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ls1nova71 · 04-28-2012, 09:12 AM

Not all flex fuel engines have the metal fuel rail, '04's were plastic. Post a pic of your fuel injector, that would be the easiest way to tell.
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04-28-2012, 09:12 AM	#10
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,118	Re: L59 fuel question Not all flex fuel engines have the metal fuel rail, '04's were plastic. Post a pic of your fuel injector, that would be the easiest way to tell. Posted via Mobile Device __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html