Im diggin my 6 Speed Allison!!I would love to try that new 6 speed in a gas truck. Its gotta make cruising a lot lower. I hope they lowered the 1 st gear ratio since they can make up for it .
Im diggin my 6 Speed Allison!!
07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------
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