on my 1985 iroz 305 TPI it was on the fire wall in front of passager side little black plug in 2 half inches long with black wire with white stripe.
8 degrees.
On the front of the timing chain cover, drivers side towards the top of the harmonic balancer.
You could put a vacuum gage on the engine and time it for peak vacuum. A timing light is still better.
intake manifold is DIFFERENT for models 1985 and 1988
yes
6 or 8 drgee
There is no timing belt on a 305 unless it is an aftermarket belt drive system.
same as a 350
6 degrees BTC
Top Dead Center
ABOUT 1,000
Ignition coil is bad, is it right on top of the cap maybe a bad wire in the wirng harness or bad connector.