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cam up grade opions Printed From: CorrectCraftFan.com Category: Repairs and Maintenance Forum Name: Engine Repair Forum Discription: Engine problems and solutions URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=30668 Printed Date: October-08-2024 at 11:18pm Topic: cam up grade opions Posted By: maxhighlife Subject: cam up grade opions Date Posted: July-09-2013 at 9:08pm I have a 2004 TE 216 5.7 EFI and was wondering if I would could change the cam with out it runing lean or rich because I can't chance the pcm programing?? stock cam specs Valve Timing:006        Duration:249/264 Duration @ .050" Lift:197/207      Lobe Separation:109       Intake Centerline:106 Valve Lift:430/450      Lobe Lift:      Valve Timing @ 0.006        proposed cam specs    Valve Timing:006    Duration:264 270     Duration @ .050" Lift:212/218 Lobe Separation:112      Intake Centerline:110    Valve Lift:488/499     Lobe Lift:325/33     Valve Timing @ 0.006

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