IFR Table {B4001}: Very important that you start here and get this table right. You should use the IFR spreadsheetRedHardSupra made available on his website (or a similar one). This is the one known constant that you will base the rest of your tune on.
Aw nuts..... Here you go saying that this step is VERY IMPORTANT and the link to that IFR spreadsheet table is a dead link. It's not nice to tease us newbies........