mazfg Posted March 7, 2016 Share Posted March 7, 2016 Since I had my car I was using a friends old Gunson timing light to setup. recently I bought an Accuspark H8000, as I thought it high time I bought my own. This was better as it had an inductive pickup compared to the old Gunsons inline to the spark plug connection.With the Gunsons my car was set to 8 deg BTDC, vacuum gauge reading 18-20mmHg. When I tried with the Accuspark light...it was low 4-5 BTDC. Now not sure which is correct? I advanced timing with Accuspark to 8 deg BTDC, Vacuum gauge now gives a very good reading of 20-22mmHg and the car seem a little smoother. Took it for a ride...not pinking...so hoping the Accuspark is correct? I guess I need to borrow another to compare? Quote Link to comment Share on other sites More sharing options...
glang Posted March 7, 2016 Share Posted March 7, 2016 Ive got a manual that says set the timing so that with normal engine temp. you can accelerate at full bore in top on the flat and the pinking will end at 2000rpm. I think its a good way of doing it cos the exact setting will depend on fuel quality, engine state etc Quote Link to comment Share on other sites More sharing options...
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