if this is wrong area to post in for this let me know and i will put it correct area. well its got a choppy idle. sometimes when you go wot it chugs backfires right away other times only at high rpms, other times not at all. car has mods
issues shouold be in the 5.0 section. Don't forget to list you mods too.
Did you pull codes? you can have one set without the cel being on.
How long age was your last tune up?
Are you running platinium puugs. some 5.0's don't like em.
I would lean toward the coil but it may be distributor too.
Dizzy is a comon prob with the 5.0's and coils are getting old.
but we need more info
You can post up some pics in this trhead though.