cam difference JDM vs ORIG

Supraboy89

New Member
Oct 25, 2006
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Hampton GA
Hey guys I did a JDM swap in my car. I just want to know if there is a difference between the camshafts. Duration and lift. The reasion
i ask is because the JDM motor didnt come with emisions. Also I noticed a difference in vaccum on my boost guage when I accelerate. And there is a difference in cylinder pressure on all 6 cylinders. And yes I put a new HG in it when I got it.