Owner's manual slight confusion about engine break in period... - Page 4 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

wheelhaus · 09-05-2012, 02:05 AM

I've come to understand the underlying reasons manufacturers say to take it easy are because:
1: Everything on the car is "breaking in" from the piston rings, bearings, seals, gears, clutch, electronics and contacts, etc. If something were to go wrong in the first few hundred miles, well, you're driving easy and somewhat less likely to result in an accident.
2: YOU are probably new to the car, so the "break in" is also for driver familiarity. This is where "easy on the brakes" likely comes from, aggressive braking goes hand in hand with aggressive driving. Take your time driving gently to get to know it before tearing off like a hooligan.
3: Lawyers. Probably the reason for the unspoken #1 and #2.

During break in- I also subscribe to the idea of driving it normally during break in, vary engine load and rpm frequently especially in the early miles. Brakes will be used normally from day one, once I'm positive they function properly. Overall, nothing too aggressive, but let the mechanical nature of the car come to be used somewhat before you go hammer on it.

Normal daily use- I also begin moving within 10-15 seconds after startup. Warm up times are shortened by driving gently at low rpm until the temp gauge starts to rise. Then drive normally. Nothing aggressive until temps are nominal and tires are warm.

I've had two STi's and an Evo that were treated per above, and they all ran superbly and never consumed any measurable amount of oil.

450hp/tonne · 09-05-2012, 07:44 AM

All other Toyota owner's manuals tell you to warm the engine by driving the vehicle, but not racing the engine. This is for all the same reasons RyleyMA61 mentioned for rebuilt engines (which I also do with new vehicle engines).

Surok · 09-05-2012, 07:55 PM

i used to let my SW20 warm up for 15 minutes till the oil got to 60 degrees before moving..

my neighbors loved it. DAT LUMPY IDLE

st162celica · 09-05-2012, 09:08 PM

Quote:

Originally Posted by Surok

i used to let my SW20 warm up for 15 minutes till the oil got to 60 degrees before moving..

my neighbors loved it. DAT LUMPY IDLE

My neighbor dobbed me in to EPA for doing that.

Got a warning letter, so I put my standard exhaust back on. Didn't want the hassles of getting a fine or having to get the car tested at Rta cause I'm pretty sure it would not pass for multiple and multiple reasons

davey90 · 09-05-2012, 09:25 PM

yeah, the car is what get's me out of bed in the morning. LOL! if it wasn't for the car i'll be crawling out. :P

gmookher · 09-05-2012, 09:33 PM

how do u turn someone into EPA????

Surok · 09-05-2012, 09:51 PM

my first MR2 got reported to the EPA (actually called DECC)
popped the standard one on and never had a trouble again.. (sounded like a touring car)

09-05-2012, 09:25 PM	#47
davey90 Akina Speed Stars Join Date: Sep 2011 Drives: White 86 GTS Auto [CID- ***] Location: Sydney, Australia Posts: 1,017 Thanks: 337 Thanked 187 Times in 125 Posts Mentioned: 14 Post(s)	yeah, the car is what get's me out of bed in the morning. LOL! if it wasn't for the car i'll be crawling out. :P __________________

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
rev the engine to 5000 rpm before break in period	midnitz	Scion FR-S / Toyota 86 GT86 General Forum	48	11-03-2013 10:24 AM
Within break-in period, but long road trip?	Rossman	Mechanical Maintenance (Oil, Fluids, Break-In, Servicing)	9	07-20-2012 02:09 PM
Break-in Period and Octane level	MattM232	Scion FR-S / Toyota 86 GT86 General Forum	10	06-05-2012 11:00 PM
Engine break in period - how necessary is this?	WhippleDip	Mechanical Maintenance (Oil, Fluids, Break-In, Servicing)	6	05-16-2012 03:38 PM
Break-In Period	UriarteMD	Scion FR-S / Toyota 86 GT86 General Forum	10	03-29-2012 03:26 AM

09-05-2012, 02:05 AM	#43
wheelhaus Join Date: Jul 2012 Drives: 2013 BRZ, 2020 KTM Super Duke 1290R Location: Denver Posts: 1,788 Thanks: 714 Thanked 1,141 Times in 624 Posts Mentioned: 49 Post(s)	I've come to understand the underlying reasons manufacturers say to take it easy are because: 1: Everything on the car is "breaking in" from the piston rings, bearings, seals, gears, clutch, electronics and contacts, etc. If something were to go wrong in the first few hundred miles, well, you're driving easy and somewhat less likely to result in an accident. 2: YOU are probably new to the car, so the "break in" is also for driver familiarity. This is where "easy on the brakes" likely comes from, aggressive braking goes hand in hand with aggressive driving. Take your time driving gently to get to know it before tearing off like a hooligan. 3: Lawyers. Probably the reason for the unspoken #1 and #2. During break in- I also subscribe to the idea of driving it normally during break in, vary engine load and rpm frequently especially in the early miles. Brakes will be used normally from day one, once I'm positive they function properly. Overall, nothing too aggressive, but let the mechanical nature of the car come to be used somewhat before you go hammer on it. Normal daily use- I also begin moving within 10-15 seconds after startup. Warm up times are shortened by driving gently at low rpm until the temp gauge starts to rise. Then drive normally. Nothing aggressive until temps are nominal and tires are warm. I've had two STi's and an Evo that were treated per above, and they all ran superbly and never consumed any measurable amount of oil.

09-05-2012, 07:44 AM	#44
450hp/tonne Member Join Date: Jun 2012 Drives: 2011 Corolla Ascent Sport Location: Melbourne, Australia Posts: 99 Thanks: 3 Thanked 36 Times in 21 Posts Mentioned: 0 Post(s)	All other Toyota owner's manuals tell you to warm the engine by driving the vehicle, but not racing the engine. This is for all the same reasons RyleyMA61 mentioned for rebuilt engines (which I also do with new vehicle engines).

09-05-2012, 07:55 PM	#45
Surok Wise old man Join Date: Jun 2012 Drives: 86 GTS Location: Sydney Posts: 1,003 Thanks: 999 Thanked 240 Times in 161 Posts Mentioned: 7 Post(s)	i used to let my SW20 warm up for 15 minutes till the oil got to 60 degrees before moving.. my neighbors loved it. DAT LUMPY IDLE

09-05-2012, 09:33 PM	#48
gmookher Banned Join Date: Aug 2012 Drives: VortechSC,BorlaEL,Perrin,GCRace Location: HighHeatHighAltitudeAZ,USA Posts: 2,254 Thanks: 458 Thanked 669 Times in 394 Posts Mentioned: 9 Post(s)	how do u turn someone into EPA????

09-05-2012, 09:51 PM	#49
Surok Wise old man Join Date: Jun 2012 Drives: 86 GTS Location: Sydney Posts: 1,003 Thanks: 999 Thanked 240 Times in 161 Posts Mentioned: 7 Post(s)	my first MR2 got reported to the EPA (actually called DECC) popped the standard one on and never had a trouble again.. (sounded like a touring car)

User Name		Remember Me?
Password