When my car was about 3 years old, the motor started making funky carb and ignition noises at cold and warm startups. Car came with a mechanical fuel pump, Webers & magnaspark. I did everything I knew but could not eliminate the funk.
I went to an electric fuel pump, fuel pressure regulator with gauge and braided lines. Motor now behaves at it should.
When safe, I like to leave my engine lid up, I think it helps cooling.