i have a cammed 5.3, lt headers dual 3 inch exhaust nelson 93 tune it runs good till 3500 rpm then runs ruff the rest of the way through any input would be great
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i have a cammed 5.3, lt headers dual 3 inch exhaust nelson 93 tune it runs good till 3500 rpm then runs ruff the rest of the way through any input would be great
What's your fuel pressure?
Was your cam degree'd right?
I didn't put a degree wheel on it And the cam before didn't do it but it kinda seems like a rich stumble cause I can look behind me and see some black smoke when I'm all in it
Meh, just didn't have the information about when it started.