Do I need to replace all of the guides, or would just the top guides be sufficient? I'm probably just going to order the stuff and be done with it. There's not much history on this vehicle.

__________________
A.S.E Tech A1,A6,A7,A8 & MVAC 609 + EPA 608

Unless stated otherwise, any question I ask is about my greymarket 1985 380SEL.