Yeah i'll have to switch soon, to test the difference between the Synergy and Optimax.
On the subject of that, seems the ignition on the coil pack models EF Series 1, AU1 onwards cannot be advanced manually. The computer tunes it's self to the Higher Octane. When i went to Penrith Ultra service they checked the timing and found this out, apparently my timing was well advanced already. :D :D
I've tried a full tank of Synergy 8000 and a bottle of Nulon Octane Boost n clean, and the car responded, you can feel the trottle pickup compared to normal.
Motor May 2001 Quote: "Believe it or not, there are actually a bunch of weirdos out there who reckon a six cylinder is the dux gutz. Bugger it: I'm one of them" :s5
AUII Late Ed XR6 HP T5 Venom- Full Tickford Body Kit, 17in Wheels, Herrod Bi-plane Spoiler, Momo Steer/Gear, T-Series Interior Options, Premium Stereo and a very light-tuned 4.0L I6
(FPV-Tickford Club of NSW Member and Co-Founding Member of 3FB Inc, Ford Forums Food Bandits)