Hi My 84 hotair has a valve train rattle at high rpm should I replace my springs if so what springs should I get it all stock and run's good at low to mid power range no rattle also will be doing this with motor in the car what's the easiest way and i don't have the spring tool anyone want to sell me or loan me one was thinking of doing lifters also but would also have to do the cam too cause i know you can't do cam without doing the lifters as well any advice is appreciated. Thanks