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No trickery with a lockup switch, only modification to the truck is 50hp S&S injectors and custom tuning on the engine and transmission with UDC Pro RT on a Smarty Touch, 2nd gear lockup engaging in Drive!  No BS here on this one, true 2nd lockup in drive commanded from the ECM.469974582_48RE2ndLockupinDrive.png.c8032733d1a5f7656cc057919a25e7f0.png594784056_48RE2ndLockupinDrive2.png.e678e09396ad1d8f51ea87429a94ded2.png

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