Car Culture

Dear Si Fusss,

I hv a stock GSR 1.8T RS engine in my GTI. I am planing to look at the follwoing mods:

I am certain that some of you have done such mods.

GSR 1.8 T std TD04 turbo to Evo 3 turbo TD05-16G.

1) Is the turbo swap plug and play? If not, what needs to be modified?
2) Is the Evo 3 turbo too big for a stock GSR RS? Too much lah? Would an Evo 1 or 2 turbo be a better bet?
2) Any recommendations on the injector size? Some say VR4 450 cc injectors are a...