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Truck was parked in a heated garage. Two separate occasions it was started and idled for 5-10 minutes to charge the battery.

Truck got very little use February and March. It’s a possible explantation.

Here’s my latest sample. Copper is trending down nicely. In service from December to July. About half mileage was a 4k road trip with 2k of it being very heavy towing on the way back. Using Microgaurd select filter. Zero oil consumption. I just can’t imagine what a 20 weight would have turned...

My sample isn't 100% reliable because it the OCI was started around 9k miles the engine is still breaking in. I have a new sample in the mail with 8k miles with heavy towing. As you can see in the sample below the oil took a beating. However thankfully I used a proper 0w40 because it gave me a...

I’m on my 3rd oil change on my 24 Sierra 1500 5.3 with Amsoil Signature 0w-40. I did a sample at 6k. No way I’m ever using 20 or 30 weight oils.

I'm thinking about my 60k service on my 21 Outback 2.5 next year. Currently at 52k. It's a chore but I'll probably pull out clean looking plugs.

Sure why not spark plug pics are always a treat.

For me the value seems to be trust as far as product quality. Although AMSOIL Signature Series is the flagship. I really like the direction they went with diversifying the oil line for different price points. I find great value and satisfaction in the XL & High Mileage lines. I wish they would...

I work on them for a living. I don’t need data. IFE is a high priority item. If there are any screens inoperative they are fixed ASAP as it’s a big deal for customer satisfaction. Of course being items that receive wear and tear from thousands of pax doesn’t mean it doesn’t break. Atleast where...

Well you said you can't imagine the repairs and complaints on the screens. I'm just saying they're more reliable then you think.

False hundreds of thousands of hot meals are served daily on domestic flights.

This is only at AA. Airbus has nothing to do with it. IFE is fairly reliable. Screens are very good for the most part. I'd say 99% or more working on any given flight. The screens are cake to change. Customers want IFE and WIFI. Very uncommon to see massive IFE outages. Simple power cycle fixes...

Absolutely not, This is an AA thing which has backfired. DAL and UAL have IFE.

Any updates?

Best on the market. Their ratchets are unrivaled. I can never use another ratchet again after the low back drag on the Z series.

What about combustion chamber cleanliness?

I'm looking for more information on these products based on my applications. So, I've been using SL-1 & P.I for typical GDI cleaning every oil change for vehicles. Now I have a new 2026 Harley Davison 117 V-Twin, lawn mower, and soon a snow blower. I've been treating the new motorcycle at the...

I cut this a few weeks ago and forgot to post. No idea.

Harley Davidson factory oil filter made by Mahle. Came off a 2026 Softail Heritage 117 cu in with 50 miles.

Any update?