I've also got an Alfa Romeo 155 Cloverleaf 4, which incidentally shat its turbo at the Ring today.....
Looking for info on what turbo to get, and a little upgrade would be nice. The Alfa forums aren't the best for info as so few of the cars were made!

It seems to run a Garrett tb0367. As well as the Alfa 155 Q4 its listed as standard fitment on the Delta Integrale Evo and Fiat Coupe as they have near identical engines.

Anyone know the actual specs of this turbo so I can compare against the others?

Thinking of:
Escort RST
Cossie 2WD
Cossie 4x4
Escos T34
etc....

Some background....
Can't really do over 300BHP on a standard bottom end on there (well so they experts say!). 190BHP standard, and running the usual chip at approx 1BAR they are meant to make 235BHP with the standard breathing.
Got a 3" pipe and decat on mine with a decent induction too. Feels like at least 250BHP anyway on the standard turbo.





4 bolt downpipe flange, but I'm hoping the elbow could be swapped easily enough?