Help me with my honda!?

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well right now my engine is straight stock. and i want to start street racing and my dad is the engine dude he takes them out puts new ones in all that. i want to know what would be the best/#1 engine for me honda crx 1990. it doesnt matter how much it is i want to be #1 on the finish line. i want it to be the fastest. and tell me what i need like axles transmision or anything else i need with my motor. im going to get a nitrous kit and turbo. i would prefer vtec to. so just give me some advice. please