95' Chevy S10 Blazer 4.3L Vortech Runs rough and smells strongly of gas with a backfire or 2 every once in a while.

When was the last time you had a tuneup ? Sounds like it maybe a miss firing spark plug.

There's currently not a check engine light and we have checked the spark plugs but we briefly looked at them so we might check them more thoroughly.

If it has been a while since you installed some new plugs would not hurt to replace them because it is really hard to look at a spark plug and tell if it is miss firing or not. Also would do what tennisshoes suggested.

I don't know exactly what condition the vehicles parts are in because I have just bought it somewhat recently. I will definitely try your suggestions but if anybody has more suggestions I would still like to hear them.

Update: we have found most of the problem! We replaced the spark plugs and the distributor cap and rotor and it runs much better! It still does run a little slow so we are going to do some compression tests and fuel pressure tests