4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Stock rev limiter?

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Old Sep 28, 2007 | 11:01 AM
  #1  
ShadowDrake's Avatar
ShadowDrake
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Default Stock rev limiter?

I've been 100% under the impression that the stock 4.6 2v 5 speed rev limiter was 6250 RPM... Well, recently (after the last auto-x actually) I have learned that my car sounds literally orgasmic above redline... So today I went to push it to just 6000 for a second,I go WOT in second gear and I'm watching the tach and it look like I hit 5900-6000 or so before the rev limiter kicked in... it stopped twice and I let go of the gas (I was timing it anyway).

So any others out there have any experience with the rev limiter on the stock tune?
Old Sep 28, 2007 | 11:20 AM
  #2  
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Default RE: Stock rev limiter?

Yes... its very gay and the first day after I took my predator off I bounced off the rev limiter twice going down the track. I had mine set to 6300 on the tuner and it was very nice.
Old Sep 28, 2007 | 11:24 AM
  #3  
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Default RE: Stock rev limiter?

Mine's got a stock tune and I thought I hit it at about 5900, but I guess I could be wrong. I wasn't watching the tach when I bounced off of it.
Old Sep 28, 2007 | 11:27 AM
  #4  
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Default RE: Stock rev limiter?

I wouldn't move the rev limiter up unless you have some new valvesprings though... for anyone else reading this. Could easily float a valve with stock springs.
Old Sep 28, 2007 | 04:57 PM
  #5  
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Default RE: Stock rev limiter?

do you guys rev your motors all the way out at the dragstrip or do you stop at like 5250 where it stops making power, just curious?
Old Sep 28, 2007 | 05:22 PM
  #6  
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From: Where gunshots are more common than birds chirping
Default RE: Stock rev limiter?

ORIGINAL: livefast1

do you guys rev your motors all the way out at the dragstrip or do you stop at like 5250 where it stops making power, just curious?
I rev over because when you rev over and shift gears your RPM's will drop (hopefully) right back into your peak HP band.
Old Sep 28, 2007 | 05:53 PM
  #7  
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Default RE: Stock rev limiter?

Yeah when I was doin 120mph in front straight of Willow Springs raceway, I hit at least 6100 in 4th. My 4.10's wont letme get much faster than that in 4th anyway, dropped into 5th, and slowly went up.
Old Sep 28, 2007 | 08:57 PM
  #8  
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Default RE: Stock rev limiter?

my tach read 6400 the other day....i also thought that redline was at 6250 but i guess i was wrong.

when i race, i shift at redline
Old Sep 28, 2007 | 09:10 PM
  #9  
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Default RE: Stock rev limiter?

How did it go up when you shifted into 5th!?
Old Sep 28, 2007 | 09:11 PM
  #10  
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Default RE: Stock rev limiter?

Nvm! I read that wrong! Sorry!



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