https://www.burtonpower.com/dets_product.aspx?App=ZE&PGrp=09004&PSet=1 https://www.burtonpower.com/dets_product.aspx?App=ZE&PGrp=09008&PSet=1 76-85.3 WF0AXXGBBANA07590 dan WF0BXXGBBBNR76252 me WFOBXXGBBBLT17331 3dr 1.8 WFOFXXGBBFMT05196 nathen callum WFOFXXGBBFNB46497 rs2000 WFOBXXGCABMJ06168 6314 XS 74 92GB-12A650-GA cecu gif [img]http://www.v6sierra.com/backup/sierraav.JPG[/img] http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&category=61037&item=7951114559&rd=1 http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&category=61037&item=7951114201&tc=photo http://www.v6sierra.com/gauge.JPG Password: kopana Password: zaqwsx Or another theory, I had a 7.5" diff as standard on my car. I used a 7" diff for a while (nearly a year) and I used the same driveshafts (the original 7.5" ones) with no problem whatsoever. Maybe it's possible to use 7.5" driveshfts with a 7" diff but not the other way round?