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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ |
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08-16-2012, 08:41 PM | #15 |
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I didnt and my car does not burn oil or run badly. I did my first oil change at 500 miles and tracked the crap out of the car right after that.
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08-16-2012, 08:46 PM | #16 |
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There's two distinct theories for break in.
The "follow the manual and baby it for 1000 miles" or "Drive it like normal, and early on, do some WOT pulls, but overall drive it easy". The only cars I've seen consume noticeable amounts of oil are babied and never driven hard. With every *new* car I've ever had (Including two STI's and an Evo) I've driven them normally from mile 1 (with some WOT pulls and never stay at one rpm for more than a few minutes). I have never had oil consumption issues and they all ran beautifully with zero engine/drivetrain problems. edit: There's a boatload of theories on why the manual says to baby the car; ranging from overall mechanical systems break in, to ensuring you "learn" the car and avoid driving an unfamiliar car too aggressively. |
08-16-2012, 10:51 PM | #17 |
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Here's two dumb questions. If he's burning oil, how big of a a deal is it, and is it fixable?
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08-16-2012, 11:32 PM | #18 |
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08-16-2012, 11:53 PM | #19 |
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I have over 1700 miles and the oil level is the same. In fact, the oil level is about 4mm over the full mark, they must have over filled from the factory.
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08-18-2012, 11:26 PM | #20 |
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I have clocked up 700km now (434miles) and just checked the oil after warming it up (15min drive) and the oil is at exactly full level.
I haven't rev'd my car over 5k rpm and pretty much babied it from the start as I wanted to run it in as per manual. The difference with this one is that I have been 'loading' up the car almost everywhere I have driven... Ie; 1st to 4th under 3000rpm then full throttle for a while, back off the throttle and let it slow down then back on full throttle. My old man used to be a mechanic and engine builder and told me this in his opinion was the best way to bed the rings in. No oil consumption, great low down pull and smooth as silk. Guess it hasn't been a bad thing doing it this way. |
08-18-2012, 11:36 PM | #21 | |
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Quote:
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08-18-2012, 11:51 PM | #22 | |
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Quote:
Who knows tho right, there are those where this seems like nonsense, there are those whom are Internet engine building specialists who know all, and there are those who know not a lot. For me, this hasnt had any detrimental effects but I guess only time will tell. |
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09-30-2019, 01:31 PM | #23 |
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My car uses exactly 1 qt every 12,400 miles.
I have been carefully tracking my oil consumption on my 2017 86 Automatic by observing how many quarts of Mobil-1 I have gone through topping up over the last 2.5 years and 27K mi. My car uses exactly 1 qt every 12,400 miles.
As an aside: coolant consumption is 3.7oz every 7,500mi service interval. I was super careful during the break-in period to watch RPM's and vary constantly, and a few strong pulls (torque'y, but not high RPM) to "seat the rings" if that really does happen. The car gets serviced per book at the dealer as it's new. I drive it only for fun on a 90 mile route mostly on hiway-1 (Calif coast) to my fav hill climb from San Gregorio to Woodside CA. I do the 10 miles in the hills at 4,500-7K RPM quite hard, very fun. The oil temp gets to about 234 deg at it's peak when I reach the peak of the mountain. The water hits 212 at most (ambient air temperature of about 85). Scenic driving flat along the coast the oil is 196 deg and water is 190. I also blend my stupid 91 Calif gas in Woodside with 100 oct race gas (the 76 sells it there!) to get 93 oct and watch the ignition timing to confirm it advances properly to get the most power. I use BlueDriver to monitor. Another aside... Starting in 2017 forward, Subaru stupidly programmed the car to let the battery discharge during acceleration and stops, doing most of the charging while decelerating only. I discovered this when I parked to listen to the radio for an hour and the car would barely crank. They said it's for "economy" B.S.! This will ruin batteries faster. You can force the car to "normal charge" at 14.2V by turning on the running lights (I drive with them all the time now). Also, if you turn the fan on it will hold at 13.3V. But drive normally and watch the voltage drop from an initial 14.4 at start to around 12.1 in just a few minutes. More on this later as I'm working up a big expose. I'm an Engineer, I like to measure things. |
10-01-2019, 06:55 AM | #24 |
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did you really need to bump every oil consumption thread to tell us the exact same thing?
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10-01-2019, 10:02 AM | #25 |
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He is an "engineer" so probably.
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10-04-2019, 04:56 PM | #26 |
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I have over a 100k miles on my 2013 and it doesn't burn ANY oil, or at least a noticeable amount. Burning oil is not normal on almost any vehicle. No manufacturer develops a car knowing that it will burn oil and they are okay with that, aside from perhaps a few rare exceptions (rx8, etc.).
Point is, I would keep an eye on it and bring it in soon before warranty is up if it continues. If I had a new vehicle burning that much oil I would make them replace the motor....no question. If it burns that much oil now by the time you hit 150k you may be adding in more oil than gas haha Also, when breaking in a motor you should follow the break in guidelines but make sure you vary your speed a lot. This is where everyone messes up. Freeway driving is bad for breakins. Side streets and stop lights are good. On and off full throttle is good. Ultimately you just want to avoid red-lining a car like crazy for the first few hundred miles. |
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