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Need help!! Too rich after head, cam , nnbs intake swap

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Old 02-19-2013, 02:25 PM
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Thanx for the reply gamble . I'm going to recheck all the connections and I could be wrong but a vac leak I thought it would run lean not rich ??

Last edited by Petey62782; 02-19-2013 at 02:52 PM. Reason: Damn spell check
Old 02-19-2013, 05:01 PM
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Are you sure that you went with the 44# marines. I think that manifold comes with 36# injectors if they were from a flex fuel 5.3.
Old 02-19-2013, 06:52 PM
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The manifold is a nnbs but its got a custom fuel rail crossover to maintain factory return style lines and I'm sure of the injectors part # 17113739. I also spoke to the tuner to make sure he has all the right info and he does he knows what parts I have including the injectors and they said it may take a couple of retune to get the injectors dialed in. Does that sou d right ?????
Old 02-20-2013, 09:01 AM
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If you had a vacuum leak the 02's will try adding more fuel to fix problem.
Old 02-20-2013, 10:35 AM
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Problem solved the tuner had alot on his plate right now and they forgot to scale the new injectors. . **** happens we're all human. But I give him credit for admitting mistake and doing the right thing!!! :-)
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