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Once a year is more than fine with that mileage on HPL's oils. Guys on bitog are doing 24k mile intervals over like 2+ years IIRC. I haven't seen that tried with Redline other oils, I doubt they'd stand up like that. I don't know where you live, the 5w-30 might not be the best choice in...

HPL's basic PCMO is probably cheaper/quart than Redline at this point. They do have more expensive oils, their "super car" is quite pricey but PCMO is still better than anything else and is all we need (it even carries the "meets or exceeds MS6395" label if you like that kind of thing) You can...

Just another reason to go with HPL; their oils stay in grade and do not shear down. This is backed up many UOA's, including my own. They use very high quality polymers, or none at all in the case of their NO-VII line.

No. HPL has proven success, no religion required. The reality is, many people are experience lifter failures. We don't have proof of why, but we do have at least one engineers/machinist expert analysis which said (paraphrasing): "there was sufficient oil, but the oil failed to meet the...

GM (and Ford for that matter in the past) has proven that viscosity plays an even more important roll once material starts to degrade. This isn't about "fixing the issue", its about keeping your engine running as long as possible. Hemi cams and lifters degrade as well, speculation on what goes...

Since installing it, I can sleep in piece knowing the buttons on my steering wheel will live to serve another day, I don't they they were engineered to survive the frustration of an MDS hating owner.

If you're towing, I'd definitely be running 5w-30. Redline is popular, personally I'm running HPL as its a better oil. The 6.2 recall is due in part to rough surface finishes, the rougher the surface the higher viscosity you need to get that film. But we can apply this same reasoning to our...

Before you do all that: 1) remove your active grill shutters (all but the top and bottom 2 rows; this keeps the structure intact, but guts the inside so that air is constantly flowing over your engine) 2) install a 180F thermostat. your water temps will drop and stay much cooler, and your oil...

They already have a supercharger on it making north of 1000 HP.

I wouldn't use Seafoam, it's pretty harsh IIRC. Instead use something like this HPL's engine cleaner. It is a fully formulated 30 grade oil (so it doesn't water down the friction modifiers/anti wear/VII's etc of the rest of your oil) and is designed to clean your engine somewhat slowly so as...

This is the only good scenario, trouncing your wife ... wait, that sounds wrong, I'll stop there.

I'm (obviously) completely green when it comes to aftermarket suspension. How do the 5100's work when it comes to raising your front end? You just need the shocks themselves, no other hardware to lift the front a bit? I'm thinking I might go 893's and get a bit of unintended lift in the rear...

Do both the 891 and 893 HD's have a tendency to slip out when the axle is dropped down? Only reason I haven't pulled the trigger yet, kinda worried that this might cause issues down the line.

2 years ago I would have said something like "over 80%". A lot of guys here apparently just want power and don't care about how they get it so the hurricane comes along and takes a bite out of that. For me the devil is in the details. Just like they reserve the HO for the bankruptcy trims, I...

This screenshot below is from a guy who tests a bunch of these trucks, both towing and MPG performance. That hurricane is the SO too, not the HO which is probably worse yet. Mind you I really don't care, but it shows how bad turbo gassers are vs NA. The 2.7 turbo max has only 310 hp so no...

Yes, you absolutely should be running higher viscosity in the hemis lol. I'm giving you like 10 different points in the map, all you have to do is connect the dots. I did watch the entire video, I didn't miswrite what he said, you're the one who made the error here WRT "increased wear" instead...

Expanding a bit on the temperature thing; you can notice an increase in temperature "in the lab" or the dyno, but in the real world it just means your cooling system takes care of this for you. Maybe your fan kicks in sooner, or your thermostat opens quicker, these are not issues we need to...

Also, he doesn't say higher viscosity increases wear. He said it increases temperature (which I never noticed in my truck). He did say, sometimes higher viscosity doesn't lead to less wear in the UOA's he saw, that's not the same as saying increases wear. The UOA's I've done personally on...

He doesn't mention "hemi", but you have to do a little more thinking. There are a few points to take away from this which are not 6.2 specific: higher viscosity always offers more protection, viscosity is temperature dependent, higher viscosity will not cause problems for MDS/VVT etc. I don't...

Here is a great watch by an oil expert (he claims in the video that he was involved in an oil study with GM for this engine line). Bottom line, you should be running higher viscosity in the hemi's.