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, Tue, 6 Feb 2007 10:44:54
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I had an ‘86 900 turbo that I purchased off my Aunt. When I picked it up she had a milk crate of "goodies" that had bungee cords, jumper cables, a space blanket, a package of spark plugs (6, lol!), and 3 gallons of "Marvel Mystery Oil". My aunt said that she religiously used it, at her father’s advice, every 1,500 miles. Being a "performance oriented driver" with his first turbo charged car, I drove around playing with that funny needle on the dash with my right foot and hearing that oh so tempting turbo whine telling me to push harder. After about 2 weeks of letting my car talk me into driving faster, I started to get smoke out the exhaust when the turbo was under vacuum, oh yes, blew it to smithereens at about 120,000 miles... Fair life for a turbo, or so I thought.
I get it to the shop, have the turbo replaced. The tech says that the seals and other internals were more worn out then any he had seen, and asked if there was anything "funny" I was doing. We discussed a few things (including my new proclivity to run up hills at full boost) and then I remembered the mystery oil, his “AH HA!” moment. From what he told me, the oil would eat the seals out of the old 900 turbos, mostly from the super acidic crap getting flushed out of the motor into the turbo.
Basically what he told me, is use the stuff like synthetic, get the motor THOROUGHLY cleaned out first, then start using the stuff, getting the gunk out in a controlled manner, otherwise all the sludge and "garbage" will work its way around the motor into areas you don't want it to go. The Marvel Mystery oil will break up the deposits, sure, but if there is significant build up, then it can plug up and corrode other more delicate areas then the oil pan. It is a preventive measure. Personally, after a grand for a turbo, I would stay the hell away from the stuff. After all, do you want a mystery in your crank case?
-crm
posted by 24.97.23...
, Tue, 6 Feb 2007 10:44:54
, Tue, 6 Feb 2007 15:22:11
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