About a week ago my 383 sbc started running like crap. It won’t idle unless foot is on gas, dies. Runs rough when holding gas. Gas smell really bad, it almost seems that it’s not igniting correctly.
all components of the engine have less than 1500 miles on them. Carb is a Holley 4150 750. I tuned it with vacuum gauge and it ran great about a month ago. Power valve is good.
Running MSD diet, 6AL box and blaster SS coil. when I tuned it and changed the advance springs I noticed the rotor looked a little whooped despite having so few miles on it I replaced it. After it started running rough I remember this and checked the cap and the carbon button was almost gone! I got a new cap today thinking that would fix my problem but no luck!
any thoughts! I’m thinking of replacing the coil and plugs next.
side note, when it initially start when cold it runs normal for about 10 seconds then the rough/missing starts.
all components of the engine have less than 1500 miles on them. Carb is a Holley 4150 750. I tuned it with vacuum gauge and it ran great about a month ago. Power valve is good.
Running MSD diet, 6AL box and blaster SS coil. when I tuned it and changed the advance springs I noticed the rotor looked a little whooped despite having so few miles on it I replaced it. After it started running rough I remember this and checked the cap and the carbon button was almost gone! I got a new cap today thinking that would fix my problem but no luck!
any thoughts! I’m thinking of replacing the coil and plugs next.
side note, when it initially start when cold it runs normal for about 10 seconds then the rough/missing starts.