PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

DiabloSport 2 step

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Old Feb 4, 2007 | 10:54 PM
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Default DiabloSport 2 step

i was thinkin about getting a tuner and i saw my friend has a 2step feature where he can adjust the nuetral and drive rev limiters for his mustang. Ive looked everywhere and they mention the 2 diff limiters for the mustang but when i see the gm one it jsut says rev limiters. Now are there two diff limiters or they are just saying "limiters" for no reason?
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Old Feb 4, 2007 | 10:59 PM
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i think you mean "idle"
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Old Feb 4, 2007 | 11:58 PM
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no im talking about the rev limiters u can set the limiter used during driving but they can also set a nuetral limiter where they hold the clutch in and use that set limiter to launch off of like a 2step
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Old Feb 5, 2007 | 09:37 AM
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Originally Posted by p8ntmunky
no im talking about the rev limiters u can set the limiter used during driving but they can also set a nuetral limiter where they hold the clutch in and use that set limiter to launch off of like a 2step
This is a feature that can only be enabled in an 03-04 Cobra. we do not have the capability in our PCM to do this.
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Old Feb 5, 2007 | 10:00 AM
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It can be enabled on a lot more than a 2003-4 cobra, But not on our GM pcm's.

Ryan
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Old Feb 5, 2007 | 02:09 PM
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dammit that sucks. do u think its still worth it to have one? i think im gonna get one for now cause im not ready for a tune and i have some codes i wanna remove
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Old Feb 5, 2007 | 02:11 PM
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I have one and it does everything I need it to do.
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Old Feb 5, 2007 | 02:31 PM
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Originally Posted by slow
It can be enabled on a lot more than a 2003-4 cobra, But not on our GM pcm's.

Ryan
As pertaining to his initial question, it can only be enabled through a Predator on an 03-04 Cobra.
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Old Feb 5, 2007 | 02:34 PM
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my friend has an 01 gt and he can run the 2step and my cousin has a mach1 that can do it also the mach1 is similar to the cobra maybe the same pcm wise idk but the 01 gt is def different
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Old Feb 5, 2007 | 02:39 PM
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Originally Posted by p8ntmunky
dammit that sucks. do u think its still worth it to have one? i think im gonna get one for now cause im not ready for a tune and i have some codes i wanna remove
You'll be the first person to ever ask me about a two step in the Predator for a GM, so I would say that besides that, yes, it is still worth having. It can accept custom tunes to support any level of modification you may desire.
It will also let you very easily get rid of EGR, AIR and O2 related codes.
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Old Feb 5, 2007 | 02:42 PM
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yea thats the main reason iwant it as well as gear changes and compensating for different wheel sizes
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Old Feb 5, 2007 | 02:45 PM
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Originally Posted by p8ntmunky
my friend has an 01 gt and he can run the 2step and my cousin has a mach1 that can do it also the mach1 is similar to the cobra maybe the same pcm wise idk but the 01 gt is def different
My bad, it may well work on the U7146 tool as well, but I think it needs to be done in a custom tune either way. Not available for GM, and thats all that matters here!
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Old Feb 5, 2007 | 02:47 PM
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I am also running a little bit rich after header install and i dont feel like getting it tuned just yet because im throwing in heads and cam in the next few months. Is it easy/possible to tune in the air/fuel safely without a gauge?
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Old Feb 5, 2007 | 02:48 PM
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Originally Posted by p8ntmunky
yea thats the main reason iwant it as well as gear changes and compensating for different wheel sizes
It'll definitely do all that as well as add a few ponies at the same time!
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Old Feb 5, 2007 | 03:52 PM
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One other thing i was wondering is will this tuner be useless once i get a real dyno tune? or can i upload that to the tuner to make minor adjustments or at least read and clear cel codes?
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