hey welcome to the boards... i'm not sure what VRG stands for, but GDI stands for Gasoline Direct Injection. it's supposed to be some revolutionary method of injecting the gasoline directly into the cylinder head instead of the intake manifold. i didn't know until recently but apparently the galant (8g) won the 96 car of the year award in japan mostly due to the gdi technology. thought it's interesting info hehe
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