Ignition Circuit
Fially ! .
My worthless long out of date Chevy training comes in use full ! =8-) .
Because this vehicle has a manually operated pedal starter there is NO SOLENOID & BY - PASS CIRCUIT ! .
One you've ascertained voltage at the coil, disconnect both wires and test the resistance across the two smaller terminals ~ if there's a ballast resistor on the firewall you use a 1.6 Ohm coil .
If you wisely delete the ballast resistor you use a 3 Ohm coil .
I highly suggest an epoxy filled coil, they're cheap @ NAPA , avoid the Pep Boys, Autozone & O'rielly's Chinese ones .
The gap is .016" or 25 degrees i9f you have a dwell meter .
Once it's running, set the initial timing advance at 800 or less RPM's and make sure there's NO VACUUM SIGNAL to the dizzy until you open the throttle
I ASS-U-ME'D this is a V8 ? .
If it's a 6 cylinder the dwell is 33 degrees and the timing marks are on the flywheel, look just above and behind the starter motor, you'll see a little widow with a steel pointer in it, there's a ball bearing pressed into the flywheel and you need to set the ball on the pointer at 600 or less RPM .
Also, if it's an inline 6 Banger, you're going to need to adjust the valves before anything else, guaranteed they're tight and this will cause hard starting and such bad idle you'll have trouble timing it .
I love these old "Task Force" Chevy trucks, please share some pictures even if it's nasty .
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-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father
I did then what I knew how to do ~ now that I know better I do better
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