes themselves.

However, it's got me thinking. scratchchin

There must be plenty of people out there who've been down this route.

What's the biggest/most efficient set up, I know those two may not necessarily be the same. What are the options re: bells, disks, calipers makers etc?

I'm running RL17 so they must fit under them, as that's what I'll be running for at least the next couple of seasons.

Many thanks

Tim

touching cloth

11,706 posts

269 months

Friday 18th April 2008
quotequote all
I got Andy to upgrade me to 4.5 spec brakes, some 4.5 callipers were needed (got Jonny's old ones since he moved to 6 pots) and I then had Tuscan S one piece disk rather than having to source bells for rotors. Andy then made up (or had lying around) an adaptor to space the callipers out properly. It's not the ultimate track spec by any means but a nice easy and relatively cost effective upgrade path and a definite step up. The Tuscan disc is 323mm from memory - With more wonga think you can go out to a 330 or even 335 but that I think means, bells/rotors, more spacing and more expensive discs (I assume). Andy can also supply the same 6 pot set that has gone on to Jonny's car (he was trying to get me to do that) but it's pretty pricey and would have been way overkill for my needs.

Edited by touching cloth on Friday 18th April 10:58

trackcar

6,453 posts

256 months

Friday 18th April 2008
quotequote all
Ive never understood the reasoning for going to 6 pots for even track day use except for pose value through the wheel, in fact we cope on our T350 very well with 4 pots and 330mm discs and we have very good aero so we're generating way more braking/tyre effort than you would ever do on a road/track day car. 4.5 4 pots, alloy bells, 330mm discs and decent pads is all you should ever need.

Toadusmodus

693 posts

311 months

Friday 18th April 2008
quotequote all
I would have guessed that TYPE of pad, disc (vented/drilled etc) brake fluid and lines would make more of a difference to fade. And size of disc/pads and number of pistons would effect overall braking force?? Then again, I am basing that on no technical knowledge what so ever!

touching cloth

11,706 posts

269 months

Friday 18th April 2008
quotequote all
Toadusmodus said:
I am basing that on no technical knowledge what so ever!
Oi do you mind, that's my niche your stepping on biglaugh

ceejay

1,287 posts

284 months

Friday 18th April 2008
quotequote all
I have Joos (Trackcar)330mm grooved brake upgrade on my 4.5 cerbie with track day biased pads. I works really well, so well in fact that I specced exactly the same set-up on the T350R racer. The alloy bell / seperate disc is also lighter than the one piece disc so you win twice.

TT Tim

Original Poster:

4,168 posts

277 months

Friday 18th April 2008
quotequote all
Thanks for the replies, I had wondered who had John's calipers. biggrin

Joolz, I think you're talking the way I was thinking. biggrin Can you email me prices please.

Thanks

Tim

itsallyellow

3,879 posts

250 months

Friday 18th April 2008
quotequote all
On the road cerb i have Trackcar's 330mm discs with the standard 4 pot caliper. On the race car.... Yep you guessed it! Exactly the same but with race pads. Definatly the best way!!

Mike