i need some help on my swap...im going with a c4 swap in place of the t5 i have now,,,what i need to know is,,,will i need a diff cross member and what should i do about the drive shaft....heres the parts i will have tranny.converter.flexplate.shifter. what else will i need...and im doing this in a 92 mustang....oh and i have bbk long tube headers will that be a prob...any help will be great...