I have a 429 BB Ford, i believe it to be out of a 69-70 Lincoln, would any one know what the timing might be for it at idle and/or at about 1500-2000 rpm's.Right now i have it set to about 10-12 degress BTDC, at a high idles it advances to only about 26, some have told me it needs to advance to 36-38 degrees. any and all information would be greatly appreciated.