3.4 lower intake warped BAD whistle. HELP

Laundry2002guy

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Indiana
Installed new upper and lower intake gaskets on a 2004 Grand AM 3.4. Everything went well until I went to go start it. Huge vacuum whistle.! Long story short the upper intake plenum was cracked by cylinder number 3. After disassembling it again and putting a straight edge across that there's about .030 difference between 1 and 5 with three being lower on the lower intake. Any ideas ???
 
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