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Don't spread misinformation about LSA, L
obe separation angles means when the cam lobe is at max lift from TDC, the same lobes ground on 104 LSA will have a lot rougher idle with less manifold vacuum than a cam with the same lobes ground on a 112 LSA due to less over lap at TDC on the wider LSA
Cab,
With all do respect, I'm certainly not intentionally spreading misinformation about camshaft characteristics. However, I did make a mistake, and I think it's causing the confusion. In my simple example, I
should have said: "A general rule of thumb is that the
Wider the LSA (bigger number) the more tame your idle characteristics will become and more engine vacuum you'll produce. So an LSA of 112 will idle smoother than say a
Tighter LSA of 108 degrees." My mistake was that I confused the terms
Tighter and
Wider.
Other than that, I don't see any conflict in the information I've provided the topic starter and the information you provided. I hope this helps clear things up. Sorry for any confusion.
-Dan