If you own a carbureted Lotus, Lancia, Alfa, or Abarth, the Dellorto Superformance Tech Book PDF is the difference between an engine that runs and an engine that detonates properly at 7,500 RPM . The explanation of emulsion tube selection (which holes to block with wire) exists nowhere else in print.
(also by Bob Tomlinson) for general performance tuning principles. Amazon.com current pricing for a used physical copy or more details on specific jetting charts The Dellorto Superformance Book, by Bob Tomlinson
You can keep the manual on a tablet or smartphone right next to the engine bay. Dellorto Superformance Tech Book Pdf
However, setting up multi-carburetor induction is an art steeped in black magic. While factory manuals tell you how to rebuild a carburetor, they rarely explain how to make it sing. For decades, a shadowy, out-of-print document has been the secret weapon of professional engine builders: .
High-resolution scans allow you to see tiny calibration marks on internal components. Core Tuning Concepts Covered If you own a carbureted Lotus, Lancia, Alfa,
For extreme V8 applications (think small-block Chevy with four Dellortos), the book contains a rare supplement on plenum volume calculation and the "standing wave" effect, explaining why longer intake runners kill Dellorto signal strength.
While the manual is comprehensive, its application is somewhat niche: Amazon
For classic car restorers, vintage motorbike racers, and carburetor purists, few names command as much respect as . The Italian manufacturer’s side-draft and down-draft carburetors (specifically the DHLA, DRLA, and SS series) have powered some of the most iconic high-performance engines in history—from Lancia Stratos rally cars to Alfa Romeo twin-cams and air-cooled Porsche 911s.