bad Idle

akwilks

Mr. Keith
I have an idle problem where the engine would idle at 750 but would die when I take the truck out of park. I have an msd box and with it or the stock ignition, it does the same thing. Also, when I can overcome the idle issue, the truck feels like I am not getting any ign advance after 5lbs of boost...Any ideas where I should start looking? The truck is pulling no codes. Thanks in advance...
 
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