so I have been reading for hours now about eoit, and when I feel I am starting to understand it I get thrown off from the math from the examples other people are showing. I have a gen 4 e38 caprice PPV 6.0 with a tsp stage 2 cam I will post cam specs at the end. in one example I saw the stock cam had -29 degrees of overlap and the new cam had +2 degrees of overlap which meant the valve was opening 19 degrees sooner than stock(I don't understand how they came to this number). I am also looking for the dsteck calculator many are talking about I am only able to find dead links, but I am unable to search in the forum currently the search button is over the human verification button. I am able to find a lot of info on gen 3 eoit timing but not a lot on the 4th gen could someone help me with the math side of how much sooner my cam opens. below is the example I am referring to
https://g8nation.com/showthread.php?t=40975
my cam specs are
tsp stage 2
Duration @ .050 in. (int./exh.) 229?/244?
Valve Lift (int./exh.) 0.629 in./0.615 in.
Lobe Separation 112?
overlap 12.5?
stock cam
Duration @ .050 in. (int./exh.) 196?/208?
Valve Lift (int./exh.) 0.478 in./0.466 in.
Lobe Separation 116?
overlap -30?