Originally Posted by ivorbiggun
Hi Rick, got an old CVH tuning book in front of me it looks like 23/67 67/23, inlet No1 full lift at 112 degree's, duration = 270 degrees. P.S. mine still doesn't want to start....dear ebay Piper 285 t2 etc etc John
Is that an RS turbo figure? It's actually same as xr3i. Have u tried adjusting the timing? You really do need a vernier, it could be 10 degrees out.