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Lesser Milanos (75s), which share brake components with the GTV6, were supplied with 14" wheels.
right. 2L TS 75 had front vented discs with alloy Brembo calipers under 195/60-14 wheels. Just have this setup! (not 100% sure, but spindles should be the same on all alfetta derivatives; at least, they are interchangeable)
 

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So if I am understanding correctly the 2L Euro 75 Twinspark used a 4x98 offset with 4 lugs and a 14" wheel?

If correct, I assume a stock early Alfetta ATE caliper could be used with a spacer added with the 2L Euro 75 Twinspark vented disc brakes? In addition the 75/Milano aluminum Brembos from the 2L Euro 75 Twinspark will work, but did Alfa use spacers in these calipers as well to get the vented rotor to work?
ts used a 5 x 98 bolt pattern. I cannot say if the disc/caliper is a direct swap, but probably yes, ast the lugs are fitted to the disc itself and the overall height of the discs is unchanged.

this is the drawing of the non-vented disc

Brembo | Aftermarket Catalogue

and this is the vented one

Brembo | Aftermarket Catalogue

since the calipers fitting point are of course on the inner side of the disc, if you add a spacer it will results in the outer half caliper moving outer. The only risck can come from the OD, but if it is a problem I think that any machine shop can put it on a lathe...

Just change the rims, there are plenty of them there out! :)

hope it helps
 

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Thanks. A 5 bolt stud is not going to work for a Alfetta 4 hole 14" wheel ufortunatly.
it's exactly what I said, but I edited the text after you red it: you need to change the rims. But if you opt for original ones is not difficult to buy cheap ones.

but you can fit also custom vented discs from Romeo Racing, near Milan, Italy.

http://www.romeoracing.it/Listini/KIT_FRENI_VENTILATI.htm

alfetta tt (tutti i tipi - all models)

picture of items

http://www.romeoracing.it/Foto/FotoVarie/IM000536.JPG
 

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The guy you bought from and Romeo Racing are not in the same city (about 100 miles distance), but the kit maybe come from the same supplyer. Anyway prices are quite different in favor of Romeo.

Yes, calipers for vented discs are the same used on non-vented discs enlarged with a spacer. Kits are like this: http://www.romeoracing.it/Foto/FotoVarie/IM000536.JPG , and should be cheap.

Anyway if you find a couple of Brembo calipers from a Milano or GTV6, they are made of aluminum and therefore much lighter. I have a couple and can whitness that difference is enormous.
 
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