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Almost any 60s car can backfire under the right conditions, a little excess gas in the intake, starting it up with the crankshaft in a certain position, timing slightly off... Its not a common thing on a well-maintained car but can happen in rare circumstances.
My 63 never has but my 61 dual quad car would did it about 2-3 times in 10 years...
Agreed. My '61 dual quad car backfired after heat soak at re-start and started a fire in my air cleaner, which I got to in time. It was a 100 degree day and conditions were perfect for percolation and combustion OUTSIDE of the engine!
Agreed. My '61 dual quad car backfired after heat soak at re-start and started a fire in my air cleaner, which I got to in time. It was a 100 degree day and conditions were perfect for percolation and combustion OUTSIDE of the engine!
Well, it's looking more and more like my car backfired through the carb after all.
Here's a photo of the inside of the air cleaner element. Notice the brownish stain. A similar brown patch is also seen about 180 degrees from this one.
The element doesn't smell particularly burned. In fact I would say the odor is more of burned gas than smoke per-se!
Does all this fit the diagnosis of carb backfire?
I think I'll be getting a new air filter real soon...
04-03-2019, 02:22 PM
