The new CTS is going to have the same 3.6L engine we have now but in both the VVT and Direct injection. My question is, how hard would it be to convert an older VVT engine to the new 300hp direct injection model? What parts are involved? Would it be just intake and PCM?
New heads, new intake, new injectors, new wiring harness, new fuel rail, addition of a high pressure pump. Depending of the vintage of the original engine you may also have to replace the cams, cam phasors, and entire timing set. Pretty much everything from the block up.
Ill just get my headers and dyno tune and crush any direct injection CTS!
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Mod list: 18" Sport CTS wheels, Dunlop Direzza Z1 Sport 245/45/zr18 Tires, Eibach lowering kit, FE4 Shocks, V sway bars, STB, Modified Volant CAI, Goerlich high flow cats, 2.5" pipes, Magnaflow X pipe, Magnaflow mufflers, Big 3 Performance tune, Sirius SIR-GM1, HID Fog lights, clear fog lenses, clear sidemarkers, CTS Sport Grill, V bumper
You'd only need to change one part, take your old car to the dealership, give them the keys and get the keys to a new one with direct injection.
Seriously though.
That would be a major ordeal and who knows what you would end up with.
The whole fuel system is different, the wiring will be different and any number of other things.
