timing mark on 1990 Toyota Pickup

I have a 1979 Toy pickup and need help, how many degrees off O is the timing mark. It is 4 wheel drive and has 22R fon the motor

by in Riverside, CA on June 28, 2010
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1 answer
ANSWER by , June 29, 2010
Most engines run well at 8 degrees advance try that and if it pings then back off the advance to 4 degrees