Re: Dug's 1959 Fleetside
nice looking place you have there.
sorry to say seafoam will clean stuff from the injectors down but that is below the intake manifold runners so they remain how they are now. to clean that you could try some seafoam slowly introduced into the intake through a vacuum hose with the engine running but that will also only clean from that spot downstream and not really that well since it would likely be a short term thing. the parts guys selling the stuff often recommend doing this, shutting the engine off to let it soak in, then restarting the engine and "running it hard". this will create a lot of smoke in the pipes and stuff going down into catalytic converters (if you had one) so I don't really recommend doing that step. slow is better in my mind so as not to loosen up too much at once.
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