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Author Subject: 406 V6 Discs Vs Ash's 310mm
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #26
they are 6.5" J and the same ET12 offset, so they'd possibly have about ¼ of an inch less clearance, can't say for definite as I've never tried them, you may be lucky with them if you're using C5/Xantia discs and 406 brembo calipers.

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Posted 14th May 2010 at 00:30
gti_shane

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Registered: 05 Jun 2010

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Post #27
Anyone happen to know if this 310mm setup would fit a 106 gti as 306 gti brakes fit straight onto a 106. I have 406 brembos on my 106 at the moment but wanted something different as its become a popular upgrade on the 106 oc

Many thanks
Posted 5th Jun 2010 at 21:18
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #28
as long as you have big enough wheels yes.


immense overkill though!

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Posted 6th Jun 2010 at 00:20
rallyestyle

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Location: London

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Post #29
welshpug! wrote:
as long as you have big enough wheels yes.


immense overkill though!


You dont know what he has under the bonnet Unsure

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Posted 6th Jun 2010 at 00:27
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #30
rallyestyle wrote:
welshpug! wrote:
as long as you have big enough wheels yes.


immense overkill though!


You dont know what he has under the bonnet Unsure

Engine power is largely irrelevant in the context of what braking power is needed. It's the vehicle's mass you need to decelerate and the power levels of the engine won't affect that (unless it's a transplant obviously, but even then the weight change is negligible).

You only need to consider brake upgrades if the standard equipment doesn't suit your driving style or if the vehicle's top speed has been significantly increased.

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Posted 6th Jun 2010 at 03:55
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #31
precisely Smile

just to highlight, the Citroen C2 R2 max and quite a few of the Saxo and 106 S1600 rally cars ran 315mm brembo's, alcons or AP's, as well as being balanced with a set of 260mm 2 pot rear's.

but these cars are 200-230 bhp very short ratio'd cars, and give the brakes an absolute hammering every single stage.

bear in mind that these cars have remote rest dampers and sticky tyres, as well as proper plate LSD's, so the time the tyre is in contact with the ground and the grip they have so much higher than a road car could dream of.


stick these on a 106 road car and you'll end up locking wheels everywhere.

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Posted 6th Jun 2010 at 04:03
lotek

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Location: Berkshire

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Post #32
106gti callipers are more than up to the job on a 106 with decent pads. Yes

gti6calipers make them lock up at every opportunity
so brembos would be ridiculous....

if you want some info on 106 brakes google and phone jtech in reading they had a race 106 they ran. and will put you straight when it comes to 106 brakes.
putting brembos on it will be purely for show .
Posted 6th Jun 2010 at 07:06
gti_shane

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Location: sWINDON

Registered: 05 Jun 2010

Posts: 2

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Post #33
Thanks for the imput guys. I still wanna try this as the squeel from my 406 brembos annoys me and i would like something different to the other 106's on the 106oc even if its not so obvious. Where should i be looking to get the 310mm discs for this conversion? Thanks again
Posted 7th Jun 2010 at 03:46
dented_vts

Regular

Location: london

Registered: 23 Feb 2010

Posts: 440

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Post #34
Rich E wrote:
rallyestyle wrote:
welshpug! wrote:
as long as you have big enough wheels yes.


immense overkill though!


You dont know what he has under the bonnet Unsure

Engine power is largely irrelevant in the context of what braking power is needed. It's the vehicle's mass you need to decelerate and the power levels of the engine won't affect that (unless it's a transplant obviously, but even then the weight change is negligible).

You only need to consider brake upgrades if the standard equipment doesn't suit your driving style or if the vehicle's top speed has been significantly increased.


A bit of a contradiction:

"Engine power is largely irrelevant "

yet,

"or if the vehicle's top speed has been significantly increased"

how else do you increase the top speed without increasing engine power! he he
Posted 7th Jun 2010 at 04:23
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #35
Weight removal? Gearing? It depends what's at the limit when top speed is reached.

The point I was getting at is that you'd upgrade the brakes because the car can now travel a lot faster not purely because you now have a lot more power.

Would you need to upgrade the brakes if you had 400bhp but your gear ratios only allowed a top speed of 100mph?

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Rich
Posted 7th Jun 2010 at 04:42
dented_vts

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Post #36
Rich E wrote:
Weight removal? Gearing? It depends what's at the limit when top speed is reached.

The point I was getting at is that you'd upgrade the brakes because the car can now travel a lot faster not purely because you now have a lot more power.

Would you need to upgrade the brakes if you had 400bhp but your gear ratios only allowed a top speed of 100mph?


i was being silly. All depends on use, what sort of tracks racing etc. Its once the weight goes up stopping become more difficult
Posted 7th Jun 2010 at 04:59
spiky

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Post #37
application is a big factor too

500hp cossie for the road would only need 4pots

500hp cossie (same gearing as road car) but used on track would need 6 or even 8 pots

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Posted 7th Jun 2010 at 13:21
adam b

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Post #38
spiky wrote:
application is a big factor too

500hp cossie for the road would only need 4pots

500hp cossie (same gearing as road car) but used on track would need 6 or even 8 pots



Depends on the calipers as well, more pots doesn't mean better braking. Porsche Cayenne Turbo 6 pots are far, far better than Tarox 10 pots with the same sized disc. Wink

I have upgraded mine on a road car and even with everything else standard (cept the wheels obviously) I would thoroughly recommend the setup. There is a big, big difference.

As a rule i've never found standard Peugeots to be badly under braked or have poor Peugeot pads. The only one I can really think of is the 406 saloon/estate V6 which has the same fronts as my 1.9 dTurbo 406. Slightly scary on something 200kgs heavier than a 6, but quicker and faster too... Shock

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Posted 7th Jun 2010 at 14:14
spiky

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Post #39
sorry, on my example i was only thinking of AP

my bad

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Do you need a 205 > 306 gti6 plug and go engine loom? PM ME

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MY YouTube Videos'

SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP Smile

268+BHP and 860kg = FUN
Posted 7th Jun 2010 at 14:16
spiky

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Post #40
agree totally on caliper make though Big grin

________________________________________

Do you need a 205 > 306 gti6 plug and go engine loom? PM ME

TORQUES for all your braided fuel line needs

MY YouTube Videos'

SUPERCHARGED 205 GTI6.... are you Fooking nuts!.... ummmm YIP Smile

268+BHP and 860kg = FUN
Posted 7th Jun 2010 at 14:17
adam b

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Post #41
spiky wrote:
agree totally on caliper make though Big grin


Big difference on the RS brembos versus the 406 ones as well. Quite a bit lighter with a bigger pad area. Didn't measure the piston size on them though.

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Posted 7th Jun 2010 at 15:57
phillipm

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Post #42
adam b wrote:

As a rule i've never found standard Peugeots to be badly under braked or have poor Peugeot pads.


Bendix aluminium calipers with solid discs on the front of mine as standard - if you were 5 up heading downhill you had both feet on the brake pedal!

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Posted 7th Jun 2010 at 16:02
adam b

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Post #43
phillipm wrote:
adam b wrote:

As a rule i've never found standard Peugeots to be badly under braked or have poor Peugeot pads.


Bendix aluminium calipers with solid discs on the front of mine as standard - if you were 5 up heading downhill you had both feet on the brake pedal!


Realistically though Phil you wouldn't have made it up the hill 5-up to start with..Whistle

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Posted 7th Jun 2010 at 16:25
phillipm

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Post #44
LOL

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Posted 7th Jun 2010 at 16:30
tvrfan007

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Post #45
adam b wrote:
spiky wrote:
agree totally on caliper make though Big grin


Big difference on the RS brembos versus the 406 ones as well. Quite a bit lighter with a bigger pad area. Didn't measure the piston size on them though.


Twin 40's versus 38/42 in the 406 iirc.

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