Remove Speed Limiter? - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 21 (permalink) Old 04-19-2009, 09:03 PM Thread Starter
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Remove Speed Limiter?

Is there anyway at all to remove the speed limiter on my 2003 2.7? It tops out at 114 and still has so much to go but cuts out. It makes me sad =(
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post #2 of 21 (permalink) Old 04-19-2009, 09:44 PM
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Lol the fastest i have had mine is 85. I baby it for some reason.

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post #3 of 21 (permalink) Old 04-19-2009, 10:07 PM
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What you need is a new engine computer that will hike it up. There are not tuners available to get rid of it. Seeing your car is a '03 and a 2.7l you don't have many options. Only thing really is a 300m special PCM but that thig is meant to run a 3.5l HO engine. That computer would but your top speed to 150mph, I don't even think the 2.7 will push the car that fast LMAO!
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post #4 of 21 (permalink) Old 04-19-2009, 11:25 PM
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not really related to the OP, but can a 300m special pcm be put into a 98 ES 3.2?
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post #5 of 21 (permalink) Old 04-19-2009, 11:35 PM
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Originally Posted by 98silverES View Post
not really related to the OP, but can a 300m special pcm be put into a 98 ES 3.2?
no. not unless you install new wiring harnesses
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post #6 of 21 (permalink) Old 04-19-2009, 11:38 PM
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no. not unless you install new wiring harnesses
o ok

how hard would that be?
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post #7 of 21 (permalink) Old 04-19-2009, 11:47 PM
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you do not need a special PCM, you can use either an intrepid R/T pcm from 00 or 2001 which are unlimited, or 99,00,01 300M PHP which is limited to around 139-142 mph.

That way you wont need to swap out harnesses; I will eventually be gettin this done for my 3.2L
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post #8 of 21 (permalink) Old 04-19-2009, 11:51 PM
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o ok

how hard would that be?
basically your redoing all the wiring. It is a time consuming job and the engine may need to come out. I may look into what concorde freak said I don't know about that but it would be interesting.
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post #9 of 21 (permalink) Old 04-19-2009, 11:51 PM
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Quote:
Originally Posted by 98silverES View Post
not really related to the OP, but can a 300m special pcm be put into a 98 ES 3.2?

this just doesn't work for multiple reasons, the wiring harness is just the beginning. more importantly, the PCM has fuel/air ratios for a 3.5L engine. add to that, its tuned for a 3.5L High Output engine and it just won't be able to manage a 3.2L engine.

if you really want to juice up your 3.2L, I would suggest looking into whether Kenne Bell is still reprogramming PCMs for Intrepids. that's the one mod I've considered worthwhile that I haven't done.

-Dan
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post #10 of 21 (permalink) Old 04-20-2009, 12:33 PM
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Quote:
Originally Posted by concordefreak View Post
you do not need a special PCM, you can use either an intrepid R/T pcm from 00 or 2001 which are unlimited, or 99,00,01 300M PHP which is limited to around 139-142 mph.

That way you wont need to swap out harnesses; I will eventually be gettin this done for my 3.2L
The harness changed in 02 so for his app he cant run a pre-02 pcm.
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post #11 of 21 (permalink) Old 04-20-2009, 12:38 PM Thread Starter
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Well thanks for all the info guys but is there a way that you can get in re flashed back to police interceptor status by the dealership if you know people that would actually do it for you there or was that just never an option for a 2.7?
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post #12 of 21 (permalink) Old 04-20-2009, 04:12 PM
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Quote:
Originally Posted by concordefreak View Post
you do not need a special PCM, you can use either an intrepid R/T pcm from 00 or 2001 which are unlimited, or 99,00,01 300M PHP which is limited to around 139-142 mph.

That way you wont need to swap out harnesses; I will eventually be gettin this done for my 3.2L
sounds like an idea
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post #13 of 21 (permalink) Old 04-20-2009, 05:25 PM
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Quote:
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Is there anyway at all to remove the speed limiter on my 2003 2.7? It tops out at 114 and still has so much to go but cuts out. It makes me sad =(

114?

I have the same car and it will climb to 108, then back off and stay at 106.

Be careful though -- things start getting squirmy at that speed. I think the limiter is there for a reason, esp if you only have the basic SE suspension.
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post #14 of 21 (permalink) Old 04-20-2009, 05:28 PM
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Quote:
Originally Posted by 01R/T_SC View Post
this just doesn't work for multiple reasons, the wiring harness is just the beginning. more importantly, the PCM has fuel/air ratios for a 3.5L engine. add to that, its tuned for a 3.5L High Output engine and it just won't be able to manage a 3.2L engine.

-Dan
actually a couple of people here have stuck a 300m pcm on a 3.2 trep without any problems and it does handle the car well.
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post #15 of 21 (permalink) Old 04-20-2009, 05:42 PM
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alot of people who swaped the 3.5's into there 2.7 SE's left the 2.7 PCM in place and its running the car fine. Also you can't re-flash a PCM, the dealer won't do it, there are performance shops out there that will though.
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