I have the 2010 Silverado 1500 LTZ w/ 6.2L everyone I spoke with said the T1000 would work current part u7194 version v.1r07d born 08/17/2010 when i try to choose my vehicle the 6.2L is not an option I called and spoke with tech suport and they told me to select the 6.0 and then I would have the ...