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These companies would do anything to increase sales. The 20k mile claim is very vague (given that most engines today are direct injected, turbocharged, small, and burns oil) and I think we really need more strict regulations when it comes to marketing claims. I would not run this oil for 20k...

I tried to tell him in one of his videos that Mobil 1 esp was a more “advanced” oil than whatever average neutered api oil he was preaching about, and he got defensive almost, saying that Mobil 1 makes the engine noisy and he sees increased wear or something. I don’t know what he was talking...

The cold viscosity of 0w-20 and 5w-20 are actually very very close. Just compare the SDS’s. The statement “If 5w-20 is used, it must be changed to 0w-20 at next oil change” is objectively complete nonsense. It all has to do with CAFE, and Toyota has to recommend 0w-20 at all times for obvious...

I get it for $27/5 quart. Not a bad deal when all the other off the shelf oils are about that price or even higher

Thanks! Seems like a really stout oil. And for the price, I think I’m sold. I’m gonna try running this oil for 5-6k miles. Also, these 4.3 vortecs aren’t that great on fuel economy no matter what oil is used, so I’m not concerned about it. Didn’t notice a difference when I drove 250 miles the...

Running Mobil 1 ESP 0w-30 in my 2001 Chevy Blazer with the 4.3 Vortec. Have been running this oil for about 400-500 miles now. Drove from Columbia SC to Charlotte NC and back yesterday, and its was great. Oil pressure was slightly higher compared to api 5w-30 I’ve been running before. I read...

It will run on that oil no problem. Just stick to any 5w30 and use it. These engines aren’t picky when it comes to oil. I’ve tried pennzoil euro L 5w30 in my 4.3 vortec, and I did not notice any difference. Engine ran like it was supposed to, No need to use anything thicker on these...

Sweet ride! If you want something better, Mobil 1 ESP 0w30 or 5w30 which is also an off the shelf oil and very affordable, will be “better” since Hths is higher, and it is thicker than api 30 grade oils. Every 5000 miles should be perfect for that application, since I’m assuming bronco raptor...

If your engine produces enough heat to make the coolant temp that high with a properly functioning cooling system, it’s a cooling issue, not a thermostat issue. Something is going on to allow the coolant to get that hot. You need to inspect your cooling system and make sure it’s as clean as it...

These types of sluggish feeling after switching to thicker oil is really noticeable in low power gas guzzling older engines, like my 2001 Chevy Blazer with the 4.3 vortec that makes 190hp and 250lbft of torque, mated to a 4 speed automatic that does a horrible job at keep you in the power band...

Bought a big jar of coconut oil at Costco couple months ago for cooking. Glad I found a new use for it! Can finally finish the oil before it spoils.

As a fellow GM 4.3 vortec owner, I’ve always contemplated on trying out 20 weight oil in my engine just for “science”. Right now I’m running mobil 1 esp 0w30, and she runs super smooth. Did the engine run good on 5w20? No abnormal noises? Did you notice any metal shavings on the drain plug...

Sounds like fuel dilution is the main cause of the oil getting thin. Try some Mobil 1 ESP 5w-30. Or Mobil 1 0w-40, it should shear down to a 30 weight range.

I just ran vrp once for 2k miles then went with m1 esp 0w30. I didn’t notice any difference with VRP. My engine was really clean to begin with anyways, so VRP really wasn’t needed. I did cut open the filter, and it looked completely normal, didn’t see any extra carbon deposits. I just wanted to...

2001 Chevy Blazer 4x4, with 4.3 Vortec V6 Out: Valvoline Restore and Protect 5w-30/ Fram Ultra Synthetic XG3980, about 2k miles of service. In: Mobil 1 ESP 0w-30/ Fram Ultra Synthetic XG3980, will run it for 4k- 5k miles. Chose ESP and will stick to it because it’s only $27, and it’s...

Could be a takeoff calculation error, but can’t tell because flaps are blurry in videos. It also seemed like they used up all the runway before rotating. If takeoff calculations were right, something bad happened while taking off, and it probably happened after V1. They had no choice but to take...

I just put in Mobil 1 ESP 0w30 in my 2001 Chevy Blazer with the 4.3 Vortec. 113K original miles when I put in ESP 0w30 in yesterday. I know, a little overkill for an old sbc vortec. But why not use this oil, it’s the best out there from what I’ve read on this forum, and it’s only $27 at my...

I personally would not recommend any heavy duty cleaners. If it running good now, and there aren’t any sludge, you’re fine. Varnish is nothing to worry about. Sludge is what you should worry about, but it doesn’t seem there are any sludge. But if you want to do some cleaning action, VRP 5w30...

How much is a jug of oil over there?

My 2001 gm 4.3 vortec has a magnetic oil drain plug. Every time I change the oil, about every 3k miles, I see stuff on the magnet. Very very fine metal, doesn’t even look like metal because they are so fine. The drain plug has a very strong piece of magnet at the end. If the magnetic oil plug...