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I'm choosing the DP that has been shown to flow above what most people are going to do even with upgraded turbos and fuel systems, which also doesn't require you to "tune" out a CEL, all day everyday. The TSP DP is so solid I wouldn't really consider another DP unless they offer that same...

The TSP is designed to use the factory heat shield as well, BUT the mounts do not align well with two of the holes on the heatshield so you may have to drill out the holes a little bit on the heat shield itself. It's not difficult to do, you just make the holes a little bigger but yeah I had to...

You're right, in terms of mods that are "worth it", it is primarily just tuning the car and then you probably want an intercooler to maintain power levels. Intakes and downpipes free up restrictions to make some more power on the stock tune, but once you tune the car, the differences are pretty...

I installed the TSP DP and PRL front pipe at the same time so I can't say for sure the front pipe makes this difference, but to me it seems like the front pipe really helps with sound. Like in cabin while driving I notice there is way more exhaust sound and new frequencies I can hear right under...

I mean yeah 5w-50 is an insane viscosity difference you might be putting the oil pump into bypass in and out or something lmao. It is going to be difficult for an engine designed for 0W-20/5W-30 to cold start a 50-grade oil since the oil passages and pump were designed for a much lower...

Maintaining sufficient oil viscosity is the most important aspect of an engine oil. -> Run 300V 5W-30 (11 cst), it shears down from 11.1 to ~9 cst -> Honda says you can run 0W-20 (6.9-9.3 cst) or 5W-30 (9.3-12.5) -> Sheared down 9 cst 300V is still at the high end of the 20 grade -> You are...

Note how they're using a 10W-60 race oil on the track in a car that calls for 0W-40 from the manufacturer. I don't think anyone is going to try to prove this wrong because that AI result is consistent with and pulls its information from what is conventional knowledge at this point.

Sounds like you did a textbook change to me then, maybe the residual oil and 300V mixing did something weird or perhaps it's normal due to mechanical shearing, etc. You also have a solid plan IMO. I'm not really looking to find the "perfect" OCI or oil either tbh, but I do find the...

"More toward 9.3 cst" meaning I want an oil that is closer to that. So yes 9 is closer to that lol. Tracking the car? I'm putting 5W-30 in it because at track temps it will be in the 0W-20 range in terms of viscosity with a higher HTHS and wear protection. Running 0W-20 at track temps is...

The viscosity is within range for a 0W-20, though it is a bit on the low side for only 1,000 miles, but obviously being track-used that makes more sense. I would use a higher viscosity oil to keep it more in line with 0W-20 at street temperatures. I use SAE J300 viscosity ranges, not whatever...

I have Paragon P2 pads front and rear on my car with PPS1557 anti sequel shims on the rear and their PPS370 titanium shims on the front. So far I don't really think they dust less and the performance is similar though the feel is a bit different. I think the stock pads had more initial bite but...

So I replied before you added more to your reply. We can speculate and say the calculated oil temperature is thrown off more by running 5W-30, which we don't know and it's not a real oil temp reading regardless, but the point is that the oil is very hot and oils formulated for racing...

Yeah that makes sense. Ultimately if you can try to hit that magical 5ppm wear metal per 1000 mile target that LS Jr. mentions after the material from break-in is gone, then you're doing great. Including the visual inspection part that is, which you may want to get a magnetic drain plug for or...

Using oil analysis is great and gives you a lot of data to make decisions on. What I'm saying is, there is already a well established relationship between high oil temperatures from track usage and oil viscosity. This goes for the FL5 as well, which you can very easily find videos on YouTube of...

You're not going to prevent high oil temperatures on the FL5 by using 0W-20 over 5W-30 so I wouldn't worry about heat transfer characteristics between the two viscosities. At high temperatures, the viscosity of the 5W-30 will be more optimal than 0W-20 for bearing clearances and that is what you...

Yeah personally I would not run any API SN or SN+ oils and there are quite a few generic API SP oils out there that aren't worth buying IMO. There are some big-name brands that people love with lackluster additives which also struggle to maintain their viscosity. Typically Pennzoil Ultra...

Yeah tbh, I'd rather not have that high moly content for the factory fill due to it being counterproductive for break-in and the elevated calcium levels won't help LSPI potential. Once you get through break-in, it would be ideal if the Type 2.0 oil had the high moly content of the factory fill...

The difference in calcium and magnesium levels between samples is pretty interesting here. Looks like the factory fill is closer to an API SN/+ era formulation while the virgin sample seems clearly SP. It's also interesting that the virgin sample has practically no moly in comparison as well...