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  1. Falcon_LS

    Amsoil 0W-40: AZF vs. EFO

    I'm trying to get a clearer understanding of the additive packages of Signature Series 0W-40 (AZF) and the European Car Formula 0W-40 Full SAPS (EFO). From what I can gather: Signature Series 0W-40 (AZF): Seems primarily focused on North American specs: API SP, GM dexos R, Chrysler MS-12633...
  2. Falcon_LS

    Ravenol RCS 5W-40

    I've been looking at some data I've kept in an old spreadsheet for different oils and noticed this one for Ravenol RCS 5W-40. I believe I found the VOA on Oil Club RU a while back. Flash Point °C (°F): 246 (475) Pour Point °C (°F): -57 (-71) cSt @ 40°C: 93.9 cSt @ 100°C: 15.03 Viscosity Index...
  3. Falcon_LS

    Review: 2025 BMW 530i

    While I understand sedans may not be the most popular choice for car buyers these days, I have a personal fondness for rear-wheel-drive sedans, especially the BMW 5 Series. So, for my latest automotive adventure, I decided to try something a bit different: the 2025 BMW 530i. I'll do my best...
  4. Falcon_LS

    Who supplies JLR filters?

    Wondering if anyone happens to be in the know, I was specifically wondering about the JDE37128. They are made in the U.K. but not much else. Thanks!
  5. Falcon_LS

    Mobil 1 ESP 5W-30 for JLR 2.0L

    The vehicle in question is a '19 Jaguar XF with the 2.0L turbo Ingenium engine. The owner's manual calls for either STJLR.03.5006 or STJLR.51.5122, both of which are a 0W-20 viscosity. Only problem is, Castrol is the one of two suppliers of an oil meeting either specification and the products...
  6. Falcon_LS

    Valvoline Euro 5W-40 Cleaning Observations

    I wanted to share some observations based on my experiences with Valvoline's European Vehicle 5W-40 in three separate applications; a '18 Mitsubishi Pajero 3.8L V6 (6G75), a '10 Toyota Camry 2.4L L4 (2AZ-FE) and my '05 Lexus RX 330 3.3L V6 (3MZ-FE). All three vehicles had regular oil changes...
  7. Falcon_LS

    Review: '23 GMC Yukon XL Denali (8,659 mi)

    Anyone who knows me will know I'm a huge fan of full-size American anything, and while I'm lucky to have one of the last full-size American sedans, I've always had a thing for Suburbans going way back to childhood. The boxy Seventh Generation was in and it was a beast; sheet metal thick enough...
  8. Falcon_LS

    Couldn't Pass It Up

    Although quite a bit less than KBB Value for a similar vehicle in Southern California, there was still a minor premium on it locally and just couldn't let it go. 2005 RX 330 AWD with 55,314 km (34,571 miles), all original with the exception of the battery, tires and wipers. Factory paint, zero...
  9. Falcon_LS

    Struts for 3rd Gen Honda Pilot

    Looking to get a pair of front struts for a 2018 Honda Pilot. The factory units started leaking with 28,000 miles and they cannot be replaced under warranty because the vehicle is USDM and currently outside the U.S. Looking online, the only option appears to be OE: 51611-TG7-A01 (passenger) and...
  10. Falcon_LS

    Anyone using Amsoil Heavy-Duty Antifreeze & Coolant?

    I recently replaced the water pump, radiator, all cooling system hoses, coolant reservoir and cap on my Grand Marquis as part of a cooling system upgrade. Although the system was clean and rust-free, I still flushed it out and did a citric acid flush, followed by a thorough flush and back flush...
  11. Falcon_LS

    C-Wire for Nest Thermostat

    My ancient Honeywell thermostat died on me, and I decided I would get with the times and replace it with a Google Nest Thermostat. I have a York commercial rooftop unit with a single cooling option and three wires, so I installed it according to the configurator in the Nest app: Yellow to Y1...
  12. Falcon_LS

    Air Filter after 2,160 miles in Service

    This is a Fram Tough Guard TGA3945 for the 4.2L equipped GMC Envoy that went into service on 01/29/2022 and was replaced yesterday after 2,160 miles. I tend to replace air filters pretty regularly, in this case when the OLM hit 75% and I did a simple drain and refill of the engine oil. You also...
  13. Falcon_LS

    Quality of New Parts, Once Again

    On Thanksgiving Day, I replaced the factory oil pressure sensor on my GM 4.2L L6 that had 227,462 km (142,164 mi) on it, because it would intermittently show no oil pressure on the idiot gauge and cause the check gauges light to illuminate. The replacement was an OE GM part (12635957) that was...
  14. Falcon_LS

    More Bad Luck with New Parts

    The factory Motorcraft AC compressor on my Grand Marquis failed last year, and I revamped the entire system in July with the following components: Compressor: Denso 471-8106 (Korea) Compressor bolt (forward): -N806184-S437 (United States) Compressor bolt (rearward): W705858-S301 (United...
  15. Falcon_LS

    Bridgestone Alenza 001

    After 27,000 miles the Michelin Latitude Sport 3 (255/60R17 106V) tires on my Envoy are pretty worn. They are pretty decent tires, but it seems longevity is not one of its strong points; even with regular rotations (and road force balancing if required) every 6,000 miles and maintaining the...
  16. Falcon_LS

    OBD Relearn Tool

    Vehicle in question is a 2018 Pajero/Montero. Got some new Yokohama shoes put on, and the TPMS light appeared straightaway after installation; I was told I need do a "relearn" and performed the procedure outlined under "TPMS Reset" in the owner's manual. Unfortunately, that hasn't done anything...
  17. Falcon_LS

    Ford HVAC Air Flow Issue

    This is a bit of a weird one. 2001 Grand Marquis with manual HVAC controls; in any of the positions where air should be directed through the air vents in the dashboard (Vent, Norm AC or Max AC), it starts off in defrost mode, directing air flow to the windshield. If this was a constant vacuum...
  18. Falcon_LS

    Review: '21 Suburban Z71 (14,574 miles/6 weeks)

    Been MIA for a while, since I was home on vacation and being a huge fan of full-size GM SUVs, this is what I got to drive. The variant I had was a 2021 Suburban Z71 with the 5.3L V8 and 10L80 transmission. This is a very smooth drivetrain, but for better (long term ownership) or for worse...
  19. Falcon_LS

    Auto E-Brake Release - Any Ford Techs?

    Vehicle in question is a 2001 Grand Marquis with vacuum operated automatic parking brake release. Never had a problem with it, but the parking brake did not disengage completely the other day, when the transmission range selector was moved to the Drive position. I had to use the parking brake...
  20. Falcon_LS

    Cool Off Period After Driving

    It's gotten pretty hot again here recently; 100°F at 06:00 hrs, and usually in the 118°F-125°F range by the time I get off work around 16:30 hrs. The 4.2L L6 in the Envoy has a 195°F thermostat, which is alright during the cooler months of the year, but does make for some cringe worthy moments...
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