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changing brake disc

Hi guys I was wondering if you can help me with a query am thinking about.

What am thinking of doing if it is possible to change my brake disc on the front of my 147 2.0 TS from 284mm disc to 305mm on the original calipers or do I have to chage the cailpers to?

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I reckon you'll need different calipers, either that or adapter plates of some sort.
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(Post Link) post #3 of 7 Old 31-08-10 Thread Starter
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Which calipers would I need, had a look at the 147 GTA but they are 330mm.
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No you can't easily change from the std 284mm to 305mm discs.

Pre 2004 156/147GTA used 305mm discs with Brembo calipers and they crop up for very little on eBay because they don't fit to anything else easily!

Not a simple retrofit at all.

Someone in the upgrade lounge has used MiTo/Punto-Abarth Brembos on a GT with the 305x28 GTV/GTA discs and apparently those calipers fit straight on, but won't be easy to find s/h and you will be looking around 1000+ for a complete setup new.
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What problem are you trying to solve?

Decent quality discs and pads (properly bedded in), bleeding the system and making sure the calipers are all nice and free will make all the difference.
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Originally Posted by keithyboy View Post
What problem are you trying to solve?
Possibly the tough look.

As eluded to above, usually changing brakes of this manner requires new:
*steering knuckles with caliper mounting brackets: they may be different cos the GTA versions could be meatier, but I have not checked
*axles/hubs: could be larger diameter, due to different bearings, in keeping with GTA, so check
*brake discs
*brake lines
*wheels: I don't think there's enough clearance behind the Supersport wheels (if that's what you have) for the Brembo calipers

So do the research carefully, and do it properly. A place like Autolusso can probably help, as with Pud237, who have tackled such conversions.

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sorry for the major bump, only way to contact OP.

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brake , changing , disc

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