Injector datas Some data of Bosch injectors:

178 cc is good for 138 hp, you can estimate the others with ratios.

Typical values:

The big question here is will they fit on an Alfa SPICA manifold. They are not threaded and stay in place with either a clip or bound by the fuel rail. An O-ring acts as a gasket on the injector nose, this has to be a tight fit. It probably is possible to fit L-injectors with very little machining. On the fuel delivery end there are two kinds: one have a small piece of hose to the fuel rail (Preferred for after-market installations) and the others are bound to fuel rail with clips.

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