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I picked up a 2000 Miata to be a dedicated track car. These cars are known to lose wheels when the hubs fail... the fix many Spec Miata racers do is to take apart the sealed hub bearing assembly, remove all the balls and races, and repack with a better grease. Part of the problem is...

IMO not a problem to worry about... ...BUT since this is BITOG... You could try and do what people do to dehumidify gun safes: have a couple incandescent lights powered at all times... One in air intake, one in the exhaust. Frankly I'd be more concerned about flat-spotted tires, rubber hoses...

Quick follow-up: I did the track day, we got SIX 25 to 30 min sessions. I put 167 miles on the car and had a blast. No overheating, no ticking or knocking, etc. Here's a short video of the day, I will post a UOA when I send it out. I'll probably still run it the full 5k(3k to go). And a...

Originally Posted By: Virtus_Probi Originally Posted By: TKFD Got another question about oils for my engine. At the moment I am running 10W-40 full synthetic high ZDDP oil (Penrite racing). After a hard run oil temps get to around 100degC and pressure drops from around 300kpa/44psi(warm) to...

https://online.lubrizol.com/relperftool/pc.html

I run it in my wife's 2012 4cyl Equinox because it burns oil like many do, and I get it cheap through work since they're our primary supplier. I think it's something under $3/qt. I do have a sample I'm waiting to send off, it was run for almost 7k miles IIRC, down to 5% on the OLM with 2 qts of...

Well, I am actually going to skip the Gripfest event(the standing start single lap at a time event) and am just going to do the HPDE instead. Both events cost the same, so $175 for maybe 10 laps.... Or $175 for four 20min lapping sessions. No brainer. And the Castrol 10W30 temptation was...

Ford Motorcraft Specialty Green is available concentrated, it is identical to Mazda FL22... Which is same as all the other Asian coolants. For the cost, the Zerex Asian is still cheapest even though it's diluted(at least as far as what's available locally to me)...

According to this thread, all of the long life Asian coolants are essentially identical aside from color(exception being Toyota RED). Zerex was sold to Ashland(Valvoline)... so I'd have no reservations using either one, or mixing the two myself...

Well, I asked a couple B-Spec Mazda2 racers what they use... One runs 5W20 Amsoil Dominator... The other runs 0W20 Mobil1 Extended Performance. For full races. No engine failures from either after multiple seasons. The guy who runs M1 changes it after 3 race hours. So in a strange turn of...

Originally Posted By: edyvw Run Castrol 0W30. It has HTHS 3.58cp and it is better then ANY ACEA A1/A5. However, it might be an overkill. If you are concerned about "track" (like someone said, that is really not track) why you do not get Redline 0W20? Eh, I don't really believe the boutique...

Originally Posted By: buster I'd use it. NOACK of 8.5% I believe and it's a very well formulated oil. Thanks Originally Posted By: Ohle_Manezzini 2 minutes runs don't even make the oil hot to break down. That's not really a track time. Yeah, which is why I'm not looking to run a 40wt...

2011 Mazda2, daily driven and auto-xed extensively, been running 0W20 PP with great results. Previous UOAs here Currently awaiting a UOA of 0W20 Castrol Edge with 100+ auto-x runs on it too, FWIW. I have a track event coming up on Oct 29th... It's not multiple 20min continuous sessions...

Well testing hasn't gone completely as planned... I drove an hour to work on Monday... only to find out that I had the day off(requested it off a LONG time ago because a 2 day event was planned, but ended up not being able to make it for other reasons, and forgot I had it off... ha). So that was...

Originally Posted By: DoubleWasp Donaldson Powercore filters are available as a double flange design, which makes ducting a breeze, since you need only attach piping to both sides. Don't take your air from down low. Your intake will absorb an exaggerated amount of dirt, just making your filter...

I also have a Mazda2 - in other markets it is specified to run 5w20, 5w30, and even 10w40. You'll be just fine. FWIW I run 0W20 PP or Castrol Edge and autocross it heavily, 0w20 has shown no issues. Also 5w20 vs 0w20 should be pretty close in viscosity at "normal" temperature(not way below...

And today(Friday) - traffic was a good bit lighter today which was nice. Temps weren't terrible, but still room for improvement. Hopefully I get a chance to make some headway on my project this weekend.

Will do! Baseline testing intake temps on my way home from work 3 days this week. This I with DDMWorks filter, and Corksport air duct. All done over 15-20min, all stop and go traffic going down Jefferson Avenue in Newport News. Car sitting 9+hrs, start up, and go/start logging within 2-3min...

Originally Posted By: slybunda Does it not overheat when autocrossing? The car's cooling system? No. The air intake sucks in hot air from the engine bay waiting to go, IATs climb up giving noticeable power loss for a good 25+ sec of the run. They drop once I start moving, but they climb up...