MARELLI Distributor Advance & Retard Specifications

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

4387796⁽²⁾

12.4

15.8

.....

1000

1800

2500

3000

3500

.....

4430224⁽²⁾

15.8

20.5

.....

1000

2000

3000

4000

5200

.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

⁽²⁾	FIAT part numbers.