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Giulietta24vTT
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Post by Giulietta24vTT »

gtv11636,
on the Lancia Thema original 15" alloys with the same offset as the Campagnolo wheels of the GTV sit 284X22mm rotors.
There is no doubt that on a e 4cyl GTV equiped with Campagnolo wheels these rotors will fit (with some milling of the center bore)
- on the Transeaxle cars as you know the discs are mounted from the inside of the hub,thus allowing some extra clearance,284's are definately the choice for you , and also come with 4X98 pattern and 22mm thickness that can be matched to a V6 Transaxle car's front calipers.
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Post by gtv11636 »

Already Knew that 284 mm from Lancia \ fiat will fit, just tought maybe someone managed to fit something larger on campagnolo original 15 rims.
BTW - The Idea was to put not only larger rotors but also 4 pot Brembo calipers.
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Giulietta24vTT
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Post by Giulietta24vTT »

gtv11636 wrote:Already Knew that 284 mm from Lancia \ fiat will fit, just tought maybe someone managed to fit something larger on campagnolo original 15 rims.
BTW - The Idea was to put not only larger rotors but also 4 pot Brembo calipers.
No problems at all as a small type 4 pot brembo calipers with a radial mount (such as Lancia Evo2 fronts) will take even less radius room than the 2 Pots Brembos V6 setup or a 1 Piston Gerling Caliper.
You can also use a spacer in between the disk and hub to gain some extra room if needed ,the inner you get on the wheel's profile-the more room you have, just beware of the front anti-roll bar and the hub's arm of course :wink: , btw the 4X98 284 discs are around 10mm lower in offset then the non vented 4cyl alffeta ones....
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Post by gtv11636 »

if the only problem is the 10 mm ofset then no problem at all, but i think it should be reshaped to fit.

If the 4 pot calipers takes less room then maybe I can use even larger rotors ? say 305 for exemple ?
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Post by Giulietta24vTT »

gtv11636 wrote:if the only problem is the 10 mm ofset then no problem at all, but i think it should be reshaped to fit.

If the 4 pot calipers takes less room then maybe I can use even larger rotors ? say 305 for exemple ?
You can use 305mm rotors but without spacers for the wheels they will not fit (I tried when I had the 15" routa wheels )
For the 284mm(or 305mm Fiat Coupe 20V TURBO rotors) you will need to mill the center bore to a larger one and cut 45* phase on back of the center hole (copy the alffeta disc-hub center pattern),5 minitues work at a CNC\Machinery/milling shop.
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Post by gtv11636 »

I DONT LIKE THE BORE INLARGMENT IDEA :roll:
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Post by Barry »

:?: :?: :?: Why the heck not?????????
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Post by gtv11636 »

BALANCE AND weakness
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Post by Micke »

If you cannot handle this then it's really better to stick to the OE or strict bolt on (GTV6/75 TS/V6/turbo) stuff. No sarcasm - just fact.
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Post by Zamani »

Tomer,

I hope you are joking with your statement.
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Post by gtv11636 »

Why Joking zamani ? dont you think those are two important issues ?
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Post by Zamani »

For my Supra rotors, I enlarged the bore by a few milimeters with no ill effects. Not really an issue if you want to bore it out a little.
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Post by la_strega_nera »

Because the centre bore of the disc is the *least* stressed part!
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Post by Mats »

It's not even stressed once you torque the wheel down, it's only there for centering the disk.

Ever seen an aftermarket rim with plastic centering ring? :wink:
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Post by gtv11636 »

Ok
And what about Balance ? doesnt it effect on wheel Balance ? Did you Do it with home tools or at a shop ?

p.s
no Mats, didnt see such ring :shock:
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