Tag Archives: Castrol EDGE

Mazda MX-5: Miata Spring Maintenance

Been a while since I did any work on my car. For most of the winter I didn’t even drive it. But after starting anew job it’s once again my daily.

So at almost exactly 5k miles I got to do my first oil change of 2018.

Car feels great with fresh fluids. Over the last 5,025 miles no oil was burned by the engine, it was still fairly brown and viscous which is great. I’ll be putting about 100 miles a week on it now going to work, so I’m assuming next oil change will be end of the year.

BMW Z4 Roadster Maintenance Day

Today was a Bimmer maintenance kind of day… after taking the car out yesterday to get new rear tires installed I had to talk the owner into doing oil and all the filters change… after all it’s been nearly a year since the last oil change I did on this car.

Interestingly enough the Bridgestone Potenza’s the car had fitted only 20k miles ago were bald. So she went with a newer Bridgestone run-flat that seems to be a much softer tire, drives smoother.

…and it was significantly cheaper price wise than the Potentza’s.

Driving the car to the tire place I noticed the TPMS was illuminated on the dash… turns out someone tried to patch the run flat…

I liked the idea of two jacks lifting the whole car up, I went and ordered a second jack for my garage. Lucky for me Sears had one deeply discounted. I picked up a Craftsman low profile 2 1/2 ton jack for $23 dollars out the door!

Driving the Bimmer I also realized that as similar as this car is to my Miata, it’s significantly different also. Besides the obvious 6 cyliner vs. my 4 cylinder, it has a bigger fuel tank too.

old vs. new tires

When I got home I also went shopping for some Air Filters. I had already ordered the oil and oil filter from Walmart previously, by far the best place to buy oil at only $26 bux a jug for 5QT and $8 bux each additional QT… and another $10 for the oil filter. I went with Castrol EDGE 0W40 Euro Formula like last time.

Walmart didn’t have the air filters. So I shopped around and it’s amazing how arbitrary the pricing is. Both online and in store. Advance Auto had it the cheapest, the Wyckoff store had both the Air Filter and the Cabin Air Filter for $23 total. (*$4 off per filter), I had some gift cards I wanted to use up so I went to the store and the price there was not discounted showing up at $33 total. So I stood at the counter and placed the order on the Internet. It showed up in their system 5 minutes later and I walked out with the same product for $10 bux less than what they sell ins tore. I didn’t get a chance to use my gift cards though… Touche!

I did some more research for the identical filters online and Pep Boys had the air filter two bux cheaper, but cabin filter was nearly double the price… and I’m talking the same exact Purolator stuff.

Anyway…

I love this Bimmer. I got to drive it long before I bought my Miata and in many ways this car inspired me to ditch a big four door sedan and start looking for a little red convertible, my very own roadster.

Much like last year the weather was kind of iffy… but the rain held off

I tackled the Air Filter first… as expected there was a lot of debris…

I don’t believe it was changed in a long time… comparison of old vs. new below:

The Cabin Air Filter was next, and it wasn’t much better. A ton of leaves came falling down out of the cabin filter slot:

So I made sure to vacuum everything in there to make it nice & clean

And the final job was to do the actual oil… first time using my new Craftsman jack, fresh after being picked up in store just minutes ago

Using two jacks makes life so much easier!

It’s amazing that this little car uses almost 7 QT’s of oil… it seemed like it was pouring out there forever:

I left the thing unplugged for a good half hour so all the oil dripped out, but when I went to button it up it was still dripping!

While waiting for the oil to drain I did the filter change on top of the engine which is very convenient!

I don’t know how these mechanics do it… it wasn’t particularly hot day, maybe in the upper 70’s F and I was sweating bullets!

Had to go take a shower when the job was done…

Filling up with oil took no time, and unlike last time when I poured 6QTs in and bought another one of which only half was used, I went ahead and poured in 6.9QT like the forums recommended. The car has no dip stick so I relied on the onboard computer for the read out. The level went up when I went for a drive. And I was more comfortable with it being over half on the read out than on the first mark like in the previous time I did the same oil change. Car felt super smooth after the oil change. I’m really pleased with the way everything worked out.

And it’s time to return the car to it’s owner… What a joy it is to drive!

Mazda MX-5 Miata Maintenance Day

Today was a good day!

After the post maintenance test drive my toddler nephew exclaimed: “Oh look it’s Mia and Tia!”

Last week at the Woodcliff Lake Cars & Coffee my buddy Bill with the NC1 Copper Red Soft Top said he needed an oil change, so I volunteered to do it for him. Great! Today was the day to do it, perfect weather… lots of time since it’s the weekend, and besides the oil change we flushed the rear diff too.

Bill’s NC is pushing 104k miles, so it’s got a few more than mine. The area where the trans pairs to the engine was a bit covered with oil, which I guess may be normal for that age. It certainly looks similar as my high mileage Ford Explorer that my mom drives. There was also a lot of grime on the engine cover so I spend much of the time cleaning as the actual oil change took very little time. Actually, it took us the longest to figure out where to jack the car up correctly since his has an Appearance Package with side skirts that stick out beyond the pinch welds that I normally jack my car by.

Here’s some pix:

(first shot with my new Samsung Galaxy J3 6 “budget” smart phone)

Bill’s Miata:

The dreaded Sports Appearance package side skirts… look good from a distance, make the car seem lower to the ground, but a bit tough to work with especially when jacking the car up (and having to remove the jack leaving jack stands in place to lift the other side).

I don’t know if these openings are supposed to look like that or the previous shops/mechanics cut a piece out to get to the jacking point

The wet spot at the joint of transmission and engine

Bill lowered his car 1 inch with Flyin’ Miata Stage 2 kit, so we definitely had to use 2×4’s to get the front high enough for my jack to slide under

All done, first test drive to Advance Auto to recycle old oil and to buy gear lube to flush the rear differential.

Thanks to the great deal at Advance Auto I posted about earlier I got a chance to use both Castrol EDGE and Castrol EDGE Extended Performance + K&N HP-1002 filters on Bill’s oil change and mine…

Back in the air and leveled for the diff flush.

I was hoping that the Castrol Syntrax I used in my car’s last diff flush was going to work out but it seems to me that the quality of Mobil 1 is better so I recommended Bill get Mobil 1 instead.

Discovered one of Bill’s end links had broken off it’s mounting point to the sway bar, so he is going to order some new ones. These are the same pieces that make the clunking sound on my car ever since we replaced my stock shocks with OEM Bilstein’s.

Off on another test drive to get a feel for the rear end of the car… all Good!

Thansk for stopping by Bill!

My car is next, this time I tried the Castrol EDGE Extended Performance to see how it compares to Castrol EDGE I used for the past two oil changes. I’m assuming there will be no difference because I really don’t intend on running the car for 15k miles before the next oil change. In fact I was about 500 miles short of 5k on this one and I have no regrets, I’d rather change it more frequently then less…

This is my 3rd oil change this year, not sure if one more will be necessary before winter time… depends how many races I volunteer.

Mazda MX-5: Oil Change at Almost 5,000 Miles with Castrol EDGE 5W20 and K&N HP-1002 Filter

Finally! Took advantage of a 59F winter day to do some oil changes in the household. First the 2012 Dodge Grand Caravan which just hit 3,500 miles since the last oil change in August and the Mobil 1 synthetic I put into it looked awfully black. Happy I didn’t wait longer to say 5,000 miles because it would have been unnecessarily dark. The van is only used for short trips and the start/stop engine wear probably contributed to the condition of the oil (as opposed to say higher highway mileage). The Miata too got an oil change earlier than what I planned. It was about 724 miles short of the 5,000 mile interval I have determined to be ideal for my Mazda. Like the van the oil was dark. I used Pennzoil Platinum 0W20 on the last oil change so I’m going to speculate that my car doesn’t  like this oil. It doesn’t burn it as in oil disappearing between oil changes, I never had to top off oil. But it certainly burns to change color from brown to very dark brown. It wasn’t all that black, but it was terribly dark.

Anyway, I’m excited about this oil change because finally I am using Castrol EDGE synthetic motor oil. I mentioned this oil several years ago when I first tried Mobil 1 and prior the time I started using Pennzoil Platinum in order to make an apples to apples comparison between the top readily available oils for my Miata. Sure there are other oils out there that some may consider “better” like Red Line or Royal Purple, but the premium trio: Mobil 1 / Pennzoil Platinum / Castrol EDGE are the most readily available and affordable options on the market here in New Jersey. So finally… Castrol EDGE is in!

My opinion about this oil will realistically be made about 5,000 miles from now when it’s time to replace the oil I just put in, but first impressions are good. There’s no difference in engine sound or feel since changing from Pennzoil Platinum to Castrol EDGE, so I’d say so far so good.

Here’s some pix:

It’s worth noting that I followed Chris’s advice and only hand tightened the K&N HP-1002 filter. Unlike in the past when I turned the 1 inch wrench to tighten it and noticed oil seepage on the top of the filter where it bolts up to the engine, there was none of that this time where Chris did the last oil change for me. So I looked at the way the filter say after he did it, and tried to match the same with my oil change. Looking up at the filter you see just the white side, none of the K&N stickers are visible. That seems to work best. It’s nice and tight by hand-tightening, and that seems to work well.

I also took the time to adjust my front license plate Cravenspeed mount. Lately after driving on the highway it seems the wind was moving the plate out of position (it was askew) so I lowered it about half an inch down to also match the way Chris has it on his car. I think it does look great. Hopefully it sits in place as it should.

Support Motorsport Sponsors?

This post is about motor oil and the holiday season shopping, shall we say- opportunities? Yes! It’s all about great deals on products from companies that support Motorsports through their sponsorship. I don’t know about others but when it comes to effectiveness of Motorsport advertising, I’m a sucker for buying things that are promoted on race cars. In this case it is Castrol EDGE motor oil for my Miata. I think I actually bought too much!

A little back story… I have been posting a lot of Miata.net about what oil is recommended for our MX-5’s. The answer is – surprising! People say it doesn’t really matter what you use in the car as long as it is changed regularly because most modern oils sold in the US right now are “good” and therefore no one is better than the other. That said many on the forums use Mobil 1 in their cars. And Mobil 1 sponsors quite a lot of Motorsport. So like sheep I went ahead and bought two 5QT jugs within the first year of ownership of my car and that is what I used. Until I became puzzled by the dark/black look of that oil when I changed it at 5,000 mile intervals. It did not seem right to me especially since Mobil 1 advertised the oil is good until up to 15,000 miles. Yikes!

The two Mobil 1 5QT’s that I bought were mysteriously priced low, at just $5 a jug… which is ridiculous. Normally the price is $25 at Walmart and $35 everywhere else from AutoZone to Advance Auto Parts. My alternative to Mobil in the second year of ownership turned out to be even cheaper to source. I decided to go with Pennzoil Platinum because again Pennzoil sponsored a lot of racing, some people on the forums swore by it (although there weren’t too many of those people, not nearly as much as Mobil 1 evangelists) and it was fairly cheap! Regularly priced at $25 to $30 from Walmart to the parts stores, but constantly on sale and with promotions from both Pennzoil and other sources that at some point cost me as low as $4 for a 5QT jug or in one case, I basically was paid to take the 5QT jug from the store after all the promos and rebates. (Pennzoil is famous for it’s $10 rebate or rather $2 per QT rebate up to $48 per calendar year, which is a lot of jugs). In 2016 I used Pennzoil Platinum exclusively. I liked it so much that I even got the Pennzoil Platinum High Mileage ATF for my JWS-3309 Aisin Transmission. Mostly 5W-20 felt amazing during the spring, summer and fall months. But using 0W-20 in the winter made the engine sound louder, which really perplexed me. I bought another 5W-20 jug to use later but also started considering alternatives, and now decided to start sourcing Castrol EDGE to try next.

There is a post I made two years ago after my last Mobil 1 oil change that I was contemplating trying Pennzoil Platinum and Castrol EDGE, and sharing that plan in a post created a goal which I am now going to meet. In 2017 I will run Castrol EDGE exclusively in my car and I’ve already sourced enough oil for 3 oil changes which is basically the 15,000 miles I plan to do in the coming year. I decided to go with the 5W-20 weight standard black bottle and not the gold extended performance bottle since I am only daily driving the car and not tracking it or using it in any kind of extreme situations. I do plan to make several trips to Florida which will rack the mileage up quickly, but also probably won’t require me to make as frequent changes as short trips in New Jersey would require with stop and go traffic, cold weather, etc. I am very much looking forward to giving this oil a go, and seeing how I like it compared to Mobil 1 and Pennzoil Platinum I already used. So far the standard has been set pretty high, but I have heard nothing but good things about Castrol and they are one of the big sponsors of the IMSA Mazda Prototype program which makes me feel like I’m supporting it directly now.

Price wise though I think the retailer is losing money selling me the oil because I’ve been taking advantage extensively of the Sears/Kmart ShopYourWay rewards program. Every time they sent me 5,000, 6,000 or 10,000 in points (where 1,000 points = $1) I immediately redeem them for another 1QT bottle or 5QT jug of the Castrol EDGE oil which they have in stock. Regular price for the 1QT bottle is $7.99+ tax. (Which seems ridiculous) Last one I bought with the 6,000 surprise point redemption only cost me $0.87 cents. Before that I redeemed 10,000 points and $5.50 for two bottles. The 5QT jugs which Kmart sells for $37 regular price I paid about $7 bux out of pocket after purchasing it in store on sale for $22.99+ tax, and redeeming some regular points and 4,000 surprise points. All in all an oil change will cost me under $10 for the oil and another $9 for the K&N HP-1002 filter which I sourced from Walmart. The good part about the four K&N filters I bought they were still Made in USA and not the newer style which are made in Korea (and for some reason people are complaining that their quality has dropped).

Now all I got to do is keep driving more so I can use up the oil quickly. 2017 is going to be an awesome year…

I should mention some of the other companies I support by using their products thanks to all the Motorsport advertising I’ve been exposed to:

  • BFGoodrich tires – I have two sets, one summer one winter
  • Sunoco Ultra 93 fuel – official fuel of NASCAR & IndyCar
  • BP 93 Ultimate – I know they sponsor loads of Rally racing
  • Mobil 1 lubricants in rear end, power steering, etc.
  • K&N oil and air filters, also official sponsor of NASCAR
  • Bilstein shocks – huge sponsor especially during Nurburgring 24h

I’m sure there’s more that I’ve used or will use in the future.

For those of you that support Motorsport sponsors in your shopping – kudos to that! If you don’t, and use the argument – why pay more when there are cheaper options? Well, as I’ve demonstrated above, it is possible to use brand name and pay less, way less. You just need to shop around… for me it’s a challenge that I enjoy! I especially like buying branded gift cards, like those from BP, ExxonMobil or Sunoco with 5% to 10% discount for each dollar spend, making my expensive Sunoco Ultra 93 fuel (which is typically more than a no name brand) a bit cheaper… considering fuel is about $2.60/gal at the moment, I’m paying 26 cents less a gallon, which brings the price right down to a low-cost option, and I’m buying a better product! That makes me feel good.

Support Motorsport Sponsors, please 🙂

Mazda MX-5: Oil Change at 5,000 miles with Pennzoil Platinum 0W20 and K&N Filter HP-1002

Update: (Feb 2017) I wasn’t sure what was causing the car to act weird after this maintenance session at Chris’s house. Now that some time and mileage have passed I think I figured it out. And the result is a few issues. 1). part of the problem was the fact we overfilled the transmission fluid during the flush. There was an issue we found with proper checking of the level (which required running the car to get it warm, and then opening the check valve). 2). my car doesn’t seem to like 0W20 weight oil. I posted a few times that I don’t like Mobil 1 and now I can add Pennzoil Platinum 0W20 to the list. Both Mobil 1 and Pennzoil Platinum 0W20 turned real dark at just about 5k miles which shouldn’t happen. This makes me believe I should totally stick to 5W20 from now on. I’ve changed out the Pennzoil from this post with Castrol EDGE 5W20 and car feels absolutely perfect!


I don’t think I’ve ever had an oil change party with friends until this weekend, where my buddy Chris with a 2008 Silver NC1 GT PRHT offered to help me flush most of the fluids on my car while performing the same service on a bunch of cars in his household.

The plan was to flush the power steering fluid and fill it fresh with Mobil 1 ATF. Flush the Automatic transmission fluid with Pennzoil Platinum High Mileage ATF, and finally change my oil with Pennzoil Platinum 0W20 that I’ve had sitting at my home since about this time last year when I got the crazy deal from Advance Auto on two sets of oils (one 5W20 which I used up during spring, followed by two more Pennzoil Platinum 5W20 changes that I bought during the summer and now for the winter decided to go with thinner 0W20).

I’ll make separate posts for each maintenance item, so click on whatever interests you most:

I must admit that after doing all these fluid changes the car feels a bit weird and I can’t really pin point what the issue is. I’m sure it is fluid related because there’s a faint drone coming from either the engine or the transmission. Note to self: next time do one fluid flush at a time so if there is an issue like this it is easier to narrow down.

But back to the oil change party at Chris’s house.

The day started with a trip to the Subaru dealership to pick up an oil filter for his XV… then Chris changed his ’08 NC’s oil using Castrol Edge 5W20 Extended which I’d like to try in my car at some point in the future once Pennzoil stops being so cheap with all of their promos. While Chris’s brother Eric did an oil change on his Mazda RX-8 Rotary with Castrol Edge 10W30.

My car was last and oil was basically the last thing we did to it, but since it was the easiest job I’ll write about it first.

I was curious to see how Chris does his oil changes and for someone so meticulous as he is, he does it very differently than I do. He jacks the front, keeps the oil cap on, undoes the drain plug, the filter, and re-installs the drain plug with a new bolt that I picked up at a local Mazda dealer for $7.99 accompanied with a $1.65 crush washer. In all the oil changes I’ve done to my car to date I never changed the nut and the washer, but since Chris was doing my car for me, I had him do the same thing he does to his car, so mine also received the new bolt and crush washer. I typically jack the car up and put it on jack stands and when the fluid drains, I lower the passenger side so more of the dirty oil comes out. Chris doesn’t do that himself, which I found to be pretty interesting. Chris was surprised that his car took more Castrol Edge oil than it normally does using Mobil 1 oil which he has used in the past. Mine took the standard amount of Pennzoil that I typically use, which is just above 4.5 QT.

Some pix from the day:

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My supplies, Pennzoil Platinum 0W20, new Mazda bolts and washers and a K&N HP-1002 filter.


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Chris’s supplies Castrol Edge 5W20 Extended Performance oil with Mobil 1 M1-102 filter.


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Eric’s choice: Castrol Edge 10W30 Extended Performance oil.

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Seeing the RX-8 up close and personal made me appreciate that car a bit more, it’s surprising how massive it is compared to the Miata

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Also pretty incredible how tiny yet thirsty the Rotary engine is.

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It felt good to finish up the day with the easiest job of the evening, the oil change… (which happened around midnight… Yikes!)

Now if only I could figure out why is my engine running louder on 0W20 compared to 5W20 and why there’s this faint shimmy going on that I could feel at highway speed which seems to come from the front of the car, around the engine area. (or possible the trans).

Click here to read about the tranny fluid flush or here for power steering fluid flush.

BMW Z4: Oil Change with Castrol Edge 0W-40 Euro & Mann HU 816 X Oil Filter

Today’s little project was an oil change on my former bosses BMW. This particular Bimmer was my only chance to drive a manual / stick car in the US and I’ve had the privilege of running some errands in it since it was new in 2007. In fact this Bimmer inspired me to buy my Miata, not that the Mazda is in any way better than the BMW, it’s just something that I could afford. And the reason for me doing the oil change and not a local shop that I took this car to yesterday was also cost… I was quoted $124 all in at an oil change joint while the DIY cost me less than $50 bux!

To start I went on the forums to research what oil to use, how the oil change should be done, etc… The forums were a fucking mind fuck! Holly shit… do these people get carried away with their bullshit and without really answering the questions presented to them. So the purpose of this blog post is to share what I’ve done to my friend’s car and hopefully it will help someone in the future with a similar project on their car.

So BMW recommended Castrol in 2007, says so on the oil cap. I searched for the Castrol products. BMW Z4 takes 5W-30 oil weight and boss wanted synthetic. Great… I searched around, WalMart was cheapest at $25 for 5 quarts and another $7.50 for the 6th quart (of which the engine apparently takes between six and seven)… and all was good. Once I picked up the oil at the store and looked on the back, nothing was mentioned about BMW certification. So I searched for the “German Castrol” that everyone recommended on the forums. Luckily WalMart carried Castrol Edge European Formula (Made in Germany as opposed to Made in USA) but only in 0W-40 weight. I searched the forums again to see if it would work. Reached out to a few people I know who own or work on BMW Z4’s and they said that oil will work. The in-store price of the oil was even cheaper at $22.97 a jug! (Whereas Advance Auto Parts or AutoZone sell the same thing for $35+). I did order a Mann Oil filter from Advance using their famous 20% discount coupon to buy the Mann HU 816 X for just $9.99 plus tax.

That was yesterday. Early this morning I went to the office to pick up the Bimmer and bring it home. Figured the engine would warm up nicely while I drive it the 5 miles home… It certainly did. Perhaps even too much as everything in the engine compartment was scalding hot. And then it started raining… so my oil change was in the wet… Just my luck!

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The actual process of an oil change in this car, that for some weird European or maybe German reason doesn’t even come with a dip stick anymore, is fairly straight forward and simple. Only a few steps. I started by undoing the filter which is on the top of the engine. A strap wrench worked fine while many forum posts recommended a “special” tool… old filter was pretty filthy. Popped the new filter in, changed two O-rings, put some oil on them and screwed it back in.

Getting under the car was tricky much like the Miata. But I figured using two jacks would get the job done. I used a 3 ton Sears jack to raise one side. For the other side I used a scissor jack from my Ford Explorer to raise it high enough for my fat belly to fit under the car. Once there I was expecting to find an aluminum door that covers the bottom of the drain pan… it was missing. So I had direct access to the 17mm nut which came off pretty easily. Drained the oil, put a new crush washer on the nut to tighten it back up. Filled the car up with new oil… and voila!

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Next step was to reset the on-board computer so the oil light doesn’t come on. There are two buttons right above the steering wheel closest to the instrument cluster. Held one button down while turning the key one click, held for five seconds and the display changed to something I couldn’t really read. I assume it reset. Took the car for the drive back to the office and selected the “Oil” setting on the dash and the diagnostic said OK… that’s the electronic dipstick at work… but it was showing oil on the first mark, so I’ll buy another quart of oil to top it off to at least mid-point on the dipstick.

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Easy peasy!

I had such a Jeremy Clarkson moment that “I mended something!” I decided to change the oil on my dad’s van too…

2012 Dodge Grand Caravan that now runs Mobil 1 5w-30 synthetic.

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Mazda MX-5: Oil Change at 5,000 miles with Mobil 1 Synthetic 0W-20 & M1-102 filter

File this one under the: “what have you done to your Miata today” category. I changed my oil. It was exactly 5,000 miles since the last service in April, at 37,297 miles which included several 400-500+ mile road trips Upstate New York to Watkins Glen and New England to Thompson Speedway. In fact my father and I changed the oil on both the old Ford Explorer SUV and the Miata, and I mention the Explorer for a reason, because I want to use a different oil the next time I do my service, one that doesn’t turn so dark so quickly.

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I got a hell of a deal December of last year when walking into a local AutoZone I found a 5-QT jug of Mobil 1 on sale for $5. I bought two. This is the second jug being used. I was reading all about Mobil 1 on Miata.net, and so many people swear by it, but I don’t see what the big deal is, especially when you consider paying the full price which is typically around $27 to $35 depending on the store. The oil turned dark at only 5k miles, about the same shade of dark as the Explorer’s standard Pennzoil 10W-40 at 4k miles, and it’s not synthetic. The feel is about the same on the Miata as on the Explorer. Maybe I had unreasonable expectations for the feel from the Mobil 1.

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mazda mx-5 miata oil change mobil 1 synthetic 4

mazda mx-5 miata oil change mobil 1 synthetic 3
Mobil 1 Advanced Fuel Economy “Recommended for most Hondas and Toyotas”

But at any rate I think I’ll try something else in the spring time to at least make a comparison for myself. I will stick with 0W-20 weight and full synthetic, but will change the brand.

The options are:

Pennzoil Platinum or Ultra Platinum

pennzoil platinum 0w-20 or ultra platinum 5w-20

Castrol EDGE or Castrol EDGE Extended Performance

castrol edge 0w-20 or castrol edge extended performance 5w-20

I’m also thinking of replacing the Mobil 1 M1-102 oil filter with a K&N version, which seems like it’d be easier to install and remove when the time comes with the wrench instead of trying to work in a tight space the way it is now. The nut seems like a great idea. The filter goes for around $10 to $15 apiece, available at Walmart but probably the most reasonably priced at Moss Miata – $9.95

K&N HP-1002 oil filter

mazda mx-5 miata K&N oil filter HP-1002 k-n

So if anyone has any personal experience with the products I’ve listed above or some other products that I haven’t considered, like for example the $37 a jug Royal Purple synthetic oil, do share your thoughts… please! I would especially be interested to hear from people with a NC Miata so I can base my decisions on something concrete. A real world experience, like I got from Jason for example, Stevie – his 2009 Miata gets Pennzoil Platinum + K&N filter changed on an 8,000 mile interval. That’s impressive!

hello stevie 1 mx-5 miata

Oh yes, besides the recommendations on facebook and Miata.net I am a sucker for Motorsport advertising, hence the BFGoodrich tires for my Miata just like the BFGoodrich sponsored MX-5 Cup series cars (tires might be different but whatever). So which cars use what oil in what series? Well, this Mazda comes to mind using Castrol:

lone star le mans 6 hr of the circuit of the americas 17

& this car in the Continental Tire Sports Car Challenge using Total:

2015 petit le mans continental tire sports car challenge mx-5 miata