Join Date: Jul 2011
Location: Cologne, Germany
MY90 spiders (sometimes called S3.5 series) had the S4 engine, yes, but the rest of the engine bay in the spider above (anciliaries et al) is pure S3, so MY89 or earlier.
A series S3.5 engine bay is identical to S4, except it has no power steering box and no airbag sensors.
Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.