Interesting. But are we talking about the same cams? The Lunati numbers currently published for the 20080660 mentioned above show a dual pattern cam with 279/287 advertised duration and .477"/ .502" lift with 1.6 rockers.The Lunati has .536/.536" lift with 1.6s.
http://www.lunatipower.com/ProductGr...?id=261&cid=59
https://www.summitracing.com/parts/lun-20080660
Lunati's 20120120 looks like it is a good match for the GM HOT cam:
http://www.lunatipower.com/Product.aspx?id=3161&gid=337
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