enkrypt3d Posted April 21, 2014 Share Posted April 21, 2014 Looking for something that won't make the truck too much louder I just need to be able to squeeze more juice out of this motor. I took the truck off road and with a full load and a few people it has trouble climbing the hills on the freeway without turning off over drive... which I find frustrating when cars get behind me trying to pass and I can't keep up with traffic! Do the doug forley and borla exhaust add enough power that's worth the money? Thanks guys! Link to comment Share on other sites More sharing options...
Terranovation Posted April 21, 2014 Share Posted April 21, 2014 Checked your belts lately? Tighten them up a bit you'll find you get a better response. I tightened mine and it actually helped a little bit. Link to comment Share on other sites More sharing options...
Nissanland Posted April 21, 2014 Share Posted April 21, 2014 Headers will get you more hp yes, and the noise level is dependent on your exhaust system. A good quality borla, is worth it if you're willing to pay for it. Magna flow is another good brand to look at. Link to comment Share on other sites More sharing options...
stabworthy Posted April 21, 2014 Share Posted April 21, 2014 vg30dett conversion jk Link to comment Share on other sites More sharing options...
Precise1 Posted April 21, 2014 Share Posted April 21, 2014 Looking for something that won't make the truck too much louder I just need to be able to squeeze more juice out of this motor. I took the truck off road and with a full load and a few people it has trouble climbing the hills on the freeway without turning off over drive... which I find frustrating when cars get behind me trying to pass and I can't keep up with traffic! Do the doug forley and borla exhaust add enough power that's worth the money? Thanks guys! You are actually supposed to turn off overdrive when under load in hilly terain. Define 'enough power' and 'worth the money' please, it is probably different for everyone. If replacing the exhaust nets you 10 hp, it doesn't sound like much but it is a 7% gain, just different ways of looking at it... My WD21 with a stock motor, Thorley headers and custom exhaust has a bit better throttle response and more power than before. B Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 Well the cost isn't really a problem. The problem I'm having is I'm forced to turn off OD when going up hills even on the highway... When I was wheeling over the weekend, in 4h, I'd have to put it in first gear to climb some of the steep hills otherwise it would try to stay in 2nd or 3rd unless I floor it which I shouldn't do off road hah! Link to comment Share on other sites More sharing options...
Precise1 Posted April 21, 2014 Share Posted April 21, 2014 Sorry, I wasn't clear about it. Turn off OD off road and under 30-35 mph on road and when in hilly terrain (up hill at least) on the highway or freeway. OD just pretty much just for relatively flat cruising... Yes, the tranny will tend to shift up, even at low speeds, that is why you have the option to select the top gearing for the situation. You are doing it right, other than reading too much into 'automatic transmission'; it simply can't automatically select the best gear/rpm for every situation, that is asking too much. Try playing with the 'power' switch as well. B 1 Link to comment Share on other sites More sharing options...
adamzan Posted April 21, 2014 Share Posted April 21, 2014 If you put it in power mode and leave it in "2", I find it will pick the right gear for the situation itself...With headers on mine, compared to my stock exhaust old pathy, I can hold speed in OD easier than before on the same hills. What kind of off roading are you doing? Why not just use 4-low? Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 (edited) Nothing too crazy... and yea I did use 4L when I was climbing and descending steep hills off road... but when on the highway it seems like the trans always wants to use the highest gear it can unless I force it. Edited April 21, 2014 by enkrypt3d Link to comment Share on other sites More sharing options...
Precise1 Posted April 21, 2014 Share Posted April 21, 2014 Nice range... B Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 Thanks this place was great! kind of a long drive though. Link to comment Share on other sites More sharing options...
Precise1 Posted April 21, 2014 Share Posted April 21, 2014 Most of the good places are. I'd like to find something like that, but it would automatically be a long drive as well. South/Western US? I've seen a lot of land that looks like that... B Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 (edited) Yea this is BLM land near bakersfield... Edited April 21, 2014 by enkrypt3d Link to comment Share on other sites More sharing options...
Precise1 Posted April 21, 2014 Share Posted April 21, 2014 Got it! No wonder it looked familiar, the wife was from Fresno and I've been up and down HWY 99 way too many times. B Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 Yea this part of the country looks familiar for hundreds of miles in any direction which is amazing Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 21, 2014 Author Share Posted April 21, 2014 I guess I should replace my MAF & o2 sensors since I have them handy.... just unsure if the MAF plug & wiring is still good though. Link to comment Share on other sites More sharing options...
adamzan Posted April 22, 2014 Share Posted April 22, 2014 What size tires are those? If they are bigger than 31" that is why it gears down so much on the highway. Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 22, 2014 Author Share Posted April 22, 2014 They are 265/75/15 BFG KM2 on 15x8's... I was seeing this problem before I changed the tires so I think my o2 sensor is toast or maf... just gotta figure out how to replace it! Link to comment Share on other sites More sharing options...
gv280z Posted April 22, 2014 Share Posted April 22, 2014 (edited) You could start by getting an O2 Sensor socket and some PB Blaster. I know, it sucks $20 bucks for two items, one of which you'll not use again for the next couple of years. You know..my truck does a wierd thing when I'm offroad sometimes and I'd been spinning the tires in loose terrain, gravel or mud, it won't downshift out of 2nd gear back to first even though I'm stopped, try 1st gear, put in neutral, park whatever...it's in 2nd gear until I turn off the engine and ignition completely, then start back up again and voila 1st gear is back! You may be getting that one...and offroad from a dead stop 2nd gear feels real sluggish, it would make you say...hey, wth? Edited April 22, 2014 by gv280z Link to comment Share on other sites More sharing options...
adamzan Posted April 22, 2014 Share Posted April 22, 2014 Unplug the o2 and see if it runs better. If it does, then you know. Link to comment Share on other sites More sharing options...
92Path_68CJ Posted April 22, 2014 Share Posted April 22, 2014 Not a fan of Borla exhaust. Had a lot of drone issues with it. PO on my dad's Pathfinder even had the Borla muffler replaced with Magnaflow due to drone. Link to comment Share on other sites More sharing options...
silverton Posted April 22, 2014 Share Posted April 22, 2014 If you're towing or have a FULL truck just turn OverDrive off, you won't notice much of a MPG hit.. I recently drove to Oregon to tow a Datsun 1200 back. On the way down I got 14mpg cruising at 60mph with me and two people. On the way back, with U-Haul trailer with said 1200 and the same two people, I turned OD off for the entirety of the trip and got 12.5mpg. And anytime you're "off road" you should be in 4L. 4H is basically for snowy roadways. Link to comment Share on other sites More sharing options...
92Path_68CJ Posted April 22, 2014 Share Posted April 22, 2014 If you're towing or have a FULL truck just turn OverDrive off, you won't notice much of a MPG hit.. I recently drove to Oregon to tow a Datsun 1200 back. On the way down I got 14mpg cruising at 60mph with me and two people. On the way back, with U-Haul trailer with said 1200 and the same two people, I turned OD off for the entirety of the trip and got 12.5mpg. And anytime you're "off road" you should be in 4L. 4H is basically for snowy roadways. "Off road" is open to interpretation. If I used 4lo on a lot of the trails I like it would take me days.... Link to comment Share on other sites More sharing options...
enkrypt3d Posted April 22, 2014 Author Share Posted April 22, 2014 Yea the roads where we were didn't need 4L unless I was on some of the less traveled roads or some of the very steep hills going up or down. Anyone know where the plug is for the o2 sensor? letting the truck cool down and going to try and unplug it to see if thats my problem. I did turn on "power mode" instead of full auto which helps some but the engine used to feel much stronger regardless of what gear it's in. Maintenance done so far: timing belt water pump all new belts new starter new intake manifold gaskets new valve cover gaskets new brakes new shocks new springs new bushings new tires & wheels oil change / trans fluid change new spark plugs, wires, distributor cap and rotor new fuel filter and air filter All of this was done in the past year or so... The only things remaining are: Fuel pump fuel injectors oxygen sensors MAF sensor What else am I missing? Link to comment Share on other sites More sharing options...
Precise1 Posted April 22, 2014 Share Posted April 22, 2014 Unplug the o2 and see if it runs better. If it does, then you know. That isn't really a definitive test... And anytime you're "off road" you should be in 4L. 4H is basically for snowy roadways. Maybe on your local trails, but that statement just showed your limited experience. B Link to comment Share on other sites More sharing options...
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