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#4547533 - 10/18/17 07:42 PM Spinning an engine
OneEyeJack Offline


Registered: 09/14/10
Posts: 7471
Loc: S California
I have a new to me 2006 Scion xB, 5-speed manual with the 1NZ-FE 1.5L motor with a chain drive camshaft and VVT on the intake side.

My question is about spinning that engine. I just finished a hot weather desert trip (90-105F) of 500 miles on open roads at speeds from 65-85 mph with the a/c on full blast. That meant that this little engine was spinning at 4-5K rpm for quite a while. I got 36 mpg for the trip and the level moved on the dipstick such a tiny amount it was difficult to measure. The oil is left over Red Line 0w-30 from my other vehicles and the oil filter is a Mobil 1 103.

I'm just wondering how long this engine will last spinning like that.

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#4547547 - 10/18/17 07:48 PM Re: Spinning an engine [Re: OneEyeJack]
tig1 Offline


Registered: 01/03/09
Posts: 13655
Loc: Illinois
The engine(2.5 I 4) in my 2017 Fusion turns about 2200 RPM at 75. Your engine seems to really revving high for an average Interstate MPH.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4547548 - 10/18/17 07:48 PM Re: Spinning an engine [Re: OneEyeJack]
SilverFusion2010 Online   content


Registered: 06/29/11
Posts: 1654
Loc: Crawfordville FL
As long as you keep oil in it, should be fine. Those little motors have to spin to make power and that's what they're designed to do.

You could UOA and see what you see after 5k
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4547553 - 10/18/17 07:49 PM Re: Spinning an engine [Re: OneEyeJack]
TheKracken Offline


Registered: 04/18/17
Posts: 515
Loc: Fort Worth TX
I am not sure if I understand the question? I took a long (2k miles) while sustaining 3-5k rpm most of the time with a heavy payload. This truck had 240+k on it and it is still going, wasn't worried about the engine one bit. My wife was driving the sienna maintaining pretty high rpms on the same drive and the van has over 280k miles. Didn't skip a beat running high rpms during the trip.
_________________________
2011 Prius 96k miles RLI 5w20
97 Toy T100 4x4: amsoil 0w20 242k Miles
04 Toy Sienna awd: Pennzoil 0w20 281k Miles

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#4547558 - 10/18/17 07:50 PM Re: Spinning an engine [Re: tig1]
SilverFusion2010 Online   content


Registered: 06/29/11
Posts: 1654
Loc: Crawfordville FL
Originally Posted By: tig1
The engine(2.5 I 4) in my 2017 Fusion turns about 2200 RPM at 75. Your engine seems to really revving high for an average Interstate MPH.


I'm guessing that at cruise he's around 3200 rpm for 85mph.

It's a 5 speed and I think he's talking about winding out the gears to get up to speed
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4547567 - 10/18/17 07:53 PM Re: Spinning an engine [Re: OneEyeJack]
justintendo Offline


Registered: 03/04/17
Posts: 101
Loc: northwest pa
probably a good while...i would think a car can travel interstate speed continuously..if not thats quite a design flaw. seems most vehicles cruise the highway 65 or so at their torque peak, which is usually half their total rpm before redline.
my fusion turns 3k doing 70, but redlines at 6500
my truck turns 1800 doing 70, redlines at about 4000 (old style ford 300)
streetbike turns 4500 doing 70, redlines at 9500.

seems odd that scion would scream like that at interstate speed, when im sure it doesnt redline 9k.
_________________________
2013 escape 2.0 awd
2008 fusion 2.3 mtx
1996 f150 4.9 2wd mtx
1999 kaw zrx 1100
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#4547603 - 10/18/17 08:10 PM Re: Spinning an engine [Re: OneEyeJack]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4018
Loc: North Carolina
No load revs (highway) aren't going to kill an engine any faster.

Keep oil in that engine and you'll be fine.
_________________________
"Zed's dead baby, Zed's dead."

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#4547610 - 10/18/17 08:18 PM Re: Spinning an engine [Re: SilverFusion2010]
yesthatsteve Offline


Registered: 06/27/11
Posts: 722
Loc: Kansas City, MO
Originally Posted By: SilverFusion2010
Originally Posted By: tig1
The engine(2.5 I 4) in my 2017 Fusion turns about 2200 RPM at 75. Your engine seems to really revving high for an average Interstate MPH.


I'm guessing that at cruise he's around 3200 rpm for 85mph.

It's a 5 speed and I think he's talking about winding out the gears to get up to speed


I had a '05 xB with the 5-speed MT and it ran a steady 3500 RPM at 70 mph. That engine/trans combination was not designed for loafing at highway speeds. Even the 4-speed automatic in the first gen xB runs about 3400 RPM at 70
_________________________
'13 LaCrosse eAssist, 50000+ miles | Magnatec 5w30 & Fram EG
'11 Accord I4 Sedan, 95000+ miles | Mobil1 0w20 & Fram EG

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#4547620 - 10/18/17 08:24 PM Re: Spinning an engine [Re: OneEyeJack]
clinebarger Offline


Registered: 12/19/13
Posts: 1898
Loc: Fort Worth, Texas
I flat foot the 2ZR-FE in my Corolla everytime I drive the slow POS, Can't seem to kill it!
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4547659 - 10/18/17 08:58 PM Re: Spinning an engine [Re: yesthatsteve]
blupupher Offline


Registered: 08/27/04
Posts: 4414
Loc: Katy, Republic of Texas
Originally Posted By: yesthatsteve

I had a '05 xB with the 5-speed MT and it ran a steady 3500 RPM at 70 mph. That engine/trans combination was not designed for loafing at highway speeds. Even the 4-speed automatic in the first gen xB runs about 3400 RPM at 70

The 2.4 auto does the same. Not sure off hand what the RPM's are @ 70, but I know it is above 3000.
_________________________
1994 Honda VT1100C: Peak 15w-40/TG/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI


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#4547661 - 10/18/17 08:59 PM Re: Spinning an engine [Re: OneEyeJack]
gomes512 Offline


Registered: 07/02/07
Posts: 684
Loc: Chicago, IL
Wouldn't sweat it, Toyota Corolla with the 1.6L and 3 spd auto here. Spins about 4-4.5k on the expressways. 266k and still going strong.

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#4547669 - 10/18/17 09:08 PM Re: Spinning an engine [Re: OneEyeJack]
bullwinkle Offline


Registered: 10/09/04
Posts: 7649
Loc: Cincinnati, OH, USA
Originally Posted By: OneEyeJack
I have a new to me 2006 Scion xB, 5-speed manual with the 1NZ-FE 1.5L motor with a chain drive camshaft and VVT on the intake side.

My question is about spinning that engine. I just finished a hot weather desert trip (90-105F) of 500 miles on open roads at speeds from 65-85 mph with the a/c on full blast. That meant that this little engine was spinning at 4-5K rpm for quite a while. I got 36 mpg for the trip and the level moved on the dipstick such a tiny amount it was difficult to measure. The oil is left over Red Line 0w-30 from my other vehicles and the oil filter is a Mobil 1 103.

I'm just wondering how long this engine will last spinning like that.
My '05, in my sig, is exactly the same-75 MPH is 4000 RPM. I've pushed it over 100 MPH several times, for short bursts, and it's had many decent length interstate runs of 70+ MPH, sometimes even hauling 4 adults in summer heat with A/C, and it has really had ZERO oil consumption, running M1 EP 5W30, roughly 9500-10K miles/OCI. If I ever kill the clutch or transaxle, it's getting the 5th drive & driven gear out of a Corolla transaxle, to get the highway RPMs down. Amazing you got 36 MPG, usually my mileage drops like a rock over 60 MPH.
_________________________
06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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#4547687 - 10/18/17 09:21 PM Re: Spinning an engine [Re: OneEyeJack]
92saturnsl2 Offline


Registered: 03/02/04
Posts: 1267
Loc: Flaherty, KY
High RPMs are not necessarily harmful to an engine, with or without load. Lack of maintenance is. The car is designed for usage at highway speeds, it will be fine. I owned a 1986 Toyota Tercel 4x4 wagon with a 1.5L 4 cyl and 6-speed manual. The 1st gear was a granny (avail in 4wd only) and the other 5 gears were super short spaced, such that you were doing 4k rpm @ 80. I was hesitant to drive at that speed at first, but it did fine. My '85 F250 with a 460 V8 runs about 3500rpm @ 80 and it too, does fine, albeit with terrible gas mileage.
_________________________
1985 F-250HD 7.5L 4x4 135k- Maxlife 15w-40 HDEO [for sale]
04 Odyssey EX 180k PUP 5w-40
96 Maxima GLE 248k Castrol Edge 5w-50
07 Chrysler Pacifica Limited

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#4547711 - 10/18/17 09:59 PM Re: Spinning an engine [Re: OneEyeJack]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7471
Loc: S California
One thing that may be helping my fuel mileage while spinning the engine would be the exhaust system. There are a DC 4-1 exhaust header and a TRD exhaust system.

I don't know the difference because this xB came with all this already installed. The engine has 132K miles on the clock so it's at least well broken in and loose yet does not burn oil enough to show up on the dipstick.

So far I like the seating position and steering wheel placement and with the TRD shift kit, the throws are short. It's fun to drive and I do enjoy the manual gearbox.

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#4547936 - 10/19/17 07:33 AM Re: Spinning an engine [Re: OneEyeJack]
CourierDriver Offline


Registered: 12/27/09
Posts: 4937
Loc: Tn.
Originally Posted By: OneEyeJack
I have a new to me 2006 Scion xB, 5-speed manual with the 1NZ-FE 1.5L motor with a chain drive camshaft and VVT on the intake side.

My question is about spinning that engine. I just finished a hot weather desert trip (90-105F) of 500 miles on open roads at speeds from 65-85 mph with the a/c on full blast. That meant that this little engine was spinning at 4-5K rpm for quite a while. I got 36 mpg for the trip and the level moved on the dipstick such a tiny amount it was difficult to measure. The oil is left over Red Line 0w-30 from my other vehicles and the oil filter is a Mobil 1 103.

I'm just wondering how long this engine will last spinning like that.
Had a new 67 VW Beetle,1500cc engine, same size engine as the Scion, ran it for 5 years hard, and sold it with about 100k miles and did well...you will be ok..
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Don't forget to play nice as much as possible...protect your family and carry what you need for them..PS don't leave home without backup....

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