high performance camshaft, abjustble campulley advice

[lanchiaong]

hi there

i need some advice on camshaft and abjustable campulley

izzit high performance cam shaft can increase power and fuel economy??

and how about abjustable cam pulley

and wat is automatic cooler?? does it exists??
any sugestion on modification to inrease power of proton gen2 auto??