two questions.the pro billet dist. i am looking at for my 95 says "without module".what is the module and am i gonna need it? and what is this "dizzy" i keep hearing about and do i want it,do i need it,and is it crap like most say it is?im new at this.had my stang for 11yrs,but just now modifying it and i know enuff to know that the ignition is important.im building a 347 and need to know what ignition stuff to get.someone just tell me what to get and thats what i'll get.thanx.