1972 Monte Carlo Stall/Oil light

Asked by 72MonteC Apr 11, 2020 at 07:58 PM about the 1972 Chevrolet Monte Carlo Base Coupe

Question type: Maintenance & Repair

My late grandfather left me a 1972 Monte Carlo with very few miles on it. In an
attempt to keep his memory alive I preform routine maintenance on it and drive
it very seldom. While starting it the other day, I noticed it would turn over but
failed to start and run. Checked the battery and all good there. I pulled all 8
plugs from the engine block and all were wet. Assuming it was flooded, I
removed the plugs all at once, blew pressurized air into the block to dry and
blew off each of the plug heads. Returned all plugs tight and reconnected the
boots tight. Made sure all boots were tight at the distributor cap as well. I
pulled the air filter off and used compressed air to blow any excess fuel from
the carb. Double checked everything for posterity, turned the key and it fired
right up. Let it high idle for a moment and tapped the gas to bring it down to
about 10,000 rpm and let idle some more. Backed it out of the driveway no
problem and as soon as I put it into drive the engine stalled and I had to grab a
neighbor and my wife to push it back into the drive way/garage. The oil light
"flashes" (sometimes its on and sometimes not, it doesn't blink repeatedly) on
the dash and now the car fails to start again. I'm at a loss..... any information
or insight to the problem would be greatly appreciated. (all parts on the car are
original)

3 Answers

Did you check the oil level? If the car has sat for a long time you should change the oil and filter. The fuel system may be gummed up if the car was in storage for a long time. Which engine does your car have?

1 people found this helpful.

It’s a 350 v8 I believe. 5 quarts of oil when I replaced last, along with the filter, but it’s been a while. Since the last time I changed the oil maybe 100 miles have been put on it (if that). I mainly let it idle on low at 10,000 rpm in the garage with the door cracked. Any recommendation on checking the fuel system for “gum up”? Where would I start? If it helps I let it idle about 2-3 times a month for 10-15 minutes. Are there any particular steps I should be following for a vehicle that mainly lives in the garage to keep it in tip top shape?

157,835

If all parts are original you need a complete tune up. New spark plugs, spark plug wires, distributor cap, distributor rotor, ignition points, and ignition condenser. You should make sure the float in the carburetor is not sticking. Try tapping the area of the carburetor where the fuel line screws into the carburetor with the handle of a large screwdriver. Is the automatic choke opening up? The dwell on your ignition points should be set at 30° with the engine running, parking brake set, transmission in drive, and the vacuum advance hose at the distributor disconnected and plugged. To get the initial setting on the points use a matchbook cover. When you have a slight drag on the matchbook cover as you pull it out from in between the points you're close enough to get it running after your tune up. Do the final setting on the points with a dwell meter as I described above. Hope that helps! Keep us posted! Jim

3 people found this helpful.

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