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Re: how can i make power with a 4.2
only problem with the 4.0 head swap, I need to retain EGR for smog testing, and have a C.A.R.B.(california air resources board) number on any non stock parts(as in Header) that I put on there. I was told that the 88-89 4.2 exhaust/intake still retains the EGR, before Chrysler took over in 90, and that it has better flow, any parts recommendations would be apreiciated. Thanks
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