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Old 01-16-2011, 07:26 PM   #1
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2011 Rev Limiter

Just wondering if anyone is running a custom tune on their 2011 GT and set their rev limiter higher?
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Old 01-17-2011, 08:15 AM   #2
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Re: 2011 Rev Limiter

why would you want a rev limiter above the stock power band where you dont make power and can also cause engine damage? It wont give you any more performance.
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Old 01-17-2011, 09:33 AM   #3
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Re: 2011 Rev Limiter

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why would you want a rev limiter above the stock power band where you dont make power and can also cause engine damage? It wont give you any more performance.
Well on the v6 Its set at 114 mph, on my 2010 I tapped the speed limiter and still had plenty of pull left, and I was only in 4th gear. I now have a SCT Tuner and disabled the speed limiter, but have not had the chance to go that fast again.

Misread: I agree with leaving the rev limiter as is, not going to help you a bit.
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Old 01-17-2011, 11:00 AM   #4
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Re: 2011 Rev Limiter

speed limiter and rev limiter are different in some cars, the rev limiter will be the highest rpm the car is allowed to have while the speed limiter may stop you at 115mph or something like that but it doesnt care about rpm.

I was just saying rev limiters are not where the engine makes its peak power, its the limit the engine safely can take, so you may not want to raise it as it wont make any more power and will potentially hurt the car.
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Old 01-17-2011, 11:19 AM   #5
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Re: 2011 Rev Limiter

Agreed ^^^^ hence my self edit!
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Old 01-17-2011, 11:32 AM   #6
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Re: 2011 Rev Limiter

on my 97 v6 the speed limiter was RPM controlled in overdrive so it would be 115mph at XXXX rpm... but when I put in 3.73 gears the rpms jumped up by so much the limiter would kick on at 85mph there may be two settings though that can be modified.
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Old 01-17-2011, 01:55 PM   #7
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Just asking a simple question, I upped the rev limiter on my 06 and made more power safely, and upping the rev limiter on a GT500 also helps make more power and can be done safely! I didn't ask for an opinion, I asked who has done it! I am hearing the new 5.0's are a different breed and seem to atop making power around 6500, just want to know if anyone has made any changes!
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Old 01-17-2011, 03:45 PM   #8
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Re: 2011 Rev Limiter

I Have not done this myself but was curious as well . It is my understanding that the new 5.0 like all modular motors continues to make power above the rev limiter set by Ford . The ability to raise the limiter would be especially useful in race aplications with a manual car as some are hitting the limiter at the top of the track as 5 is 1:1 you'd want to hit the traps at the top of the 1:1 geatrbut not bouncing off the limiter.
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Old 01-17-2011, 04:19 PM   #9
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Re: 2011 Rev Limiter

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Originally Posted by a_Gorman View Post
Just asking a simple question, I upped the rev limited on my 06 and made more power safely, and uping the rev limiter on a GT500 also helps make more power and can be done safely! I didn't ask for an opinion, I asked who has done it! I am hearing the new 5.0's are a different breed and seem to atop making power around 6500, just want to know if anyone has made any changes!
Settle down Newb,you are gonna get opinions no matter what you ask on this board.No need for all the exclamation marks,lol. Is 7k not enough?
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Old 01-17-2011, 08:12 PM   #10
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Re: 2011 Rev Limiter

Why would someone post in a legitimate thread asking a legitimate question if they only want to voice an opinion? I am simply asking a very valid question that is on the minds of others as well ...
Quote:
I Have not done this myself but was curious as well .
I am looking to see what the benefits are, if any. This is a common thing to do on many different types of cars, cobra guys do it all the time and it produces a great outcome. 7k is good, but sometimes when you are racing you need just a little more.

I am just trying to take this forum seriously and asking a good question. Sorry if it's discouraging to ask for help or input from people who have already experimented.
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Old 01-17-2011, 09:27 PM   #11
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Re: 2011 Rev Limiter

No.....I get what you are saying and you are right.If you dont have the correct input you shouldnt post your opinion,I completely agree with that but with these forums you are always gonna get opinions......I just choose to ignore them and pay attention to the post that is gonna answer my question.
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Old 01-18-2011, 07:58 AM   #12
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Re: 2011 Rev Limiter

It was my belief / assumption that most custom tunes and base tunes for the 5.0 did raise the limiter by about 500 rpm given ive heard the stock limiter kicks in at about 6700-6800 rpm . too bad its hard to find out exactly what these tunes actualy do Ive got a Bama tunes for the C&L intake honestly dont know if limiter was raised I'm a wuss and dont often rev it that high drop the clutch into 2nd at 6+k and my tires break loose .
From SCT---->
"SCT’s new 2011 Mustang 5.0L pre-loaded tune files also increase throttle response, shift firmness and remove the Mustang’s top speed and RPM rev limiter, allowing maximum performance from your 2011 Mustang GT. The new tune revision is a FREE update & is available on SCT’s web site at www.SCTFLASH.com"

from lethal performance from you tube stock runs->

"The stock rev limiter starts kicking in around 6700rpms. It's also a newer style rev limiter that starts pulling timing even before you've reached the limit set by the factory. Once that's lifted with a tune we'll be able to shift at a higher rpm and won't need 5th gear."

Hope this info is helpful
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Old 01-18-2011, 08:35 AM   #13
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Re: 2011 Rev Limiter

I was more on the lines of warning as I have no idea if you know the risks or not. Regardless a tuner should have no trouble raising or removing the rev limiter so just pick one up and you can remove it all together and see how it works for you.
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Old 01-18-2011, 08:46 AM   #14
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Re: 2011 Rev Limiter

Quote:
Hope this info is helpful
Thanks you very much. It would be nice to see some dyno charts on this to see whether it's worth while or if it does plateau around there. I wil be hitting the dyno soon and will definately post any info I find. I have a few things I want to play with through the tuning aspect and will post my results.
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Old 01-18-2011, 08:52 AM   #15
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Re: 2011 Rev Limiter

good tuners are figuring out more and more every day for the 2011 5.0 and are getting great results, keep an eye on what they are getting result wise and what tricks they are figuring out.
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Old 01-18-2011, 12:07 PM   #16
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Re: 2011 Rev Limiter

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Originally Posted by a_Gorman View Post
Thanks you very much. It would be nice to see some dyno charts on this to see whether it's worth while or if it does plateau around there. I wil be hitting the dyno soon and will definately post any info I find. I have a few things I want to play with through the tuning aspect and will post my results.
First-WELCOME!
Second- Yessir-you will get some opinion answers-and you will get somebody that has "actually done the mod". Some Members are in an 'all-out quest'-to increase their 'number of replies'/some have 'good intentions'/some are 'pot stirring'...
I say: "take what you can use-and leave the rest"..and DO also have a lack of sensitivity-it's going to help you, throughout your experience(s)-not only at this website-but in Life, in general . That's my .02 and my experience, Sir.
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Old 01-18-2011, 05:30 PM   #17
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Re: 2011 Rev Limiter

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Originally Posted by a_Gorman View Post
Why would someone post in a legitimate thread asking a legitimate question if they only want to voice an opinion? I am simply asking a very valid question that is on the minds of others as well ...


I am looking to see what the benefits are, if any. This is a common thing to do on many different types of cars, cobra guys do it all the time and it produces a great outcome. 7k is good, but sometimes when you are racing you need just a little more.

I am just trying to take this forum seriously and asking a good question. Sorry if it's discouraging to ask for help or input from people who have already experimented.
You absolutely do get a benefit from raising the rev limiter because you'll shift into higher hp in the next gear.

A lot of professional tuners (evolution, AED) will raise it to 7600 or 7800 for this reason. Also, you can exit the 1/4 mile in 4th with 7800 which puts you substantially into the 11s (with 373s of course)
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Old 02-22-2011, 04:50 PM   #18
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Just thought I would throw it out there that Ford has put a parameter that at this point in time cannot be bypassed limiting the rev's to 7800. With the new Boss 302R Intake Manifold these cars are making power on a steady climb through the 7k range without signs of letting up!
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Old 02-22-2011, 05:04 PM   #19
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Quote:
Originally Posted by a_Gorman
Just thought I would throw it out there that Ford has put a parameter that at this point in time cannot be bypassed limiting the rev's to 7800. With the new Boss 302R Intake Manifold these cars are making power on a steady climb through the 7k range without signs of letting up!
That's awesome, in waiting for an intake/tuber combo with both a cai AND the boss intake... Should be worth a lot at the wheels
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Old 02-22-2011, 05:16 PM   #20
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Re: 2011 Rev Limiter

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That's awesome, in waiting for an intake/tuber combo with both a cai AND the boss intake... Should be worth a lot at the wheels
JPC CNC heads
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...Boss 302 Intake FRPP
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Made 480 rwhp Stock Intake
Boss intake 507 rwhp
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Old 02-23-2011, 02:48 AM   #21
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Quote:
Originally Posted by DDTCM

JPC CNC heads
JPC cams
...Boss 302 Intake FRPP
JPC long tube headers and off-road X
Bassani Race mufflers
JLT CAI
Diablo Custom JPC Tune

Made 480 rwhp Stock Intake
Boss intake 507 rwhp
WHAT!? NA with over 500 at the wheels... And that intake manifold added 27 of them... Never heard so many good things in one sentence.

Does sound like a pricey setup though lol, but that's awesome
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Old 02-23-2011, 08:24 AM   #22
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Re: 2011 Rev Limiter

500rwhp N/A is nice, just costly but thats the name of the game!
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Old 02-23-2011, 08:59 PM   #23
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Re: 2011 Rev Limiter

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500rwhp N/A is nice, just costly but thats the name of the game!
Pretty much the same dollars as slapping on a KB with all the add ons.
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Old 02-23-2011, 09:07 PM   #24
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Pretty much the same dollars as slapping on a KB with all the add ons.
But it would be bad *** to go NA first and THEN slap the KB on
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Old 02-23-2011, 09:53 PM   #25
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Re: 2011 Rev Limiter

KB would eliminate the new intake.But I think I would rather go NA with 500whp for sure.
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Old 02-24-2011, 01:59 AM   #26
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KB would eliminate the new intake.But I think I would rather go NA with 500whp for sure.
Absolutely, you can build it piece by piece and many parts will still be used once your SCd. do the SCs have their own intake manifolds too or can you use the boss one with em?
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Old 02-24-2011, 10:52 AM   #27
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A centrifugal SC could use the Boss Intake Manifold but roots or twin screw SC would have to remove it.
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Old 02-24-2011, 12:19 PM   #28
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Re: 2011 Rev Limiter

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A centrifugal SC could use the Boss Intake Manifold but roots or twin screw SC would have to remove it.
This is true. It just depends on if you want that instant power/torque of a KB ect,then you will lose the intake.
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Old 02-24-2011, 04:39 PM   #29
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So much to learn... Thanks guys!
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