Truck Sounds Like Its Gargaling

[HuntD]

My Truck Is Making A Gargling Sound And Vibrating As If Its Not Downshifting. I Have Dave's Full transmission Plus Billet Shafts Do You Think This Is The ELECTRIC SHIFT DAVE SAYS HE HAS BEEN HAVING PROBLEMS WITH THEM FINDING THE GEARS











05 2500 4X4 SLT,BLACK, 48RE

Goerend Brothers transmission with full Billet,

AFE STOCK REP.

MBRP EXHAUST,CAT DELETE

BULLYDOG TRIPLE DOG,

DIPROCAL OPTIX GAUGES,

STYLINMOTOR 4PLY RED BOOST HOSES Electric Shift Or What?