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Message: <blockquote data-quote="aces ST" data-source="post: 807642" data-attributes="member: 13570">Hey everyone,  I just got back into a 5.0 a couple of months ago. This is a 94 GT with a KB on 6lbs, port and polished GT40 heads, BBK Headers, a catted h pipe and flowmasters. so here is my question:I have noticed that when I am in 2nd gear and low RPM if i get on it, my car will hiccup hard at 3500-4000rpm. and i noticed today that when that happends my boost gauge spikes. Please help. This weekend I plan on doing an oil change, new spark plugs and wires. 2nd question: what spark plugs do you guys suggest. Thank you in advance</blockquote>