Guest greimann Posted September 27, 2002 Share Posted September 27, 2002 What is the OD of the intake lid duct connection on an LS1 setup such as pictured below: Quote Link to comment Share on other sites More sharing options...
Lone Star 1 Posted September 27, 2002 Share Posted September 27, 2002 The TB and MAFS or both 3.5" in dia. I bet 3.5". Quote Link to comment Share on other sites More sharing options...
Guest super280z Posted September 30, 2002 Share Posted September 30, 2002 3.5" ~Vince not so LT1 79 ZX (not so mine anymore either) 99 z28 M6 not so stock anymore. Quote Link to comment Share on other sites More sharing options...
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