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redline in park?

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Old May 10, 2009 | 12:31 PM
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Default redline in park?

I was recently at a Lexus dealership and the salesman proceeded to redline a IS-F for about 20 seconds in park and said he does this weekly or so to help maintain the engine. Is there any advantage or disadvantage to this practice in general? for C5's?
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Old May 10, 2009 | 12:34 PM
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Originally Posted by joelonghorn
I was recently at a Lexus dealership and the salesman proceeded to redline a IS-F for about 20 seconds in park and said he does this weekly or so to help maintain the engine. Is there any advantage or disadvantage to this practice in general? for C5's?
With no load on the engine, the guy's an idiot. Twenty seconds???

I'll take "disadvantage" for a thousand Alex.
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Old May 10, 2009 | 12:41 PM
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The guy's a car salesman -wtf does he know about "maintaining the engine"?
What he does is one of the stupidest tings I've ever heard.
For a C5? -no.
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Old May 10, 2009 | 12:41 PM
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Originally Posted by LoneStarFRC
With no load on the engine, the guy's an idiot. Twenty seconds???

I'll take "disadvantage" for a thousand Alex.


Don't buy a car from that dealer. That saleman is a dumbass.
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Old May 10, 2009 | 12:52 PM
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I took about 5 steps back from him in the car while he was doing this, I was afraid of being hit by a flying rod!
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Old May 10, 2009 | 12:54 PM
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Originally Posted by Black04Z06


Don't buy a car from that dealer. That saleman is a dumbass.
I gotta go with this one.
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Old May 10, 2009 | 12:58 PM
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Cold motor oil, too, I'd bet. Idiot.
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Old May 10, 2009 | 12:59 PM
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Originally Posted by TUF-NUF
Cold motor oil, too, I'd bet. Idiot.
Almost a given.
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Old May 10, 2009 | 01:04 PM
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Originally Posted by joelonghorn
I was recently at a Lexus dealership and the salesman proceeded to redline a IS-F for about 20 seconds in park and said he does this weekly or so to help maintain the engine. Is there any advantage or disadvantage to this practice in general? for C5's?
I thought that most cars have built in rev limiters to keep from "redlining" the engine while in park or neutral.
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Old May 10, 2009 | 01:27 PM
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Originally Posted by Navyvette04
I thought that most cars have built in rev limiters to keep from "redlining" the engine while in park or neutral.
The rev limiter is for anytime the engine hits redline, not just in park or neutral.

And the guy was STILL an idiot.
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Old May 10, 2009 | 01:31 PM
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We need more chlorine in the gene pool

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Old May 10, 2009 | 01:59 PM
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Originally Posted by LoneStarFRC
The rev limiter is for anytime the engine hits redline, not just in park or neutral.

And the guy was STILL an idiot.
Their may be something to that. I had a rental Dodge Intrepid and it had a different redline while in park and neutral. I wouldn't let me get above 4K I think. When in 1, 2, 3 or D I was able to take it to the full redline.
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Old May 10, 2009 | 02:00 PM
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Originally Posted by DeeGee
We need more chlorine in the gene pool

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Old May 10, 2009 | 02:04 PM
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Originally Posted by Tyler valo
Their may be something to that. I had a rental Dodge Intrepid and it had a different redline while in park and neutral. I wouldn't let me get above 4K I think. When in 1, 2, 3 or D I was able to take it to the full redline.
Excellent. Live and learn. Looks like two different rev limiters, each designed to do the same thing: protect the engine.

With no load on the engine, even at 4000 rpm, the guy's STILL an idiot. He must be a car sales...........oh, wait.
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Old May 10, 2009 | 02:31 PM
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Originally Posted by joelonghorn
I was recently at a Lexus dealership and the salesman proceeded to redline a IS-F for about 20 seconds in park and said he does this weekly or so to help maintain the engine. Is there any advantage or disadvantage to this practice in general? for C5's?
FIRE HIS arz. He knows nothing about cars.
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Old May 10, 2009 | 02:45 PM
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I cant think of much that is worse for an engine than what you described.................that is a lot of reciprocating mass with no load........and the oil pump better not be on break.

I would bet you he doesnt do that to cars he is making payments on and the owner of the dealership has never seen this demonstration.
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Old May 10, 2009 | 03:21 PM
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I would bet the same thing. It scares me to take any car to redline, even rental cars. Something about hearing the engine singing that quickly makes my sweat.
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Old May 10, 2009 | 06:26 PM
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Originally Posted by DeeGee
We need more chlorine in the gene pool

lol
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Old May 10, 2009 | 07:20 PM
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what a dummy
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Old May 10, 2009 | 08:33 PM
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He's partially right. It does help maintain the engine. It helps to maintain the engine in a very poor condition.

Probably puts the windows up and down 100 times per day to maintain the power window motors also. What a dumba$$.
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