Lets talk Roller Cam Lifters.

Cudafever said

in·verse
/ˈinvərs,inˈvərs/
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adjective

1. opposite or contrary in position, direction, order, or effect.
   "the well-observed inverse relationship between disability and social contact"
   

noun

1. something that is the opposite or reverse of something else.
   "his approach is the inverse of most research"

OK that's the best i can do........


so how does this.....backward? lobe? work?....look like?
And how is it an advantage????????

Click to expand...

If you picture a cam lobe with flat flanks leading to the nose, and then imagine that same flank wit ha point on it where the flank itself would look like it has an a point where the lifter actually looses lift (IIRC the lifter literally doesn't lose lift at that point but the inverse radius basically stalls the lift rate.

That's the only way I can explain it. Rather than a flat flank, the flank has a dip in it, for lack of a better term.

As to why it is better, I'm not sure. I do know there are cases where it works. What parameters those may be I can't say.