Service Information sowing 2 manual transmissions for G8 ….

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Aisin AY6 Maximum engine torque: 345 Nm (255 lb-ft)
M6 for 3.6?

Yer, well the Aisin AY6 is the gearbox in the SV6 in Aus so one can only assume a manual G8 sedan may be on the way?

that should help the sedan guys... put a little pep in the g8 step.

That's the tranny in the CTS, in which M6 is available with both engines, the 3.6 of the G8, and the DI 3.6 teh G8 shoulda had in base trim. The GXP is Tremec, same as 'vette.