If your going to put rear discs on an 83 or 84 rabbit gti you have to change the proportioning valve also, this is important for safety reasons. Jason 87 Scirocco 16v 2.0 Motronic. -- To unsubscribe, send "unsubscribe scirocco-l" to majordomo@scirocco.org. If you experience other problems, email: scirocco-l-probs@scirocco.org