Bad_Byte
Enthusiast
I'm making the assumption that the GTS is similar when looking from under it. You have to remove the shield to see both the drain and fill plugs. There is a shield that has about 14 bolts holding it in place. remove that and you can easily find the drain and the fill plugs. The trannys are the same T56 model for all vipers as I understand it and mine calls for 4 qts (a little less I found of Dextron IIE)
Hope this helps.
Hope this helps.