[lasstss]

Does anyone know what GM is using for an automatic? Im sure its not a 4L60.

 

[Ernest]

RPO Code is MXO Does that help?

 

[cerberus]

Automatic - 5L40-E

Gear Ratios
1st - 3.42
2nd - 2.21
3rd - 1.60
4th - 1.00
5th - 0.75
Reverse 3.03

Manual - Gear Ratios
1st - 3.75
2nd - 2.26
3rd - 1.37
4th - 1.00
5th - 0.73
Reverse - 3.67

 

[lasstss]

trans

Ah, that is a very nice first gear. I will have to check on the reputation of a 5L40. Not familiar with that one. Thanks