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  1. Opinions on PRL HVI filter

    Aftermarket intakes filter quite a bit worse than the oem intake. I'm running the AEM dry flow because various forum members have gotten very bored and are obsessing over small stuff like this but one huge down side is the intake noises are much quieter which sucks.
  2. 🔴💊 Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis

    I live in the PNW so the coldest we typically get is 20-30s. I have no concerns with 5W-30 in that range but if you live somewhere much colder then it certainly makes sense to consider a 20 grade oil. You can obviously run 20 grade oils anyway for a number of other reasons but it getting super...
  3. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    Got mine last week too. I wish I'd have known it was actually going to be available otherwise I would have waited to do my last oil change. I opened the oil filters up and they're all oily on the outside lol.
  4. Fuel average after 5W30 oil

    I wouldn't run 91 octane instead of 93; that isn't going to drastically change your fuel economy, to be honest. Just run another tank of what you typically run, assuming you're not buying hot dog water fuel. I wonder if you got some higher ethanol fuel somehow? That may explain some weird...
  5. Fuel average after 5W30 oil

    With that noticeable tapping/knocking noise I would certainly get that checked out. The 5W-30 is not the cause of your problem that is for sure.
  6. Fuel average after 5W30 oil

    I didn't notice ANY difference at all, and I switched back and forth a few times (0W-20 and 5W-30 Pennzoil Ultra Platinum). Stock or tuned, it did not make much of a difference. We're talking like a 2% difference between the two, probably at most. Did you somehow reset the average from your...
  7. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    I think it's replacing/superceding Honda Ultimate, so that might be what they mean by replacing old stock.
  8. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    I think part of this stems from the variance in recommendations for oil capacity. It varies from 5.4 to 5.7 qts for whatever reason. To be honest, I thought it was 5.7 qts; it's clearly stated as 5.7qts in the manual, but in my experience, the past few oil changes, 5.7 is a little overfull in my...
  9. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    https://www.straferacing.com/contact You can just send an email through their contact page and they'll send an invoice for you to pay.
  10. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    Alright quick update, Clark can't ship oil due to new regulations or something they cancelled my order. There are some other Honda parts sites popping up with listings for formula R though. I'm gonna go through with Strafe Racing since it seems they're associated with Honda Stratham and they got...
  11. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    Thank you sir, emailing them now to pick up some 5W-30 :headbang:. $125 for 11 quarts, 2 filters, and 2 drain plug washers isn't bad at all. Figure $5-10 each for the new OEM Mahle filter (15400-RAF-T01 apparently), $25 for shipping, and the oil is $7-8 per quart, which isn't too bad. Edit: The...
  12. 🔴💊 Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis

    So my usage includes no track days because I'm not cool (I would like to at some point). My DE5 is my daily so I do short trip it to the gym on some days, do long drives on the highway, and I absolutely rip it on some backroads. My backroads driving is similar to what I see some folks doing in...
  13. 🔴💊 Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis

    Got my last UOA back (PUP 5W-30 API SQ formulation) and I am happy the results are trending in the right direction again. The viscosity was low, likely due to residual 0W-20 from the last oil change, but my wear metals are back down below 5ppm/1k miles, so that is nice to see. I was hoping to...
  14. 🔴💊 Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis

    Yeah, I think it's a great idea to change your oil around 500-1000 miles to get a bulk of the break-in material out. 0W-20 is fine for these engines, especially with the stock configuration. I run 5W-30 as well and found both to be sufficient, but I prefer to run the slightly thicker oil for...
  15. 🔴💊 Engine Oil Red Pill Thread: Only Post If You Have UOA - Official Honda Civic Type R K20C1 Engine Oil Analysis

    I don't think anyone has done significant particle count testing between oil filters for our engines, or hardly for any car that I've seen that would help us determine that quantitatively. I think the answer is that most of the oil filter options you could pick, including the oem Honda filter...
  16. B1E9A + P0420 + P16EB - Never want to be the first post to reference a code

    Just to add to the DP part: My first TSP dp ended up deteriorating after a few thousand miles, and when I looked inside, it seemed exhaust flow may have been bypassing the cat along the outer wall. The cat had essentially shifted, and the outer edges looked a bit damaged. I had a recurring...
  17. P0101 DTC

    Not yet, it seemed to fit really well, but I haven't taken it off yet to check dust levels. I will at some point but I'm also going to compare the silicon levels in my oil samples to try and quantify the difference as well.
  18. P0101 DTC

    Just wanted to add that I've been running the AEM dry flow (AEM21-2093DK) for a few hundred miles now with PRL FBO and I haven't had a CEL yet. I am running a custom e tune from drob, but I put the AEM filter on after getting tuned. It seems like the AEM filter is a little bit more restrictive...
  19. Formula R: High-Performance Synthetic Engine Oil by Honda Racing

    The price is better than I thought. Hopefully, we can actually purchase this oil at some point.




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