GavinP

I have read in an undisclosed magazine (alright, it was Max Power - sorry!) that Tarox are now producing calipers with ten pots.

Does anyone have the 6-pot variety and what do you think ?

I have 17" Speedline Chronos (with the 55 offset) so MY99 brakes are out. Scoobysport do a Brembo kit which has smaller discs and is about 50% more expensive - has anyone tried both ? I haven't enquired about AP brakes behind my type of wheels yet.

I'm also not keen on discs with lots of grooves on so can you have Tarox calipers with the "Sport Japan" (drilled with a few grooves) items ?

I know that the number of calipers is not an indication of braking power but I did find it interesting...

Who's going to be the first to produce 12 pot brakes ?

Thanks

Gavin

(several pistons short of a full load....)

johnfelstead

what is the point in producing 10 pot calipers?

The only thing i can see it doing is reducing the stiffness of the caliper body, which will make the brakes worse.

When F1 banned barillium brake calipers in 98 the lap times went up by almost a second, that is that the cars were slower round the track.

This was due entirely to the reduction in stifness of the caliper body.

F1 cars use 4 pot calipers with relatively small disks, 13" wheels remember.

Indy cars use 4 pot or 6 pot calipers on 15" wheels.

Super tourers use 6 pot calipers on 17 and 18" wheels, that should tell you the score on these 10 pot jobbies, as penni may say "stiffness counts"

If AP and Brembo dont bother in the world of high tech motorsport, why should you?

Area 52 Autosport

Hi Gavin

The Impreza is famous for having poor brakes in comparison to its performance. The TarOx kit will offer a significant improvement for you and you will notice!

However, if you intend to do any track days then you really will be better waiting another month and having saved enough, buy the AP kit or Brembo kit.

If you call me I will explain why the AP kit is the best!!

Incidentally, drilled is not as good as grooved for heavy use as drilled weakens the disc. When specifying our kit with AP we explained what the car had to do and hence they explained how drilled won't suffice and they designed a disc for us that uses the Indy car castings.

In the Porsche, Lambos etc they use drilled for cosmetic reasons.

Laters

Ben

johnfelstead

Hey J,

I will have to remind my mate to get his drill out next time he is strain guaging an airbus

firefox

Just to be awkward...

Drilling can also be used to release inbuilt stresses...

Its a technique used in metallurgy when strain gauging a material..

J.

johnfelstead

i can confirm what ben says on the drilled disk thing.

I had a set of crossdrilled disks on my cossie. I managed to split one front and one rear at donnington after giving the car some serious stick.

the drillings act as stress raisers basically.

We always run 6 or 8 grooved disks on the race and rally car, proper AP racing ones with alloy bells.

GavinP

Thanks for the replies.

I was suspicious when reading about them that it was to cater for the "more calipers = better" crowd - I think most people on the BBS are a bit beyond that...

I was looking at the Tarox kit specifically because it will fit behind 55 offset wheels without using spacers. The six pot kit is also much cheaper at £1050 inc. VAT approx. depending on supplier.

At the moment, I have "mildly" uprated brakes - standard size Black Diamond drilled/grooved discs and Mintex 1155 pads in 94-96 WRX calipers. I also have the MRT brake bracket fitted. This has improved the standard "poor" braking significantly...

But I have two issues with my current set-up - the "grating" noise when braking hard (which I imagine would be worse with more grooves) and the discs are looking rusty outside of the swept area (they are 3 months old!)

Ben: Do you/AP do a kit which will fit 55 offset wheels ?

Thanks

Gavin

Area 52 Autosport

Hi Gavin

The spoke design is really the critical thing. What wheels do you have? Our kit has been designed to fit behind the standard 16" wheel.......

Kind regards

Ben

GavinP

Ben,

I have 17" Speedline Chronos (aka Superturismo) which have double-spokes.

They are notorious for having very little clearance for calipers.

Thanks

Gavin

Area 52 Autosport

Gavin

If they are the wheels I am thinking of you won't even get 99MY calipers behind let alone TaRox or APs.

O.Z Super Turosmos at £146.21 may be the solution for you or others but the spoke profile must be checked first. We can help you with this in the form of a template you can use on your chosen wheels. The O.Z are ok with even the 6 pot APs without mods to widen track. There will be plenty of demand for your existing wheels should you choose to sell them.

Give me a call Gavin I can cover a lot more ground more quickly.

Disc size on the 17" wheels is 334mm.

Laters

Ben

[This message has been edited by Scooby Mania (edited 12-02-2000).]