7figure 5, Rpo number into rear axle ratio – Banks Power GM Motorhomes: (Gas ’01 - 10 8.1L Workhorse) Programmer- Ottomind Programmer '99-07 Chevy-GMC 4.8L, 5.3L, 6.0L, 8.1L Trucks '01-07 Chevy-GMC 8.1L WorkHorse Class A Motor Home User Manual
Page 7
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96343 v.6.0
7
Figure 5
Axle Ratio from RPO number
RPO Number into Rear Axle Ratio
RPO #
Rear Axle Ratio
RPO #
Rear Axle Ratio
GT4
3.73 (DUP with 5x1)
GM3
3.45
GT5
4.10 (DUP with GT8)
GM4
3.67
GT7
3.33
GM5
3.89
GT8
4.10 (DUP with GT5)
GM6
4.22
GU2
2.73
GM7
3.68
GU4
3.08
GM8
2.56
GU5
3.23
GN9
4.11
GU6
3.42
G44
3.07
GU7
2.77
G84
3.70
GU8
3.90
G90
3.15
GV2
5.83
G91
6.83
GV9
4.25
HA5
4.625
GW6
3.27
Hc2
4.27
GW9
2.93 (DUP with GU3)
Hc4
4.56
GX5
3.53
Hc7
5.13
GY2
4.30
Hc9
5.125
GY4
4.53
HE3
3.07
GY9
4.31
HF7
4.56
GH0
3.54
HF8
4.88
GH1
3.55
HJ1
4.55
GH7
2.73 (with disc brake)
HJ2
5.857
GJ1
5.38
HJ3
4.75
GJ2
5.13
HJ4
6.50
GK7
4.78
HJ5
5.571
GK8
4.33
HJ6
4.78
GK9
4.63
HJ7
4.875
GL0
5.13
HK3
6.143
GL3
6.17
G80
Positraction Limited Slip
GM1
2.59
G86
Limited Slip
GM2
3.44
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