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If you track your car, you should never let any brake fluid go for three years. Castrol SRF is great in that application in that it can get you through several track days and you can change it once a year. I (mistakenly) skipped a year in my GT350 once, and didn't notice a difference on track...

Yes, they also have a specific oil filter for the S2000. But the rest of the lineup uses the standard oil filter and DOT 3, and that makes sense logistically to stock those items deep at every dealership. It's not a big deal, you can change to DOT 4 as you wish.

To answer OP's question, I think Honda uses DOT3 in everything. So kind of like there being one oil filter to stock, they have one type of brake fluid to stock. If you track the car, swap it for the DOT4 of your choice. Can't go wrong with Castrol SRF. Google AI search results are wrong...

This is probably one of the best videos Lake Speed Jr. has put out: This must have been quite expensive to produce. Some of these oils were API and some not. I suspect a lot of store brand API oils with more conventional synthetic blends would perform closest to the M1 or PUP. For those...

@ashmostro has a slave cylinder with the CDV removed in the for sale section: https://www.civicxi.com/forum/threads/cdv-deleted-clutch-slave-cylinder-from-2025-its-fits-fl5.60371/#post-1003593

I installed the Sirimoto version. I agree that a single line would be ideal, but the Sirimoto has the benefit of looking OEM if you're under warranty. Either will have the same effect though. If you're deleting your CMC damper, you should also delete your CDV valve.

The only size of winter tire I find on TireRack in the OEM 265/30R19 size is the Michelin Pilot Alpin 5. They're quite expensive in that size at $400/tire. 255/35R19 has more options, but still spendy. I would echo others regarding going to a different wheel. With a dedicated winter wheel...

Literally not wrong at all. BMW products are the absolute worst with this. I remember the joy I felt upon discovering that Bimmercode had the ability to turn off the "speed correction" in my Supra, only to find out afterwards that it simply changed from reading 6mph fast at freeway speeds to...

With as much as I drive each the winter (maybe a couple thousand miles) I get about five seasons out of a set of winters, and when I retire them it's usually because the compound is getting hard, not because of the tread depth.

I think OP might be referring to the difference in tire circumference throwing the speedometer/odometer off. I solved this by getting the right size of tire but he's trying to reuse a set he already has.

I take one of my microfiber drying towels, soak it in hot water and then wring it out as much as I can, and spritz on just a little bit of automotive-grade (ammonia-free) window cleaner on the towel. On a lot of interior surfaces, you're just trying to remove dust and odd bits of grime. A damp...

For the mileage and use, I'd be pretty happy with that. Flashpoint on a Blackstone analysis can be strongly influenced by how the car was driven (and in what temperatures) immediately preceding the oil sample being taken. I have noticed that on my UOAs, it will always be lower if I was idling...

Agreed. Also, having an oil cooler can be literally just as good as going up in viscosity. Roughly speaking and all else being equal, for every 10°C of temperature you can reduce, it's equivalent to increasing your SAE viscosity by about 10. So a 0W-20 operating at 80°C will idealistically...

Isn't it amazing how much of a difference it makes despite all the naysayers who insist it's a figment of our imaginations? Somebody should buy OP's pre-deleted slave. Will save you a bunch of time.

Those look a lot like the OEM Integra Type S design in the last pic. Which Enkeis are they?

So I think part of what you're missing here is that your 18x8.5 +38's will not have the same appearance as the wider wheels that most folks use (for summer purposes) because the face of the wheel on yours will be sunken in a good deal compared to those wheels. If you want to get a good idea of...

It's important to ask the counter-example: has anyone lost a bottom end running 5W-30 or 0W-30, where running 0W-20 would have prevented the issue from occurring?

I don't doubt it, but in a data set of 7,000 oil samples things are going to be biased towards the lowest common denominator. Is the lowest common denominator folks who take their cars to a race track and beat on them for 15-20 minutes at stretch? No, it's people who just use their car as an...

To OP: honestly those look great for a winter setup. You wouldn't want 8.5" wide wheels for summers anyway, too narrow. That video gets paraded around as if it's the end of the debate. The YouTube channel that put it together is pretty excellent and they should know better, but they failed...

This is an excellent thread. Lake's videos often contradict a lot of my biases and I've learned a lot from them. I have a decent amount of data from one of my cars that I've tracked with 5W-50. Really good wear numbers on that car. UOA is a great tool, however it's only giving you part of...