Effects of driving at high revs daily - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

fidelacchius · 08-20-2014, 11:00 PM

I got a brz recently up from a honda fit.

I'm not too disappointed with the acceleration like most, however now that im out of break-in i find it hard not to go above 4k rpm. Around 4.5k the car really picks up.

My question is how much damage am I doing bringing it up to 6-6.5 to shift frequently? Its hard to keep the revs low with 151 lb/torque.

strat61caster · 08-20-2014, 11:02 PM

Your wallet will be lighter and your smile will be wider.

Bobblehead · 08-20-2014, 11:03 PM

As far as I know the car was designed to be used in its entire rev range. Unless you're constantly bouncing off the rev limiter, you should be okay.

Keep your oil changed at regular intervals and you should be fine.

ericmpena · 08-20-2014, 11:05 PM

Quote:

Originally Posted by fidelacchius

I got a brz recently up from a honda fit.

I'm not too disappointed with the acceleration like most, however now that im out of break-in i find it hard not to go above 4k rpm. Around 4.5k the car really picks up.

My question is how much damage am I doing bringing it up to 6-6.5 to shift frequently? Its hard to keep the revs low with 151 lb/torque.

I think you're fine. No point in having a nice car and driving like a grandma. Have your fun, the car wants you to.

fidelacchius · 08-20-2014, 11:25 PM

Thanks for the feedback. I think i'll take your advice. Should have stayed with the fit if i'm going to be boring

Jyn · 08-20-2014, 11:37 PM

No problem with that, so long as you aren't redlining all the time. Some will argue it is even better longevity-wise, as it exercises the full RPM range. Many cars that were "grandma'd" seem to have issues much later on in life (>100k miles) if they were never used in the higher revs.

Fastbrew · 08-20-2014, 11:39 PM

Crikey - let her rip mate.

ftc~brz · 08-20-2014, 11:43 PM

rev it up till the vtec kicks in, somewhere around 8.5k.

ashtray · 08-21-2014, 12:04 AM

I shift around 4-5k rpm normally, but when I'm actively accelerating I'll take her up past 6k. Just too much fun not to! But if you're not accelerating with urgency, no need to shift late and cruise at high rpms.

Only issue I could see is a mis-shift. If you're up at 6500 rpm and shift to the next gear up but hit the gear below instead by mistake, you're going to redline the engine and possibly cause damage. Not sure when this would happen though. You're not exactly going to get it close to first gear from second at those speeds, third to fourth is a no-miss, and 4th gear at 6500 rpm probably won't happen often.

tbertran · 08-21-2014, 01:03 AM

Quote:

Originally Posted by ashtray

Only issue I could see is a mis-shift.

Ain't nothing wrong with a little grinding once in a while.

Cope52 · 08-21-2014, 01:11 AM

6K? You haven't even hit the torque peak. Wind it to redline as often as you like. No harm.

ashtray · 08-21-2014, 02:14 AM

Quote:

Originally Posted by tbertran

Ain't nothing wrong with a little grinding once in a while.

Actually, I meant going 4-3 instead of 4-5 by mistake. 7k in 4th would be around 8500 rpm in 3rd, so - boom? (at 100mph)

Stealthy · 08-21-2014, 02:47 AM

It's weird, I've been testing my mileage (km's) per tank and I see little to no difference with driving conservatively vs high revving. So I just choose the latter because this car is way more fun.

alan.chalkley · 08-21-2014, 03:34 AM

The FA20 is designed to rev , but no engine survives high revving during warm up.
Just warm it up first and try not to lose the license to drive!

08-20-2014, 11:00 PM	#1
fidelacchius Junior Member Join Date: Jun 2014 Drives: 2014 Grey BRZ Limited Location: ohio Posts: 6 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Effects of driving at high revs daily I got a brz recently up from a honda fit. I'm not too disappointed with the acceleration like most, however now that im out of break-in i find it hard not to go above 4k rpm. Around 4.5k the car really picks up. My question is how much damage am I doing bringing it up to 6-6.5 to shift frequently? Its hard to keep the revs low with 151 lb/torque.

08-20-2014, 11:03 PM	#3
Bobblehead Senior Member Join Date: Mar 2014 Drives: 2013 BRZ (gone) 2016 Ford Fusion SE Location: Western PA Posts: 602 Thanks: 522 Thanked 494 Times in 223 Posts Mentioned: 1 Post(s) Tagged: 2 Thread(s)	As far as I know the car was designed to be used in its entire rev range. Unless you're constantly bouncing off the rev limiter, you should be okay. Keep your oil changed at regular intervals and you should be fine. __________________

08-20-2014, 11:37 PM	#6
Jyn Noob Join Date: Jan 2014 Drives: FR-S Mammogram Location: Austin Posts: 1,594 Thanks: 577 Thanked 888 Times in 485 Posts Mentioned: 24 Post(s) Tagged: 2 Thread(s)	No problem with that, so long as you aren't redlining all the time. Some will argue it is even better longevity-wise, as it exercises the full RPM range. Many cars that were "grandma'd" seem to have issues much later on in life (>100k miles) if they were never used in the higher revs. __________________ :@ChaoyD

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08-20-2014, 11:02 PM	#2
strat61caster - Join Date: Nov 2012 Drives: '13 FRS - STX Location: SF Bay Area Posts: 10,381 Thanks: 13,780 Thanked 9,499 Times in 5,011 Posts Mentioned: 94 Post(s) Tagged: 3 Thread(s)	Your wallet will be lighter and your smile will be wider.

08-20-2014, 11:25 PM	#5
fidelacchius Junior Member Join Date: Jun 2014 Drives: 2014 Grey BRZ Limited Location: ohio Posts: 6 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Thanks for the feedback. I think i'll take your advice. Should have stayed with the fit if i'm going to be boring

08-20-2014, 11:39 PM	#7
Fastbrew Senior Member Join Date: Apr 2014 Drives: 2014 Pearl White BRZ Location: USA Posts: 764 Thanks: 123 Thanked 461 Times in 233 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Crikey - let her rip mate.

08-21-2014, 12:04 AM	#9
ashtray As Seen On The Internet Join Date: Apr 2011 Drives: 2003 WRX, 2013 BRZ, 442 Location: SoCal Posts: 852 Thanks: 23 Thanked 251 Times in 159 Posts Mentioned: 1 Post(s) Tagged: 2 Thread(s)	I shift around 4-5k rpm normally, but when I'm actively accelerating I'll take her up past 6k. Just too much fun not to! But if you're not accelerating with urgency, no need to shift late and cruise at high rpms. Only issue I could see is a mis-shift. If you're up at 6500 rpm and shift to the next gear up but hit the gear below instead by mistake, you're going to redline the engine and possibly cause damage. Not sure when this would happen though. You're not exactly going to get it close to first gear from second at those speeds, third to fourth is a no-miss, and 4th gear at 6500 rpm probably won't happen often.

08-21-2014, 02:47 AM	#13
Stealthy Senior Member Join Date: Jun 2014 Drives: 2014 WRB Bravo Romeo Zulu Location: Canadia Posts: 107 Thanks: 62 Thanked 57 Times in 30 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	It's weird, I've been testing my mileage (km's) per tank and I see little to no difference with driving conservatively vs high revving. So I just choose the latter because this car is way more fun.

08-21-2014, 03:34 AM	#14
alan.chalkley Senior Member Join Date: Feb 2012 Drives: 4wd zooks Location: Sydney / Australia Posts: 495 Thanks: 135 Thanked 167 Times in 108 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	The FA20 is designed to rev , but no engine survives high revving during warm up. Just warm it up first and try not to lose the license to drive!

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