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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 06-21-2020, 05:16 AM   #1
bigfatcat
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continuous revving in neutral. bad for engine?

After I installed header and catback today, I asked my wife to rev the engine in neutral while I went under the car to check for exhaust leaks. when I went under the car I noticed she wasn't revving it like blipping the throttle, but rather continuously keeping her foot on the gas and keeping the revs about 3000 rpm. This went on for about a minute and the car was idling for 5 min before that.

Would this do any permanent damage to engine or any component in our cars?
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Old 06-21-2020, 06:43 AM   #2
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Yes. Car is totally totaled.
If you keep driving it around the exhaust manifold will flash critical error and will explode. Unfortunately it's so close to your nuts that the shards will take them clean off.

I wouldn't even bother to try to sell it. Just junk it.

But tell you what, I'm such a nice guy I'll buy it off you for $500. I'll even go to pick it up.
Old man @humfrz lost his third nut that way.
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Old 06-21-2020, 09:34 AM   #3
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Quote:
Originally Posted by bigfatcat View Post
After I installed header and catback today, I asked my wife to rev the engine in neutral while I went under the car to check for exhaust leaks. when I went under the car I noticed she wasn't revving it like blipping the throttle, but rather continuously keeping her foot on the gas and keeping the revs about 3000 rpm. This went on for about a minute and the car was idling for 5 min before that.

Would this do any permanent damage to engine or any component in our cars?
Only if it did not have oil in it!
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Old 06-21-2020, 10:34 AM   #4
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The car faces more stress when you leave a stop than it did with your wife raising the rpm. As long as it has coolant, fuel, and oil, it's safe.
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Old 06-21-2020, 10:43 AM   #5
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Quote:
Originally Posted by bigfatcat View Post
After I installed header and catback today, I asked my wife to rev the engine in neutral while I went under the car to check for exhaust leaks. when I went under the car I noticed she wasn't revving it like blipping the throttle, but rather continuously keeping her foot on the gas and keeping the revs about 3000 rpm. This went on for about a minute and the car was idling for 5 min before that.

Would this do any permanent damage to engine or any component in our cars?
Should easily take 3k for hours. Pretty much cruise rpm.

Engines are cheaper than divorce lawyers.
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Old 06-21-2020, 02:48 PM   #6
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if what you did to your car was cheaper than your divorce... that s bad lol
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Old 06-21-2020, 03:09 PM   #7
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Quote:
Originally Posted by bigfatcat View Post
After I installed header and catback today, I asked my wife to rev the engine in neutral while I went under the car to check for exhaust leaks. when I went under the car I noticed she wasn't revving it like blipping the throttle, but rather continuously keeping her foot on the gas and keeping the revs about 3000 rpm. This went on for about a minute and the car was idling for 5 min before that.

Would this do any permanent damage to engine or any component in our cars?
Welcome to our forum choc full of SA-es -

Your car will be OK.

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Old 06-21-2020, 03:17 PM   #8
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Yes. Car is totally totaled.
If you keep driving it around the exhaust manifold will flash critical error and will explode. Unfortunately it's so close to your nuts that the shards will take them clean off.

I wouldn't even bother to try to sell it. Just junk it.

But tell you what, I'm such a nice guy I'll buy it off you for $500. I'll even go to pick it up.
Old man @humfrz lost his third nut that way.
......and, it was none too soon - that 3rd gonad was getting me into a lot of trouble -
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Old 06-21-2020, 03:48 PM   #9
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if what you did to your car was cheaper than your divorce... that s bad lol
Lets just say I could have been on the lambo forums.
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Old 06-21-2020, 07:40 PM   #10
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Old 06-21-2020, 08:53 PM   #11
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That is annoying!
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Old 06-22-2020, 02:07 AM   #12
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I got enough problems late at night, with my macular degeneration and all without THAT outburst -
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Old 06-22-2020, 07:13 AM   #13
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IMAGE
SHUT UP. *slaps your post closed while driving 24 MPH*
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Old 06-22-2020, 09:56 PM   #14
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*shifts to 14th gear, popping clutch vibrates all but 3 floor pan rivets loose*
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