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is it bad to hit the red line?

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Old Feb 13, 2012 | 12:04 AM
  #1  
itsMikey's Avatar
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Joined: Apr 2009
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
is it bad to hit the red line?

like..i know its generally bad to bounce it off the red line but like..every now and then, is it going to hurt the motor?
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Old Feb 13, 2012 | 01:08 AM
  #2  
watajob's Avatar
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From: Location, Location!
Car: 92 T/A 'vert
Engine: Mild .040 over L98 4 bolt mains
Transmission: Mostly stock 700R4, 2600 Vigilante
Axle/Gears: LS1 3.42
Re: is it bad to hit the red line?

On an engine in a good state of repair, probably not.
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Old Feb 13, 2012 | 02:05 AM
  #3  
itsMikey's Avatar
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Supreme Member
 
Joined: Apr 2009
Posts: 2,852
Likes: 2
From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: is it bad to hit the red line?

huh? lol
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Old Feb 13, 2012 | 07:21 AM
  #4  
AlkyIROC's Avatar
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Joined: Jul 1999
Posts: 17,263
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: is it bad to hit the red line?

The red line on the tach should be your highest shift point. It's where the engine stops making power. Changing a camshaft and other components means the red line changes. The maximum rpm the engine can go to depends on the condition of the engine components. Worn out valve springs can really limit the engine's highest rpm.

Taking an engine too high can cause damage but it depends on the conditions.
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