| From | Message |
01QC
Dodge Dakota
JOIN HERE
10/18/2006
13:40:58
|
 Subject: Low end power gains
IP: Logged
Message:
I WANT MORE LOW END POWER!
I have a FIPK cold air intake, Gibson Headers, and flowmaster exhaust...Where do i go next for low end torque and power. cams? new throttle body?
2001 Quad Cab 4x4 AWD
4.7L
MODS Above
|
Josh
Dodge Dakota
JOIN HERE
10/18/2006
14:19:39
| RE: Low end power gains
IP: Logged
Message:
Sorry. Can't get there from anywhere.
Cams improve upper RPMs.
Throttle body is 68mm. Bigger only adds upper RPMs.
HO intake is upper RPM also
You need longer runners in your intake. Those went away in 2000. Info about the intake manifolds at http://www.wjjeeps.com/manifold.htm
And long tube headers. Nobody makes 'em.
|
N56629
Dodge Dakota
JOIN HERE
10/18/2006
15:40:59
| RE: Low end power gains
IP: Logged
Message:
It won't increase your power but lower gears will move your power band down to a more useable range.
For the 4.7 using the older intake along with the HO cams seems to make sense.
|
deerridge
GenIII
10/18/2006
16:41:16
| RE: Low end power gains
IP: Logged
Message:
Gears!! I have the same setup on my 03 RC, AWD except I have the stock muffler and exhaust. They said a catback takes away low end torque because the exhaust speed isn't as high. I have the 3.92 gears on mine and it pulls anything I'll ever hook to.
Real Horsepower
|
Kowalski
GenIII
10/18/2006
17:04:35
| RE: Low end power gains
IP: Logged
Message:
Yup, gears will be pricy for a 4x4, but that's your best gain. I went from 3.55 to 4.10 and even gained 1 mpg. Several guys have gone deeper to 4.56. The HO cams are said to have more power everywhere, not just higher revs, and mine felt more powerful throughout the rpm range. More ignition advance (chip or flash) felt stronger through all revs too. Strongest feeling gain was the gears though.
Lead, follow, or get out of the way
|
01QC
Dodge Dakota
JOIN HERE
10/18/2006
17:16:35
| RE: Low end power gains
IP: Logged
Message:
Thanks for the input guys...guess ill be looking into gears:)
|
Dakota5.2
Dodge Dakota
JOIN HERE
10/19/2006
13:01:00
| RE: Low end power gains
IP: Logged
Message:
I'm not sure if one is available for your truck. IMO ... a cam swap can help for a low end grunt. You need to look for a cam with different specs. Stay away from drag racing cams, look for more of a RV style cam.
On older cars, a dual plane intake would make more low end than a single plane intake. Check with Mopar Perf. to see if they offer one. I believe they did for the older magnum engines.
Check the hp/tq specs on the Jeep trucks and see if they differ from yours. Use similar model years. I believe they may be using the same motor.
Let us know what you find out.
Good luck ... just some suggestions.
Dakota5.2
|
Kevin
Dodge Dakota
JOIN HERE
10/19/2006
14:01:59
| RE: Low end power gains
IP: Logged
Message:
Yeah it's the same motor, but it's different PCM programming and gearing.
|
Lurkin
Dodge Dakota
JOIN HERE
10/19/2006
14:44:25
| RE: Low end power gains
IP: Logged
Message:
HO cams
Superchips
Gears
Price will define what you want to do first.
|
01QC
Dodge Dakota
JOIN HERE
10/20/2006
01:44:59
| RE: Low end power gains
IP: Logged
Message:
found a pretty good site that had a bunch of 4.7L HO for the jeep 4.7 but they dont make intakes or none that i could find for my dakota.. the last year i could find for a dakota for a dual plane was 2000...this doesnt seem to make sense to me. Cams look promising(any body got any input for a specific type form personnal experience? I was also looking at gears (4.10) VERY pricy and seeing that i am a college student those will have to wait. I have also become very interested in superchips tuners? i saw the dyno on the 4.7L it was something like 21 HP max and 7HP peak which seems like a good deal for the $$.
|
trucky
Dodge Dakota
JOIN HERE
10/20/2006
05:04:52
| RE: Low end power gains
IP: Logged
Message:
i learned 206 cams may be better than HO cams 700 bucks though
|
01QC
Dodge Dakota
JOIN HERE
10/20/2006
10:45:34
| RE: Low end power gains
IP: Logged
Message:
what is the difference between the 200 and the 206. Found these and the price difference is 400$
http://www.krcperformance.com/newcontent/47page.html
|
TexasTodd
Dodge Dakota
JOIN HERE
10/22/2006
19:22:58
|  RE: Low end power gains
IP: Logged
Message:
Hold on a minute,
Objectivley done,
the SC tuner only gave me 8hp, MAX gain.
My old posts have all the details, and dyno's posted.
|
N56629
Dodge Dakota
JOIN HERE
10/23/2006
06:36:52
| RE: Low end power gains
IP: Logged
Message:
"the SC tuner only gave me 8hp, MAX gain."
Actually, that's not bad, that's about $40-50/hp. It ranks right in there with a set of headers. HP typically runs about $30-50 per every one horsepower gained.
|
Kowalski
GenIII
10/23/2006
07:30:59
| RE: Low end power gains
IP: Logged
Message:
Let's put this in the proper perspective now - Todd has a manual tranny - we've seen these get the smallest gain from superchip. Some of us think manual tranny trucks got more ignition advance from the factory; so that could be the smallest gain you would get, some will likely see more. Back when I got my PCM flashed for more spark advance, some were reporting seeing at least 3 different levels of ignition advance from the factory for different 4.7's - that will affect how much gain you see.
Lead, follow, or get out of the way
|
Lurkin
Dodge Dakota
JOIN HERE
10/23/2006
10:49:06
| RE: Low end power gains
IP: Logged
Message:
To clarify, I have an 02 4.7 QC AWD auto, same config as the original poster, but newer. The first two items on my list I have, and have noticed gains. For the HO cams, unfortunately I only have the butt-dyno, but for the Superchips, I G-tech'd a consistent 4-5 tenth quarter mile time gain. Given the QC weight, that is more of a gain then the advertised 8-23HP accounts for.
I have not done the gears, too many $$$$ for an AWD.
Mods where I've noticed a gain, or just a better feel (only recently had the G-Tech):
o removed clutch fan
o HO cams
o clipped TCM wire
o Superchips
o Edelbrock IAS shocks & leveled front end via torsion bars - helps brake dive/feel, and "bump-walking"
o 45rfe Transgo shift kit (no G-Tech data, firmer/quicker up-shifts though)
Mods that just didn't do much:
o Volant intake tube and cone type filter (G-Tech'd no gains, actually lost a tenth)
o Glass pack (resonated too much)
o Magnaflow muffler (nice sound, but no gains)
o 3923 plugs, 180 t-stat (was trying to solve a ping issue with these,,, they didn't solve it...)
|
01QC
Dodge Dakota
JOIN HERE
10/25/2006
12:07:55
| RE: Low end power gains
IP: Logged
Message:
I LEARN SO MUCH HERE!
first off i jsut want to thank everyone who helps littel lost souls like myself. I have learned so much on this sight it is unbeleivable. anyways, i think im going to go with the HO Cams and intake from KRC, and also remove the clutch fan. Who knows if they will give me any low end, but its an improvment in the least. as for super chips...i think ill wait...also i watched an installation video for the shift kit and it looked like a huge pain in the a$$...drilling holes in my transmission makes me nervous...anyways thanks for everything guys!
|
Josh
Dodge Dakota
JOIN HERE
10/25/2006
14:19:31
| RE: Low end power gains
IP: Logged
Message:
If you have a 45RFE or 5-45RFE tranny, there's no drilling to do. Just replacing springs and accumulator piston seals, and adding a resistor to up the fluid pressure a bit. It is time-consuming and messy, though.
|
Lurkin
Dodge Dakota
JOIN HERE
10/26/2006
09:55:50
| RE: Low end power gains
IP: Logged
Message:
Josh is right. No drilling on the 45rfe. In fact if you clip the TCM wire, or have a programmer, then the resistor mod is not even needed.
It is messy though, as you need to pull the pan and the valve body to change the springs and accumulators.
Also note that the HO intake is not for low end gains. It's a shorter runner version of what you have now. It will breathe a bit better at the high end, and _may_ cost a bit of power at the low end.
|
01Motorsport
Dodge Dakota
JOIN HERE
10/26/2006
11:40:02
| RE: Low end power gains
IP: Logged
Message:
Don't forget about the crappy factory 4.7 Y-pipe with its 1/1/2" each inside diameter going into the "Y". I installed a Magnaflow 2/12" dual into 3", and a Carsound 3" hi-flow cat. converter on my '01 4.7. More bottom end, minor mpg improvement. Ho cams with the '01 intake helps,too. The "sweet spot" for Ho cams torque is around 3400 rpm; just right for everyday use.
|
Kowalski
GenIII
10/26/2006
15:03:42
| RE: Low end power gains
IP: Logged
Message:
01QC - which intake did you go with ? The '00 style was best for low end torque. There is also an older HO specific manifold, tuned more for high end; and a compromise design that's been stock for some time now (but not sure what year they switched to that - many mistakenly call that compromise design HO as it is used now for both variations of the 4.7). Just thought you should be aware of that, since you said you were looking for low end power. The intake you already have might be pretty good for what you said you want.
Lead, follow, or get out of the way
|
| | P 1 Next Page>> |
