Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
Also remember DUK13Y that all of our comments are opinions only
and for about $5500 you can have the raptor kit. If you have a decent exhaust/extractors and the high ratio Roller rockers you will put out closer to 220rwkw's
As for the Ls1 that is a good choice too, but it will be closer to the 7-8k mark by the time it has been installed, new loom ecu etc But it does have a lot more potential for working it later.
You have plenty of time to work out what you want, for when you finally get your unrestricted licence.
So do you just cruise around with your mum or something?
Your rear chev badge isnt exactly dead centre btw....
(have some pride for your home countries brand).