Just Fitted Vxt Cross Drilled Discs!
Started by
Guest_M17D VX (Guest)
, Apr 27 2003 03:13 PM
11 replies to this topic
#1
Guest_M17D VX (Guest)
Guest_M17D VX (Guest)
Posted 27 April 2003 - 03:13 PM
Not sure how many of you guys have done anything to your brakes.
Just spent this morning fitting the VXT Cross Drilled discs to my VX NA.
Been for a blast this aft and started to bed them in.
There is a noticeable difference and when I have done my standard pads (only done 4k) I will upgrade them to either Pagid or Mintex. Hopefully then the old VX will start stopping on a 5 pence!
Also the discs are vented so they stay a bit cooler and they look dam sexy too compared to standard.
Very well recommended upgrade!
Chris.
#2
Steve Crisp
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Billy No Mates
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Posted 27 April 2003 - 03:36 PM
Can I ask how much they were, Chris?
#3
Guest_M17D VX (Guest)
Guest_M17D VX (Guest)
Posted 27 April 2003 - 03:42 PM
Lets just say I live in Luton. Home of Vauxhall.
I also have plenty of friends who can get me Vauxhall discount.
I really wouldn't know how much they should be.
Sorry.
#4
speedyK
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Posted 27 April 2003 - 04:19 PM
May I ask what difference you notice?There is a noticeable difference
If I were buying a new VXT, I would specify cross-drilled to be sure to get the maximum. It's just that, especially since having the ABS upgrade, the standard N/A brakes themselves seem fine even on track. By that I mean that I have never experienced any suggestion of fade. The braking effect itself could definitely be improved. Some Porsche and Ferrari rear ends have been unnervingly close at times! The limiting factor to me seems to be the narrow width of the front tyres preventing better braking. So am wondering if swapping really makes sense. Are you saying that it actually stops better with the cross-drilled?
#5
Guest_M17D VX (Guest)
Guest_M17D VX (Guest)
Posted 27 April 2003 - 05:23 PM
I am not saying they have made huge, huge improvements.
I have come from driving an M3 evo 320bhp with huge Wilwood Cross Drilled and 6 pot callipers. Now that used to stop on a dot.
I guess the NA VX brakes are fine it's just I don't see any harm in trying to keep the back end of other cars at a controlable distance.
I drive hard and rely heavily on a good set of brakes.
There is a noiticable difference with the my new discs. However for maximum effect a good set of pads will cover the VX in any problems.
Chris.
#6
Chuck
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Posted 27 April 2003 - 06:11 PM
I would be v careful of cross-drilled discs especially as these aren't cast, plus you need to clean the holes out regulary.
I use to get lots of cracks, if you track day a lot and have carbon met pads they eat them.
Grooved are def better, and deglaze too.
#7
minime
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Posted 27 April 2003 - 06:34 PM
change the pads...... it will make a massive difference!! ask thorney!
#8
Thorney
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Posted 28 April 2003 - 08:37 AM
Yep, can confirm that - much more initial bite and at least on par with VXT Cross drilled set up. As soon as my VXT arrives I'll upgrade the pads - that should be all I'll need for track work toochange the pads...... it will make a massive difference!! ask thorney!
#9
Sicey
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Posted 28 April 2003 - 09:49 AM
Have you seen these discs from Germany, I cant see why they cant fit a VX even though their not listed in the VX section but are in the Speedster section.
I will have to ask if anyone over here has them fitted and how good they are.
http://www.moto-conc...p?item_id=15369
John.
I will have to ask if anyone over here has them fitted and how good they are.
http://www.moto-conc...p?item_id=15369
John.
#10
Guest_Guest (Guest)
Guest_Guest (Guest)
Posted 28 April 2003 - 11:00 AM
Yes. I've seen these and wondered too if anyone can report on how they are. They claim that their special treatment makes them very resistant to cracking. Claim that far better than Opel orig. euipment. They also recommend painting the parts of the disc that are not in contact with the pads with Hammerite.discs from Germany
Interesting to note that Pagid RS14/15 pads are not permitted for road use in Germany and thus certainly not in Switzerland too, but the Moto-Concept ones - as used on the MS-Design 2.2l Turbo S Limited - are.
#11
speedyK
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Posted 28 April 2003 - 11:04 AM
I think my browser - a beta version - is playing up! I was logged in above.
Of course the Speedster stuff must fit the VX too, IMO they've just not added it to the VX page yet.
#12
goofballs
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Posted 28 April 2003 - 12:52 PM
I would agree with the chap who mentioned that cross drilled discs normally end up with hairline cracks, and are not very resistant to a more aggressive pad setup (pagid carb/met mix).
The purchase of a cross drilled setup may be OK when using a lower friction pad, however, if you want to use a very aggressive race/road pad, the extra heat will take its toll.
If you look at the WRC car setup, they are normally grooved. I personally have the solid discs.
I have to agree with speedyk regarding the width of the front tyres being one of the main limiting factors, however if you were to introduce an aggressive pad, you will be able to modulate the breaking yourself to avoid lock-up. This will reduce the sensitivity of the braking feel, however the car will squat into it's braking position a lot quicker.
The biggest two limiting factors on the braking is the front tyres, and the softer setup of the suspension causing a diving effect (onto the skinny front tyres).
So to conclude, I shall be changing the pads alone, and after this I will probably be modifying the tyres (to the exige ones, if they are relatively good in the wet, on the road). Any further modifications will not be required unless I am looking at doing lots of track days.
cheers
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