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Re: Van from h. well you know. 87 Astro 4.3L (POS)
Posted to Technical Discussion Forum on 6/3/2007

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How about compression #'s; closed throttle, WOT, running? Ignition timing? Cam timing? Restriction(melted catalyst) in exhaust? Your vacuum numbers are terrible. I wonder how many idler arms were inst... Login to read more.