Just something stupid that i noticed between 89 and 90 x-overs.. the heat shields have a different edge to them.. Ill post up a pic of what i am saying in a little bit.. Wierd i know but just something i noticed while taking them apart for rebuilding..
(http://i313.photobucket.com/albums/ll380/94gpgtp/Junkyard%20TGP/IMG_0820.jpg)
(http://i313.photobucket.com/albums/ll380/94gpgtp/Junkyard%20TGP/IMG_0823.jpg)
Might be that the right ones were gm replacements :icon_question: