Advice Needed - Can't Start Rebuilt 273

ABodySickness said

The gasoline is fresh and the 4 bbl carb is from a running 318. The 273 turns over nicely and occasionally tries to start. A couple times it started and ran for a second or two but did backfire through the carb or spit out raw gasoline.

I'm getting pretty frustrated. Any thoughts or tips from you experienced engine builders?

Thanks,
Bruce

Click to expand...

Don't want to steer you down a different path, but this happened to me and I offer it to you for consideration. Long story short, I had a rebuilt 2bbl carb for the Barracuda stored upside down in a box for months while I was rebuilding the engine. Then came time to start my new engine. After a few weeks of what you're going through, someone suggested the needle and seat could be stuck (you stated "spit out raw gasoline", mine did the same). Sure enough, I pulled the top off and it was stuck. Solved my problem!