Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
On mine I needed two base gasketts to get the spark at just the right time, going by the crank timing marks I holed pistons from pre ignition. Hence setting timing with a dti gauge mounted into a modified plug, this got it reliable - ie I went further than 4 miles on a piston.