[Free88]

Chevytech, thank you. I have the original build sheet for this truck. I just looked up the option code for the trans and it is MG5. Description calls it a Manual Transmission 5-speed (Getrag). It also says MM5 Transmission manual 5-speed Provisions (Merchandising Option) 5-speed M/Trans (MM5). Both numbers appear in the RPO Description Detail sheet. I do not know if this is helpful but I thought that i would post it as it differs from the ones that you listed. Any more help would be appreciated.