Originally Posted by hotboy454
I started to drive it to iron out all the bugs one day it backfired through the carb. then started sputtering upon acceleration idling it does fine but runs rich. I cant seem to get idel dialed in without it shutting off. 1100 rpm its where its comfortable at in gear 400rpm something weird there. It run like a champ driving it in traffic seem to want to die out with out keeping my foot on the gas. 600 summitt carb
Is the 600 a holley? you may have blowen the power valves when she back fired, now shes loading up on you and thats not tunable, replace the power valves.
Keeping your foot on the gas to feed it more air is another indecation shes loading up.