Durhamguy
Platinum Level Sponsor
Can’t get car started. Changed ignition components due to hard starting, eratic running, stalling issues dating back to when I purchased the car in May 2021. Car is positive ground, running Alpine Innovations Weber kit.
New ignition components added are:
Coil, Lucas Sports DB110 Sports 1.5 ohm
Ballast 1.6 ohm
Distributor Cap DB106 for 25D4 dizzy
HT leads, rotor, LT lead, condenser, points
First Phase Changed coil, ballast, Dizzy Cap, rotor. Car started, run much better. No problem with subsequent restarts. Spark plugs were new as of May 2022, gap to spec. Second phase Changed points, condenser, LT lead. Cannot get it started. Also, coil readings seem erratic.
Firing order is set as 1342 counter clockwise. n01 nearest Rad, No.4 nearest firewall.
Tests done
Bulb test (ignition turned on) on ballast input (yellow wire) shone bright. Test on exit ballast terminal dimmed bulb, “-“ coil terminal bulb dimmed. So have power flowing through ballast to “-“ coil terminal.
Put headlights on, cranked engine, minimal dimming.
Condenser seems viable, tested volts and resistance. Takes a charge and discharges.
No spark on HT lead nor with spark plug test.
Points set to spec and open and close as expected, condenser and LT isolated with plastic washers. Closed 12.2v / open 1.98v
Coil
Primary resistance 1.6 ohms confirmed
Secondary resistance 6,000 ohms
No spark??
Ballast 1.9 ohm confirmed
Spent 3 days doing tests, switching back and forth old components. I often get different readings when testing. Even though the car started with the first phase changes, I am thinking the issue is related to the coil.
Any help anyone can give me will be greatly appreciated. I can added pictures if I know what you want to see.
New ignition components added are:
Coil, Lucas Sports DB110 Sports 1.5 ohm
Ballast 1.6 ohm
Distributor Cap DB106 for 25D4 dizzy
HT leads, rotor, LT lead, condenser, points
First Phase Changed coil, ballast, Dizzy Cap, rotor. Car started, run much better. No problem with subsequent restarts. Spark plugs were new as of May 2022, gap to spec. Second phase Changed points, condenser, LT lead. Cannot get it started. Also, coil readings seem erratic.
Firing order is set as 1342 counter clockwise. n01 nearest Rad, No.4 nearest firewall.
Tests done
Bulb test (ignition turned on) on ballast input (yellow wire) shone bright. Test on exit ballast terminal dimmed bulb, “-“ coil terminal bulb dimmed. So have power flowing through ballast to “-“ coil terminal.
Put headlights on, cranked engine, minimal dimming.
Condenser seems viable, tested volts and resistance. Takes a charge and discharges.
No spark on HT lead nor with spark plug test.
Points set to spec and open and close as expected, condenser and LT isolated with plastic washers. Closed 12.2v / open 1.98v
Coil
Primary resistance 1.6 ohms confirmed
Secondary resistance 6,000 ohms
No spark??
Ballast 1.9 ohm confirmed
Spent 3 days doing tests, switching back and forth old components. I often get different readings when testing. Even though the car started with the first phase changes, I am thinking the issue is related to the coil.
Any help anyone can give me will be greatly appreciated. I can added pictures if I know what you want to see.