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Re: L29 454 Build for '63 K15 with NV4500
I don't think that should be an issue. I think I had to use O2 sensors from a '98 5.7 vortec. Also I don't think you can swap a wide band in. Guys I know who have wide bands install them in addition to the stock narrow bands and use them to data log while driving then tune off the log.
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