Since there are 2 different cam profiles specified in the manuals depending on what manual, some list the camshaft lobe lift as 7.2mm, and some list the lift at 8.51mm. While I had my 06 Aveo LS apart, I measured everything to make sure nothing was off spec, and the cam lobes measured 8.51mm on both the exhaust and intake cams. Both cams are the same grind as well. So I am not sure what lumps the 7.2mm cams come in, but I assume earlier Daewoo 1.6's - such as a 2001 Lano's is one application that used the 7.2 cams from what I have found in the bone yard.

My question is, (if anyone has even noticed the difference in cam profiles) has anyone tried swapping in the smaller 7.2mm cams into an Aveo to see if the MPG's improve. I would think one would see a pretty noticeable difference in efficiency, but im not sure what this would equal in terms of MPG. Just throwing the idea out there, a search found nothing on the topic, at least not in the context of economy.

Thanks