Re: Injection History

[Godfrey DiGiorgi <ramarren@domain.elided>]

I had the dubious honor of having been a mechanic for a while in the 
middle '70s and had quite a number of jobs working on cars fitted with 
the early Bosch Jetronics of that day. With all due respect to the later 
versions of the Jetronic injection apparatus, the mechanical SPICA system 
that Alfa used was much higher performance at the time, and managed to 
stay clean enough to produced very nice power for quite a while.

The Italian EFI system I'm most familiar with is the Weber-Marelli unit 
fitted to Ducati and Moto Guzzi motorcycles. It had its start for some 
Ferrari or Alfa Romeo turbocharged race car and was adapted to the 
motorcycles extremely successfully. It's a fully mapped system with a 
very high degree of precision, and has proven to be extremely reliable in 
use for 12 years now. 

Performance wise, it blows the doors off the old Jetronic that the BMW 
K-bikes were fitted with, and is still a bit higher performance than the 
much more expensive Bosch Motronic.

Godfrey

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