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Mario
Dodge Dakota
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8/21/2003
16:23:00
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 Subject: Common V6 Mods
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I recently purchased a new (2003) SXT cc with an automatic trans. I was wondering: 1-what are some of the common (and cost-effective) modifications to the 3.9 to squeeze a little more power out of my truck? and 2-is there a reputable source for these parts?
Also, have there been any changes to the 3.9 in the past 2-3 years? I haven't seen any parts listings for the 2003 3.9 - I was hoping that the listings are just old and that the parts will still work for my truck.
Thanks.
Mario
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Best Mod
Dodge Dakota
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8/21/2003
16:47:12
|  RE: Common V6 Mods
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add 2 more cylinders.
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Mario
Dodge Dakota
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8/21/2003
16:56:23
| RE: Common V6 Mods
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Hell, why not add 4 more cylinders?
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Mario
Dodge Dakota
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8/21/2003
16:58:57
|  RE: Common V6 Mods
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Does anyone have any helpful info?
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J and J Auto
Dodge Dakota
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8/21/2003
17:04:35
| RE: Common V6 Mods
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Throttle Body
1.7 roller rockers
cold air intake
Now burn it better
MSD 6a
MSD Blaster coil
MSD 8.5 wires
Now get more out
Low restriction muffler
JBA Headers
Same motor
Larry
J&J Auto
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injectors
Dodge Dakota
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8/21/2003
17:13:53
| RE: Common V6 Mods
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get a set of 5.0 injectors for it too #19 that will help you out through out the power band
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93dakota
Dodge Dakota
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8/21/2003
17:21:12
| RE: Common V6 Mods
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muffler, air filter, throttle body, cold air intake, JBA headers.
Items ive replaced on my 93 2wd 3.9 ext cab dakota:
muffler(walker) all shocks(Gabriel gas ryder LT's) timing chain, idler arm, water pump, fuel pump w/ sending unit, solenoid connections, tie rods, and the radiator.
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Mario
Dodge Dakota
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8/21/2003
17:29:38
| RE: Common V6 Mods
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Thanks for the info.
Larry: Regarding the TB - are you saying replace it with a V8 TB or opening up the one I have? Also, what are your thoughts on a chip? Any suggestions on a particular brand for the cold air intake?
injectors: Regarding the 5.0 injectors - for any particular year, or are they basically the same? Is it worth getting used or should I be getting brand new ones?
Sorry for sounding like a moron. I'm new to this kind of performance. The last time I did any performance work was on a 396 BBC - no injectors, no computer, and no exhaust!
Mario
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jeremy
Dodge Dakota
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8/21/2003
18:33:47
| RE: Common V6 Mods
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go with a v8 for sure. They sell ported and posished ones, but if your on a budget then you can tweek your own a bit. I have heard the chips don't do much, but you can reprogram it and that does a lot.
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injectors
Dodge Dakota
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8/21/2003
20:53:49
| RE: Common V6 Mods
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go to this site and search for your year truck and ur all set.http://www.fiveomotorsport.com/Injector_SetsDODGE.asp for a intake you should just make your own for the most part they work just as well and some times even better. i would buy the injectors new but thats my take on things the only thing i bought used for this truck was the v8 tb because all the performence ones are way over priced. check out this site too they have some helpfull tips on it http://www.speedtweaks.ca/tipsandtricks.php dont waste your $$ onthe headers untill you have done most if not all of the other bolt on mods. really look into those 1.7 rr they help a ton. chips for these trucks are also over priced your best bet is to look around for a group buy on eather the ase or the supertuner but thats just my 02 hope i helped some
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Mario
Dodge Dakota
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8/21/2003
22:25:28
| RE: Common V6 Mods
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Thanks for the info. I'll definately check out those links.
Hopefully, my future posts will be updates on my performance increases.
mario
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pbxr
GenIII
8/22/2003
07:05:54
| RE: Common V6 Mods
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Sam @ socaldakotas.com is a good guy to deal with as well, for the TB and the 1.7 rockers. I read he might be interested in a group buy on the 1.7's. YOu can go junkyard hopping to look for a used V8 TB, or save the hassle and by one from Sam. The two changes where I saw the most differance to date were the CAI (cold air intake), I got mine from Intense performace, and the V8 TB. Do it in baby steps if you will. Make it inhale better, and exhale better. Inhale: CAI, V8TB or a pretty 48mm TB, Exhale: exhaust, either a cat back system, or even just a muffler for now thats what I did. I have a Superchips tuner on order now from a group buy at another site. I will post what the ole butt dyno tells me. Oh btw. Larry @ J&J knows his stuff, he gives alot of good advice. Good luck and have fun.
'01 Sport Auto 3.9, CC, 3923s, Intense Cold Intake, Dynomax SuperTurbo 17748, Wal-Mart special roll on bedliner, MOOG upper and lower ball joints, V8 TB, clear corners, gutt guard, tinted,blah blah...
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J and J Auto
Dodge Dakota
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8/22/2003
08:11:22
| RE: Common V6 Mods
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See what size your factory TB is (plate size) you
can remove the torque step and air horn's on your
stock body but it depends on what size it is, the
torque steps on the top of the bore are 2mm
smaller than the throttle plates.
If its a small 42 44mm I would just go with a V8
or aftermarket TB, If you got lucky and got a 46
yes open it up, the hp dif between the F&B 48mm
and the fastman 46mm is not much.
As far as chip's there is not much availible for
03, a jet chip will help a little and they give
you better gas milage from the small timing
advance, little better respose. ASE is about the
only other option around $400 but these chips
add 15 to 17 RWHP on the dyno test's I seen on
2 V6'ers and I have one myself.
The injectors on your 03 are not #19 but #21 they
will not increase the performance that much but do
help with mid and top end and give you a smother
run through out the entire rpm range and a smother
idle.
Cold air, K&N, intence performance, they all make
fair set ups for the trucks.
Larry
J&J Auto
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Lattimer
Dodge Dakota
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8/22/2003
10:40:44
| RE: Common V6 Mods
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I just got my superchips tuner for my V-6, and it has given quite a decent performance boost. I have and F&B 48mm TB, JBA headers, Gibson Cat-Back, Volant CAI, and I removed the stock clutch fan. Next on my list is 1.7 rockers.
The tuner advances timing and plays with the fule curve, seems to work well. I got mine for $285 on a group buy. The box says it will work with '03 model year.
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Mario
Dodge Dakota
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8/22/2003
11:10:49
| RE: Common V6 Mods
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I guess the cold air intake is my first "no brainer" change. I think that I'll work on the intake first cold air, bigger TB and 1.7 rockers.
As far as headers, I've noticed that most everyone goes with JBA rather than Gibson (which seems quite a bit cheaper). Is there a notable performance difference? quality difference?
As far as exhaust goes, I've been seeing some discussion about losing torque/low end power because of a loss of backpressure. Is this problem only when going with duels or should I be concerned about putting on a 3" single pipe too?
By the way, thank you to everyone who posted with suggestions - I'm starting to learn a lot.
Mario
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pbxr
GenIII
8/22/2003
11:33:22
| RE: Common V6 Mods
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Hey Lattimer, so you like the SuperChips. That is good to know, I think I bought mine from the same GB you got yours from. Mine will be here Monday.
So does your dak seem more responsive? And more importantly does it make the ole butt dyno happy? Thanks for info.
'01 Sport Auto 3.9, CC, 3923s, Intense Cold Intake, Dynomax SuperTurbo 17748, Wal-Mart special roll on bedliner, MOOG upper and lower ball joints, V8 TB, clear corners, gutt guard, tinted,blah blah...
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IntenseDak39
*GenIII*
8/22/2003
11:52:12
| RE: Common V6 Mods
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just to let you know i have a V8 throttle body with sensors (saves you some trouble) and a V8 throttle cable for $100 shipped (within 48 states)
1998 Regular Cab V6 Auto
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Mario
Dodge Dakota
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8/22/2003
12:47:49
| RE: Common V6 Mods
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IntenseDak39, e-mail me with specifics. BTW, are the cable and sensors different? If so, I guess the computer needs to reset??
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jeremy
Dodge Dakota
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8/22/2003
15:19:52
| RE: Common V6 Mods
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mario, with the 3" you can expect to lost some low end.
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Lattimer
Dodge Dakota
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8/22/2003
22:02:11
| RE: Common V6 Mods
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PBXR, my butt dyno is very happy. I switched up my tire size to a 1" taller tire, and I still have better power than before. Its not a punch you back in the seat difference, but it runs much smoother, and revs more quickly. The tuner definitely advances the timing, it pinged like crazy until I got some premium gas in the tank.
It especially seems noticeable from 2000-4000 RPM.
It didn't seem to do much for the shifts, but my truck already shifted fairly hard, so I'm not complaining. It will shift later at full throttle though. Plus it will raise your RPM limiter and speed limiter, and let you recalibrate the speedo, so its a win-win for me.
Shawn
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ait
Dodge Dakota
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8/23/2003
01:12:39
| RE: Common V6 Mods
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relocate your ait to the intake thats good for a few
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pbxr
GenIII
8/23/2003
10:44:33
| RE: Common V6 Mods
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Thanks for the update. Monday is too far away. I hate waiting for mods, wors yet is when I have my engine apart, installing the 1.7. Hopefully that will be soon. Thanks again.
Brian
'01 Sport Auto 3.9, CC, 3923s, Intense Cold Intake, Dynomax SuperTurbo 17748, Wal-Mart special roll on bedliner, MOOG upper and lower ball joints, V8 TB, clear corners, gutt guard, tinted,blah blah...
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MikeS
Dodge Dakota
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8/23/2003
12:02:01
| RE: Common V6 Mods
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I'd like to hear more about the injectors from the Mustang. What years are compatable and when you said #19, did you meant 19 lb.? Thanks
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MikeS
Dodge Dakota
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8/23/2003
12:02:52
| RE: Common V6 Mods
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also how many injector nozzles do we have? I'm assuming 2
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J and J Auto
Dodge Dakota
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8/23/2003
12:48:56
| RE: Common V6 Mods
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Mike S
What year is your truck, 92 and up are multiport
and have 6 injectors.
Older than 92 are throttle body injection.
#19, did you meant 19 lb ? Yes
Larry
J&J Auto
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MikeS
Dodge Dakota
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8/23/2003
16:01:17
| RE: Common V6 Mods
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Thanks Larry, good info as always
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MikeS
Dodge Dakota
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8/24/2003
03:31:47
| RE: Common V6 Mods
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still need to know what years of Mustang I can get these from though. Thanks
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ben
Dodge Dakota
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8/24/2003
06:16:45
| RE: Common V6 Mods
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mario
"injectors: Regarding the 5.0 injectors - for any particular year, or are they basically the same? Is it worth getting used or should I be getting brand new ones?"
i wouldnt waste my money on brand new ones theyre like 400 bucks..thats a lot of $ for such a little gain in power..i bought mine for 50 bucks at glenn and jerrys junk yard in ft worth texas..just needed to clean them off..
mike s
"still need to know what years of Mustang I can get these from though. Thanks"
any year mustang that was fuel injected will work..
larry j&j auto
"If its a small 42 44mm I would just go with a V8
or aftermarket TB, If you got lucky and got a 46
yes open it up, the hp dif between the F&B 48mm
and the fastman 46mm is not much."
could i do that on a 96 or do you not know..and how could i tell my self??would there be some kinda of writing on the manifold or tb that tells me or do i need to messure..
larry j&j auto
" ASE is about the
only other option around $400 but these chips
add 15 to 17 RWHP on the dyno test's"
where can i find one of these chips??
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wg34
Dodge Dakota
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8/24/2003
06:50:29
| RE: Common V6 Mods
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[quote]If its a small 42 44mm I would just go with a V8
or aftermarket TB, If you got lucky and got a 46
yes open it up, the hp dif between the F&B 48mm
and the fastman 46mm is not much. [/quote]
How can I tell what size it is ,I imagine it'd be a b*tch getting a measuring tape in there.
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buck
Dodge Dakota
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8/24/2003
08:34:41
| RE: Common V6 Mods
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Use a Micrometer
Buck
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J and J Auto
Dodge Dakota
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8/24/2003
09:35:51
| RE: Common V6 Mods
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On the TB size, 96 same
The only way to tell is to mesure. just mesure
with a ruler and see what you come up with on
inches.
Just eyeball down the top and get the torqe step
size, your TB will be 2mm biger than the step.
40mm = 1.57" just over 1 1/2
42mm = 1.65 just over 1 5/8
44mm = 1.73 about 1 3/4
46mm = 1.81 about 1 7/8
As far as getting injectors you can get new ones
instead of old ones from a bone yard.
Bosch 0280150556 D5B-19lb* NEW 6/Set: $173.60
http://www.fiveomotorsport.com/Injector_SetsDODGE.asp
And Bruce at Fiveo is a great guy to do business
with.
I would not put used injectors in any thing I work
on and getting them cleaned is just as expensive
as a new set.
92 to 96 mustang 5.0 have 19lb injectors that will
work but go to autozone and get a new O Ring set
if you do that. just ask for mustang set they are
the same but are not listed for the dodges
ASE Chip's http://www.asechips.com/
Larry
J&J Auto
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