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Old 08-12-2014, 11:35 PM   #1
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Hitting the rev limiter

Hey I have a 13 gt with off-road x pipe 3.73 and Lund tune. I do a lot of spirited driving and I tend to wind the motor up a lot now I have my rev limiter set to 7200 and I would like to know how strong our valve train is. Like can it handle the higher rpms as opposed to the older generation motors. Most of the "rev limiter hits" are at the track but I would like the reassurance that the motor can handle it.

Thanks in advance!!


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Old 08-13-2014, 02:20 AM   #2
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you are perfectly fine at 7200 rev limit. There are guys pushing their rev limiter close to 8000 rpm's on stock internals with no real issues.
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Old 08-13-2014, 07:16 AM   #3
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If you still have the stock intake manifold you are wasting your time go over 7,000

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Old 08-13-2014, 08:30 AM   #4
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I believe if you have a stock motor and do a dyno run you'll see your HP peaks around 6600 and then drops off a cliff. Without the Boss or Ford Racing manifold you're just straining your engine to gain nothing.


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Old 08-13-2014, 08:38 AM   #5
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Thanks Rap and Fast; so am I correct that I should command my shifting arm when I see ~6400 and the delay of actually doing it it will shift at 6600?

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Old 08-13-2014, 09:08 AM   #6
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Basically after 6600 rpms your not gaining anything power wise.. If anything your power ban is decreasing. So yes the higher revs aren't necessarily harming your motor but it's not benefitting you performance wise.


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Old 08-13-2014, 10:48 AM   #7
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Well the main reason for me having the limiter so high on stock intake is at the end of 1/4 like right before it I run out of gear


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Old 08-13-2014, 11:12 AM   #8
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Quote:
Originally Posted by 13coyotevahan View Post
Well the main reason for me having the limiter so high on stock intake is at the end of 1/4 like right before it I run out of gear


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Change your tire size. Your loosing power by going past 7k.

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Old 08-13-2014, 11:40 AM   #9
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I'm too poor right now! Lol but it definately is going to change I hate these piece of crap pirellis


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