i installed my aam 5/16 plenum spacer 3days ago when i test drive it feels fine... on my way to work i got stock on a traffic and my idle is weird it drops and will go back to normal like every 10-15 sec my rpm will drop its like the engine is gonna shut off... is that normal or theres a leak on plenum...if theres a leak how am i gonna fix it...i am possitive that i installed it the right way.

 

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http://www.starterupsteve.com/swf/posting.html