Should we switch to 5w-30 Oil?

Perry Parts V3 Bump Stops - I am fully sold

TrailJustin · 2026-02-04T15:35:04+00:00

I had the opportunity to be one of the early testers for the new bump stops from Perry Parts. There’s a lot that makes these bump stops different, and I want to be clear up front: these are not the same bump stops currently listed on the website. The new gen is a whole new design altogether. First thing you notice is size. These bump stops are much larger, they’re tuneable, and they’re designed to expand with your build over time instead of being something you replace later. The biggest design change is how they’re built. There’s a base section, and then the attachable bump stop itself. The base stays the same, while the bump stop can be changed out for a larger version, different materials, and more options in the future. The idea is that the bump stop grows with your build instead of being an afterthought. For example, if you start with a 3-inch lift and later move to a 6-inch lift, you won’t need to redo everything. You’ll just be able to screw on a different bump stop and keep moving forward. The design of the bump stop itself is honestly pretty genius. By using 3D printing, they’re able to build internal air channels and chambers that you just can’t easily do with injection molding. It’s not just about the material compressing—the bump stop is actually moving air in and out, which adds another level of tunability when it comes to controlling suspension travel. To top it all off, the packaging, instructions, and overall experience were just nice. You can tell this is an American-made company that actually cares. A lot of parts show up thrown in a box with a packing slip and maybe a sticker. These didn’t feel like that. It felt like someone actually took pride in what they were sending out. I’ll share more once I get some more time on them, but so far I’m pretty stoked on the direction Perry Parts is going with these.

TrailJustin

Member

Jan 3, 2026

Could this be causing the problems with the new motor? This information was posted by a guy on the Facebook pages who was doing some testing with a ScanGauge plugged into the truck while driving.

You can clearly see the issue: at idle, the oil pressure is around 4 PSI. That seems crazy low.

On these new motors, Toyota uses a variable-speed oil pump. This is done to squeeze a little more efficiency out of the engine by reducing drag at idle. The idea is that lower pump load equals better efficiency. However, people are saying that when oil pressure drops that low, the oil may not be sticking to the bearings as well. The theory is that running a thicker oil could help the oil maintain better film strength, so when pressure is that low, metal-on-metal contact doesn’t happen.

Honestly, if this really was a problem and the solution was that simple, you would think Toyota would just come out and say it.

Should we switch to 5w-30 Oil?

TrailJustin

Member

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