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Re: lean 7.4 chevy truck
Posted to Technical Discussion Forum on 6/15/2008 2 Replies

LTFT is at 128 Egr is closed and not leaking. This thing runs better at heavy throttle but I believe still lean. It is just slightly too lean for a steady idle. Vacuum as verified with a guage cycles between 11 and 18 " as the engine picks rpm and smooths out ... Login to read more.

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