Vortec 5.7 stumbles and backfires without giving and check engine codes

[Daniel Purcell]

I know it's been a little bit but thought I would give an update. It was the cheaper distributor cap crossfiring. Thing only had 5k miles on it. Learned my lesson. Thanks everyone who gave advice!

Didn't realize I had 2 accounts on here. Sorry for any confusion. I am the original poster.