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PKRWUD · 08-07-2003, 10:22 AM

non HO efi is batch fired, HO 5.0's are SEFI. There are several differences, and you must change the ECM, otherwise you will have a very rich running engine.

08-07-2003, 10:22 AM	#4
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	non HO efi is batch fired, HO 5.0's are SEFI. There are several differences, and you must change the ECM, otherwise you will have a very rich running engine. __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!