Questions & Answers

I have a problem adjusting my holley 2280 on my 1987 dodge d150. It has a 318. I bottomed out both mixture screws and its still backfiring and running a little rich. I need help bigtime. Will this hurt my 318? Should i turn them both out 2 turns? I need help…

This is an indication of a carburetor needing to be rebuilt, or if you just rebuilt it, something was installed, or adjusted incorrectly and it is very hard on the engine.