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    ATF for Nissan 5-spd auto

    I have a 2008 Quest minivan with the 3.5VQ motor and 5spd auto. Manual says use only Nissan K-Matic. We are at 55k miles on the vehicle, powertrain warranty expires @ 60k. I am tempted to run some Auto-RX for a few thousand miles, then switch to Amsoil ATF. Sound like a good plan? I'd like to...
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    High silicon, bearing wear in 2008 Nissan 3.5 VQ

    grrr... 2nd time of high silicon! We bought the vehicle with 35k, I immediately changed to Castrol Syntec 0W30 and ran about 10k. High silicon, etc. Changed air filter to Amsoil ‘nano-filter’ at 45k (old filter was OEM type paper, looked fine) inspected the intake system, looks clean as a...
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    2002 Mazda Protege 5 2.0l 5-spd German Castrol

    First time UOA posting - please give me guidance! [/URL][/img] Copper and Silicon are high and have been high. This car has a k&n cone filter on an aftermarket intake (for the last 40k) which is the only way sand could be getting into the engine I can come up with. The intake system is tight...
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    yet another GC question...

    I've been using GC, the "green stuff", in the daily drivers for a couple years now with great results and nice UOA's. I really like how it quieted down the somewhat thrashy Mazda motor. On both cars, I cannot tell the difference in motor noise after an oil change, which tells me (as does the...
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    Oil and ATF for 08 Nissan Quest, 35k miles

    Howdy all Just bought a family ride: 08 Nissan Quest with the venerable VQ 3.5 and 5-sp auto. It has 35k miles on it, was a rental, and got oil changes every 4-5k. Oil: from searching the forums, looks like GC 0w30 is a no-brainer. I’ve used this oil in other vehicles and like it a lot. It...
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    Looking at a used BM 7-series…

    I plan to buy a 740 or 750 (love that V-12) that has been scrupulously well maintained, but likely over 100k miles. A tranny costs $6-8k to replace. Trannies on these cars normally last 100+k, but I’ve seen a few with 250k+. Any thoughts on running a cleaning Auto-RX cycle, and switching to...
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    Oil Suggestion please: 2 vehicles!

    Howdy all I’ve got 2 very different vehicles I’d like to get some oil suggestions for: Vehicle #1 2002 Mazda Protégé 2.0, daily driver, 102k miles. 0-50k I used 3k OCI with cheapest dino oil I could find, didn’t know better at the time… At 50k I did the auto-rx treatment and switched to Ford...
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