Jetting for Alfa Romeo Spider 105 series from Rosco

December 21, 2011

This jetting example submitted by Rosco, September 16, 2011.

Alfa Romeo Spider 105 series

Engine specs: 1750cc JE High Comp Pistons

Carbs: Dellorto DHLA40
Choke size 32
Main jets 145
Emulsion tubes 7772.1
Air correctors 170
Idle jets 52
Idle jet holders 7850.1
Pump jets 35
Aux. venturis 7848.1 ?
Needle valve
Float 7298.2 10g
Float level, fuel level 16.5 to 17mm

Keywords for this article:

  • alfa romeo spider jetting
  • alfa 105 series idle air
  • alfa dellorto carb tuning
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