| ENGINE CONVERSION Posted by SHAWN on December 29, 2004 at 17:44:37:
I INSTALLED A 4.6 INTO MY 90 CLASSIC. MY QUESTION IS IN REFERENCE TO THE FUEL/INTAKE. I HAVE NOT INSTALLED THE 4.6 FUEL MANAGEMENT CHIP AND AM CURIOUS IF I WILL NEED TO. I DID A PLUG CHECK AFTER 5K MILES AND THE PLUGS LOOK GOOD. IS THE AIR INDUCTION SENSOR LOWERING THE AIR INTAKE TO ACCOMODATE LOWER FUEL SUPPLY, THIS ALLOWING THE PROPER MIXTURE. OTHERWISE SHOULD I JUST BE HAPPY THE PLUGS DO NOT SHOW A LEAN MIXTURE AND GO ON ABOUT MY BUSINESS. ALL THE INTAKE IS OFF THE 3.9 SYSTEM WITH NOTHING BUT THE LONG BLOCK CHANGED. ANY ONE WITH EXPERIENCE WITH THIS CONVERSION PLEASE FEEL FREE TO ADD COMMENT ABOUT THE INTAKE OR OTHER ASPECTS OF THE CONVERSION. BY THE WAY, IT IS MORE POWERFULL NOW. THANKS FOR TAKING THE TIME TO RESPOND.
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