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    Oil for blown 3800?

    Hello everyone, I was hoping you could make a recomendation as to what to run in my Grand Prix. I have a normally aspirated motor which is going to be the proud recipient of a Paxton Novi 1000 supercharger, and I'm not sure what oil to run in it. I've been running Mobil 1 10-30, but I've also...
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    My supply of GC has been cut short!

    I work at an Autozone, and I've had a steady supply of GC there for a few months. Well, I was loading the oil rack today, and we had got some more 0-30 in, with the red label, but it wasn't GC! It just had "Castrol North America" on the back, not, "Imported by Castrol...". I think I'm going to...
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    Are Saturn 1.9's one of those sludge-prone engines?

    I was doing some maitenance on my girlfriend's mother's SL1 today, and when I replaced the PCV valve, I noticed that there was all kinds of sludge around the valve and the grommet. Now, her car is very neglected as it is, so it doesn't surprise me, but I was curious if this was common in these...
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    Switching to synthetic in a higher mileage tranny?

    I currently drive a 98 Grand Prix. It has 107,000 on it right now, and I'd like to try Royal Purple ATF. However, I've read that synthetic in a high mileage transmission can have some adverse effects on the clutch material, and may cause it to slip. I have changed the fluid in it before, right...
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    Oil for a Volvo 850?

    Hello all! I'm new here, but I've been lurking for a little while now. I was kinda hoping you oil nuts could give me a recomendation for the oil in my girlfriend's 95 850 with the 2.4 NA 5 cylinder. It has 180,000, and has been using large amounts of oil (about a quart every 500-600 miles!! )...
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