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justin
Dodge Dakota
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3/01/2004
11:55:40
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 Subject: RE: 3.9L Performance Mods
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Message:
yea i have a stock 1998 3.9L v6 magnum dodge dakota and i was just woundering how much horse power would that kinda truck have stock and whats the best and easy way to raise the horse power
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93Dakota
Dodge Dakota
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3/01/2004
12:07:08
| RE: 3.9L Performance Mods
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Message:
175hp @ 230ft/lbs stock
Cold air setup
higher flow muffler
V8tb- best bang for buck
roller rockers
Headers
etc..do a search!
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2000 3.9L
Dodge Dakota
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5/26/2004
13:20:06
| RE: 3.9L Performance Mods
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i wanted to know what kind of gains you can get with a new pully system and is there any way to get better milage?
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Garn
Dodge Dakota
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7/22/2005
12:35:54
| RE: 3.9L Performance Mods
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Message:
I have a 2003 4W Dakota Sport and I am having a VERY difficult time finding an answer... If a different size tire was on the truck when I purchased it than what it came with from the factory, and the new tires were an option from the factory, would the PCM not have the option to set the tire size for the tires that are currently on it since they were an option? I have it at a local dealer and they are saying there is no option to change the PCM to match my tire size, but are still charging me for looking at it. I don't have a problem with them charging me if they looked at it and there really is not an option, but it seems odd that with my correct tire size being an option from the factory that there wouldn't be that option in the PCM.
Any help would be greatly appreciated!
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N56629
Dodge Dakota
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7/22/2005
13:07:46
| RE: 3.9L Performance Mods
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Message:
Tire size can be programmed. They should have known whether or not they could do it before they "looked" at it.
Tell them that you are not in the business of paying them to learn.
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Garn
Dodge Dakota
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7/22/2005
13:13:54
| RE: 3.9L Performance Mods
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Message:
Thanks! I really like your response. :) I should tell them that. One would think they would have known that before hand. When I spoke with Daimler Chrysler they said I would need to talk to my local service center to know for sure if it was possible, so they should have had the answer, or known where to find the answer before I brought my truck in.
Again, thank you.
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XMR
GenIII
7/22/2005
14:30:04
| RE: 3.9L Performance Mods
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Message:
you can set your pcm for any size tire with a Superchips tuner. plus get better performance
'98 cc auto /Home brew cold air with K&N,Dynomax, Superchip Tuner, 1.7 RR,, F&B tb. NAPA cap and rotor, 3923 plugs,tps mod,relocated & switchable iat, 180 t'stat, Crankshaft sensor mod.,PVI,Ported and Polished manifold, bosch injectors,Black Magic Elec Fan, msd wiires
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Phil
Dodge Dakota
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7/23/2005
23:40:02
| RE: 3.9L Performance Mods
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Message:
I have a question I have a 96 dakota 3.9L and I am starting to add mods. I have been reading some of these forums and I have seen that you guys are relocating or IAT's. And I haven't been able to find anything on it! SO how do you do it,were do you move it, and does it really help the performance? I mean noticable performance
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newbie-tuner
Dodge Dakota
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7/25/2005
17:42:09
|  RE: 3.9L Performance Mods
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I have a 99 dakota sport, 3.9 v6....and i LOVE it.however....i just lost my rear diff.(2wd)
i was told by the dealer that i have a 3:55 ratio, and for hiway driving i should try the 3:21 ratio...has any one done this ...and what is the effect...the truck has pep...but more is allways better as i have only started mods(i just like the power i dont race)
any help would be awsome.
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ace
Dodge Dakota
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7/25/2005
19:29:20
| RE: 3.9L Performance Mods
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Message:
puttin in numerically lower gears will make ur take off and low end slower, puttin in numerically higher gears will have the opposite affect, i dont think goin from 3.55 to 3.21 is a good idea, if nething go to 3.92
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Gears
Dodge Dakota
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7/25/2005
20:17:26
| RE: 3.9L Performance Mods
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Message:
3:21=for hyway +mpg
3:92 faster off the line higher rpm at hyway speeds=lower mpg
3:55 nice in between............
With fuel prices the way they are 3:21's might be a good choice.
Remember the turtle did beat the Hare.
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prodak
Dodge Dakota
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7/27/2005
10:43:15
| RE: 3.9L Performance Mods
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Message:
Not to make too fine a point of it but the correct way to express the ratio is 3.21:1, or simply 3.21 - not 3:21. And unless you have a RC manual tranny and stay with 28" tires I'd forget about the 3.21 gears - engine rpm isn't the only factor affecting mpg.
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Eric
Dodge Dakota
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7/24/2006
18:45:04
|  RE: 3.9L Performance Mods
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Message:
yeah i have a 96 Dodge Dakota 3.9L V6 magnum. I have K&N cold air intake, bigger Y pipes, High Flow Cat, Flowmaster high Flow 40 series muffler. I have Gibson Headers coming in, should I order a stage one Jet Piggy back chip to put on my truck since i have a whole new exhaust system and a big deffinate increase in Horsepower and torque?? let me know!
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