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How long have you been running synthetic? Posted by bryan [Email] (#542) [Profile/Gallery] (more from bryan) on Thu, 9 Aug 2001 19:49:26 In Reply to: Dick in Falls Church,...You finally convinced me., Richard P., Thu, 9 Aug 2001 16:41:21 Members do not see ads below this line. - Help Keep This Site Online - Signup |
synthetic WILL turn black very rapidly for a while after converting from dinosaur juice. It's just the leftover glaze and sludge leftover that the thinner and better cleaning synthetic is loosening up.
When I take possession of a used car and convert to synthetic, I'll follow this tried and true procedure for cleaning the engine ahead of time as much as possible:
-Decarbonize- Using a product called Deep Creep (usually can only find at NAPA stores for some reason, use according to directions, essentially on a warm engine, find a suitable vacuum connector and and with the engine at a fast idle, start hosing it in until the engine 'loads up' on it and starts to idle poorly. Stop and let sit for 5 minutes, start it up and watch your car belch smoke out of the exhaust like it just ate a piston. It can be a little disconcerting, but it's just all the carbon in your combustion area being burned off. Brisk drive until smoke is gone.
-Engine Flush- Really like the new STP engine flush, at 8 bucks a quart it's kind of steep but it really seems to work well, better than other engine flushes I've tried.
-New oil & Filter & spark plugs- you'll want to change the plugs after the flush and decarbonizing, and fresh oil & filter.
Keep your change intervals to 3K miles or so for the few first changes, until the oil doesn't get so black right away, then use your best judgement on stretching out the change intervals.
posted by 209.245.4...
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