No Rasengan.

[keoryn]

Probably just use a technique with the Shadown Clones. More spamming from the Clones

 

[uchiha asuku aliyu]

he'd have learn something else.. Maybe something even more cooler e.g km and tbb at a much younger age

 

[ballerjordan]

He would master at least 3 elements and he could spam elemental jutsu's forever.

 

[Chief Gaito]

Honestly, I would have like to see Naruto learn Water Release.