360 Modena gear box manual - All Ferraris

Gears Gear ratios Final reduction ratio
(engine rpm/wheel rev.)
1a 46/14 = 3,286 14,603
2a 41/19 = 2,158 9,591
3a 37/23 = 1,609 7,150
4a 33/26 = 1,269 5,641
5a 30/29 = 1,034 4,598
6a 28/33 = 0,848 3,771
RM 41/16 = 2,565 11,389
Bevel gear differential ratio: 40/9 = 4,444
Gearbox features
End float:
– main shaft neutral gears 0.10÷0.30 mm
– lay shaft 1st and 2nd speed gear 0.15÷0.25 mm
– between seeger and lay shaft bearing, on the plate 0.03÷0.05 mm
– Reverse idle gear 0.125÷0.325 mm
Backlash 0.08 mm
Pinion bearings' rolling torque 1.5÷2.3 Nm (before assembling on
housing)
Interference of double gear assembly on lay shaft:
– 3rd and 4th 0.04÷0.06 mm
– 5th and 6th 0.03÷0.05 mm
Gearbox/differential rolling torque Engaged Rolling torque
(detected on clutch shaft with completely gear [Nm]
assembled gearbox): from to
N 0,6 0,8
1st 1,8 2,1
2nd 2,5 2,7
3rd 2,8 3,4
4th 3,6 4,5
5th 4,4 4,8
6th 5,7 6,2
Reverse 2,7 3
Clutch Specifications
Brand VALEO
External diameter of gasket 247 mm
Internal diameter of gasket 165 mm
Thickness of clutch disk loaded (7400N) 8,3 ± 0,3 mm
Clutch disk wearing limit 0,8 mm