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    Jeep 4.0 synthetic question

    I have a 96 Jeep GC with the 4.0 engine, that only has about 86k. I bought it used, but ever since I've had it, I've been using 10w-30 dino, changing every 3000 miles. Occasionally I've put in 5-30 during an especially cold period, since I park outside in the Michigan cold. Now I'm thinking...
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    supertech trans fluid for transfer case

    The transfer case for my Grand Cherokee requires dex/merc type fluid, and I was wondering if any one had any problems using the supertech type fluid. I've heard it didnt shift too great in transmissions, but I can't find anything about it in a transfer case.
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    ATF question....type F vs dexron/mercon

    Quick question since I can't seem to find any defining answer. When exactly did Ford make the switch from type F to mercon fluid? Some have told me the dexron/mercon is backwards compatible but I was always taught against that, and everyone seems to have different opinions on when the switch was...
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    another german castrol question

    This may be a stupid question, but I can't seem to find any info about the illusive german castrol syntec for anything besides 0w-30. Is this the only kind that is now being made in germany? or are all the different weights of syntec now the german type that everyone is looking for? I can't seem...
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    ? about audi oil and change interval

    Hello all, I recently became aware of this 10,000 mile service interval on my girlfriend's audi and dont really understand. I spoke with the guy at the parts counter at the dealership where the first service was being done and he told me that for the free service they just use basic oil, but...
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