How to Get R/T ponies into an ES - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 14 (permalink) Old 04-09-2013, 08:12 PM Thread Starter
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How to Get R/T ponies into an ES

What is needed to make an have the HP and Suspension of the highest output 300M/special or Intrepid R/T please go into major detail.
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post #2 of 14 (permalink) Old 04-09-2013, 08:30 PM
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Performance = PCM swap and Plenum swap to an HO one.
Suspension = sway bars, struts and springs
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post #3 of 14 (permalink) Old 04-09-2013, 08:44 PM Thread Starter
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what issues if any are encountered when swapping out the PCM
also what are different on the struts and what is the front and rear sway bar DIA.
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post #4 of 14 (permalink) Old 04-09-2013, 08:51 PM
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To just swap out the pcm you have to go to the dealer and have them do it with a DRBIII unless you have the key cylinder and some other stuff I believe. Using the dealer will make it twenty times easier.
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post #5 of 14 (permalink) Old 04-09-2013, 08:52 PM
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First off...what year car do you plan on doing this to?
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post #6 of 14 (permalink) Old 04-09-2013, 08:56 PM
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Oh and don't forget the 3.89 gears to get the special gearing. Dual exhaust helps a bit too, not that it's a true dual on the Special though. Sentry key is something you'll have to deal with when adding the Special PCM.
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post #7 of 14 (permalink) Old 04-10-2013, 01:04 AM
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Suspension wise the intrepid R/T only had a stiffer spring rate, same shocks and sway bars.

Performance wise the R/T had a different intake manifold and PCM.

Suspension wise 300M special had stiffer struts and springs, bigger swaybars and wider tires.

Performance same deal, except the PCM was supposed to bascially max out the performance of the 3.5L.

For example, my 3.5 non-HO ran a 16.4 stock with 16" wheels.

Had the swap done (300M special), used a K&N FIPK and threw on 18" wheels. Car ran a 16.2. However, he previous car I had was a 3.2L Concorde and that ran a 16.7 with the same wheels. That's a half second difference thanks to intake/programming (both cars ran the same stock), mostly due to changing the peak torque lower (4krpm vs 5k for non-HO).

It is a pain though as paintballdude mentioned that you will need a DRBIII or a dealer to program.

And lastly, you can ONLY do this for cars made from 2002-2004. If you have a 3.5L before that then it already a HO unit.
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post #8 of 14 (permalink) Old 04-10-2013, 07:06 AM Thread Starter
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I am thinking that it may be best just to find a R/T and then work from there maybe a 2000 thru 2002. has anyone tried to run these without the catalytic converters and true dual exhausts?
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post #9 of 14 (permalink) Old 04-10-2013, 09:19 AM
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Keep the cat's, you're asking for trouble if you don't keep them. IMO a 2002 R/T is the best year/model of Intrepid made.
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post #10 of 14 (permalink) Old 04-10-2013, 08:14 PM Thread Starter
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what are some good high flow Catalytic converters
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post #11 of 14 (permalink) Old 04-10-2013, 08:48 PM
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Quote:
Originally Posted by paintballdude05 View Post
Keep the cat's, you're asking for trouble if you don't keep them. IMO a 2002 R/T is the best year/model of Intrepid made.
I am on the fence on the no cats vs. cats ordeal. I guess when it comes to race time I will find out how much of a difference it comparably makes. I am running no cats at the moment, runs fine, no codes..

but also never changed out my o2's either, so them may be factory with 273,000kms of build up on them...
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post #12 of 14 (permalink) Old 04-11-2013, 08:46 AM Thread Starter
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keep me updated on your findings with the cats vs no cats I am really interested in your findings
Thanks
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post #13 of 14 (permalink) Old 04-11-2013, 05:07 PM
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I was gonna do a HO plenum swap on my ES but I don't have the connector to connect the solonoid in front on the plenum. I think its called the short runner valve soloniod. I do have the little pressure manifold box connector on the bank 1 side (left side).
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post #14 of 14 (permalink) Old 04-25-2013, 03:08 PM Thread Starter
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When you said change out plenum are you referring to the upper intake manifold if not please explain
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