BSR Twin System (tm)
Join Date: Aug 2001
Location: The TQE (tm) Plant.
I have had a similar problen with my XB. The aftermarket Ignition system made the Tacho read slow. Insome cases a Tach Adaptor may need to be fitted. It is an Ignition related problem in my case. I can't say I have heard of that problem by simply changing a coil.
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Deakin University Formula SAE Car PHANTOM ENGINEERING
LSUG (Leaf Spring Users Group) Twin System Engineer
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