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  1. 1

    Using 5 Year Old Sealed Amsoil Gear Lube?

    Would you use 5 year old Amsoil Synthetic Severe Gear Oil (unopened 75W-90) in the differential of a well maintained vehicle with 100K miles? Differentials were changed twice before. Application is a 2013 Subaru Outback.
  2. 1

    AGM Battery for $190 or Conventional for $135 ?

    Would you pay $190 for a Sears AGM battery (through Amazon) or $135 (out the door) for a Walmart Everstart Maxx by Johnson Controls? <a href="https://www.amazon.com/gp/aw/d/B077741997/ref=ox_sc_act_image_1?smid=ATVPDKIKX0DER&psc=1"...
  3. 1

    Peak Long Life in All Aluminum Engines

    Can Peak Long Life antifreeze be used in all aluminum engines such as on a 3.6L Subaru Outback? It has 2-EH in it and is free of other harmful contaminates. <a...
  4. 1

    How Long Does R-134A A/C Refrigerant Last in Can?

    Question: I have two unopened 12-oz cans of R-134A refrigerant sitting in my garage for the past 5 - 6 years: are they still good to use?
  5. 1

    Transmission Longevity With Dex VI and Toyota WS

    Concerning the thinner (more shear stable) Dex VI and Toyota WS auto transmission fluids....., has there been testing or studies performed to determine how long a late-model transmission will last compared to those that use more viscous fluids (which tended to shear more)?
  6. 1

    PQI Tests Another Batch of 5W-20's

    New 5W-20 weight oils tested: * Valvoline White Bottle SN, GF-5 * Service Pro Synthetic Blend SN, GF-5 * Speedway SN, GF-5 * SureGuard SM, GF-4 * Delfin Ultimate SM, GF-4...
  7. 1

    Mobil 1 and Amsoil Oil Analysis Comparison

    Came across these two studies where Mobil 1 and Amsoil were put in the same (GM LS1) engine and an oil sample taken every 1,000 miles. Mobil 1 5W-30: <a href="http://www.brianschreurs.org/neptune.spacebears.com/cars/stories/mobil1.html#metals"...
  8. 1

    PQI Tests Another Batch of Diesel Oils

    <a href="http://www.pqiamerica.com/March2013PCMO/HDEO%20SUMMARY.html" target="_blank">http://www.pqiamerica.com/March2013PCMO/HDEO%20SUMMARY.html</a>
  9. 1

    MoS2 and Infineum Tri-Nuclear Additives

    Have been reading about the tri-nuclear moly additives and have a couple of questions: <a href="http://www.infineum.com/Documents/Crankcase%20Technical%20Papers/Molybdenum%20Additive%20Technology%20for%20Engine%20Oil%20Applications%20-%20%20Japan%20Tribology%202009.pdf"...
  10. 1

    Engine Oil and Transmission Fluid Timeline

    PQI America has a simple chart on the evolution of engine and transmission fluid going back to 1930. http://www.pqiamerica.com/timeline.html?utm_source=Copy+of+May+29+2013+&utm_campaign=June+3%2C+2013&utm_medium=email
  11. 1

    PQI Releases Two New Synthetic 5W-30 Tests

    <span style="font-weight: bold">LubriGold® Synthetic 5W-30 API SN, ILSAC GF-5, Dexos™, from Warren Oil Company:</span> http://www.pqiamerica.com/March2013PCMO/lubrigold.htm?utm_source=Copy+of+May+29+2013+&utm_campaign=June+3%2C+2013&utm_medium=email <span style="font-weight: bold">CAM2®...
  12. 1

    Looking for Longer Fram Ultra Oil Filter

    Looking for a LONGER Fram Ultra oil filter - book calls for a XG9688 that fits both of the following vehicles: * 2013 Subaru Outback H6 3.6L * 2005 Kia Sorento 3.5L Fram's websight isn't helping much and company technician says it's again policy to provide alternatives other than the XG9688.
  13. 1

    Life Expectancy of Storing New Oil Filters

    For those who purchased extra oil filters and let them sit on the shelf for a few years........ <span style="font-weight: bold">What is the life expectancy of new oil filters</span>? Doesn't the filter media and gasket material get brittle or harden up over time?
  14. 1

    P0456 Small Leak - Evaporative Ctl Emission System

    <span style="font-weight: bold"><span style="text-decoration: underline">P0456</span> - <span style="font-style: italic">"Very Small Leak</span> in Evaporative Control Emission System"</span>. Application is a well maintained <span style="font-weight: bold">2005 Dodge Neon SXT</span> with...
  15. 1

    Piston to Cylinder Clearances

    Engine Design Question: Have the piston to cylinder wall <span style="font-weight: bold"><span style="text-decoration: underline">CLEARANCES</span></span> in new engines changed over the past 20+ years?
  16. 1

    Which Coolant Replaces Subaru's Purple Coolant?

    Have a 2013 Subaru Outback 6-cylinder: In 2 or 3 years (when the coolant is replaced at 36K) what coolant should I use? Thank-you in advance of your expertise.
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