Blimey Im glad I bumped this question
After reading all the comments I now have a better understanding. As the OP said thanks to everyone for their comments. I sit in the no need for the timing tools side of the garden but we will see when I do the job
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Jon C
Living the dream
MK IV VVTI Tiptronic TT Toyota Supra MG ZT 190+
BornTuesday, 10th July 2001 @ 09:01:10
259th ZT to run off the production line, out of 18,894
252nd ZT 190 + to be made out of 4,023
101st ZT in Solar Red (code: CEU) to be made out of 1,888