Chris - you may also want to post on
Redirecting you to the new Spyderclub Portal... and
SpyderOwners - 550 spyder replica / kit-car enthusiasts club. - everyone there is into the spyders and a few may have experience with the Alfa engines, though most are either VW type 1, type 4 aircooled, or VW/Audi and Subaru watercooled installs.
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RickJ