I know these are hard to find, but I am looking. I know that the 70's are different than other years. Can someone describe what to look for or better yet post a picture, thanks for helping.

They are rectangular with threaded rods at each corner.The rods are tack welded on,no screw heads visible.1969 used a rectangular grill with holes for screw head,1971 and up grills were oval with threaded rods.There was an auction on e-bay for these last night with great pictures.E-bay#548080230.Sorry I don't have skills to hook up the link directly.I have a few sets"coming"but will see if they are what they promised.

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Rick Peters
NCOA#1670-ACES#175
1970...ON THE MOVE (http://community.webtv.net/rap3/1970ChevelleL78)

This is the link:
http://cgi.ebay.com/ebaymotors/aw-cgi/ebayISAPI.dll?ViewItem&item=548080230&r=0&t=0

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Sean Thomas
TC Member #907
Sean's 1970 SS L34 (http://members.home.net/gorbe875/index.html)

Thanks Rick and Sean, that is exactly what I needed to see.