ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: S.Sidekick on December 09, 2007, 10:30:27 PM
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well i run the calmini 3" suspen. lift and 30's i still drive around town and comute to college everyday, but i do lack in the power catergory... im really puzzeld now, see ive done, long tube header, high flow cat, 2" full spin tech exhaust, cold air intake, iridium spark plugs and preformance radiator, but still have pwer issues. my egr is flasheing again so i wonder if thats the cause, or maybe mines just gut less. please if any idea of mechanical or reson let me KNOW!!! oh ya with all those mods im getting 20mpg shifting at 2900rmp. city or highway it doesnt matter.. is that really bad?
help me before i sell this thing.
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Aside from your check engine light, which I would get diagnosed asap, your rig sounds about normal. A lifted Trackick with big tires and no gearing change is actually pretty good at 20mpg. As far as your power issues, All Trackicks are dogs to begin with. You didn't say if yours is an 8 or 16v engine. The 16 is a bit more powerful. Maybe gearing? Turbo?
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Front and rear gears wpuld be the best solution.It will gwt your engine back in it's optimal power range,and should improve mileage quite a bit.
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oh ya with all those mods im getting 20mpg shifting at 2900rmp. city or highway it doesnt matter.. is that really bad?
help me before i sell this thing.
Shifting at 2900 is a bit low. You should shift at 3900 RPM. The G13 and G16 are not like US engines - they like to rev high in order to get good performance.
As others have said, Ring and pinion gears with a bigger ratio would help except that, depending on what engine/transmission combo is in your Tracker or Sidekick, you may have the highest OEM R&P ratio available.
Try running the engine at higher RPMs. They (1.6 engines at least) typically develop more power starting at 3600 RPM. They redline at 6000. I never run mine over 4200 RPM mostly as a daily driver.
Hope that this helps
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Wow. By the subject line, I thought maybe the sky was falling. Or a wolf was eating our sheep. Or something catastrophic like that.
But, no. Someone running 30s with stock gearing is getting lousy mileage. Oooo! Stop the presses!
Show's over, folks. Move along. There's nothing to see here.
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I have a simmilar set up. I have a calmini 2in. with 235s spintech 2in. exhaust. disconnect the battery so the computer can get a good new read, it helps. After my tune up I am very close to stock power. For the 3 in. lift I would deffinently do a gear swap, it shouldnt be to expensive!!! Good luck!!!
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ya i am running 5:12's i beleive its a 94 16v 5speed, so wut gears should i go with most are discontinued right? And so if i shift at 3600rpm range ill get better gas mileage???? hows that work
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so if i shift at 3600rpm range ill get better gas mileage???? hows that work
Because the engine will be bogging down less and producing much more power.
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k ill try it, but how much did the tune up cost kickscrawler91 what all did they do adjust the vavles, or wut?
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I do believe that your MPG is a little low. I'm lifted with steel wheels and 31" MT's, and I get 25-26 MPG. I think the advice you've gotten is good though. Reving the engine a little more for the shift points should help you out some.
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I worked out what your problem most likely is.
You're not running the Nology spark plug wires. According to a lot of guys on the board, they make a world of difference.
I'll let everyone else try them before i think about getting them.
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where do you find these wires, autozone, shucks, or internet???
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You're not running the Nology spark plug wires.
ok, mikey ... time to get an alter-ego of "sarcasm_mike" ...
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Show's over, folks. Move along. There's nothing to see here.
I did feel a bit like a rube at the carnival when I actually read the contents of this post...
It IS bad form to cry wolf to get people to read your posts. Someday yo'll REALLY HAVE a big problem and nobody's gonna respond to your posts because of your previous attempts to get our attention.
Please be more descriptive in and less DECLARATIVE your subject line...
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#1 - are you SURE that's the gas mileage you're getting? Do you know if your speedo has been corrected to match your larger tires? Are you adjusting for that?
30" tires will reduce your gas mileage, but it shouldn't be killing it like that.
* Your #1 problem is your shifting WAY too early. Every engine has an RPM range within which it's running most efficiently. In 1.3 and 1.6L Suzuki engines, that range BEGINS in the low 3000 - so you're shifting JUST when the engine is starting to be efficient.
* The mods you did will FURTHER compound your problem with shifting too early. At least 3 of your mods HURT low RPM power / efficiency, but help you GAIN mid & high RPM power / efficiency.
* It also depends on how QUICKLY you're trying to get to those shifts. If you're depressed more than 1/3 of the gas pedal during accelleration, you're going to suck down more gas (acceleration is the #1 driver controllable factor of gas mileage).
* Are you driving in heavy traffic, or up & down a lot of hills?
* Are you keeping up with your maintainance schedule (oil changes, plugs, wires, valve adjustments etc)?
* How "fresh" is your engine? Is it high-miles? Was the person before you hard on the engine (by bogging it down by shifting too early, or accelerating too fast, or carrying too much weight :-\ )?
* What brand of tires? If you're running a heavy bias-ply M/T tire, it could be heavier than a standard 30" tire, and rotational mass KILLS gas mileage / acceleration / breaking distance.
* If you want to play with additives to help improve gas mileage, visit bobistheoilguy.com (http://bobistheoilguy.com)
* Not sure about the iridum spark plugs either. "performance" parts usually do more to hurt a daily driver than help it out. NKGs seem to work best, and their cheap.
* Performance radiator? What the hell does that mean?
* What's a "Flashing EGR"? Are you talking about a flashing "check engine" light? If so - your engine could be running rich (kills MPG & destroys engines in a hurry).
There's no such thing as a high-performance & fuel efficient vehicle. They're one or the other. You'll have to decide for yourself what's more important to you: Going fast, 4 wheeling, or fuel economy.
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you really do need gears imho....
I have a 3/4 chevy with 37s and it didnt really lack THAT much power with 3.73s...... but I wanted better MPG and an assload more power so Im setting up 4.88s right now (almost done with the rear)
and then I will be golden.....
gears for sure man
and I have 31s with 4.57s..... I could definitely want more power but it is fine for now and I can go on a 2+ hour trip in the sammy offroad through the snow and my gas guage will be at the same place or close to when I started
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#1 - are you SURE that's the gas mileage you're getting? Do you know if your speedo has been corrected to match your larger tires? Are you adjusting for that?
I think this may be your problem. At 55 on the speedo is actually closer to 63 MPH. Im sitting here really tired and cant figure out how to calculate that out to how far the odo is. Mabey someone who is a little more awake can calculate it. Off the top of my head Id say if the odo reads 180miles its closer to 200 miles.
Can you post what numbers your odo reads and how many gallons were used?
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There's no such thing as a high-performance & fuel efficient vehicle. They're one or the other.
I call shenanigans on that. Sure, high-performance gives the driver a greater opportunity to drive with far less efficiency, but if you can lay off the temptation, almost any performance upgrade to an engine will increase efficiency, practically by definition.
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my egr is flasheing again so i wonder if thats the cause, or maybe mines just gut less.
Fix whatever is throwing the EGR code (probably clogged EGR passage).....then your MPG should go up.
I shift both my samurai and 4 door sidekick at anywhere from 2500-3500 (usually closer to 2500), unless I am going up a pretty good hill or need to accelerate fast (like when merging into traffic).
Granted both of mine are relatively stock, but I get 27-28 out of the samurai and 28-29 out of the sidekick.
Also, as suggested, make sure you are compensating for your bigger tires....you will be going more miles than what your odo is saying you are.
If it hasn't been done recently....a basic tune up would probably be good too....plugs (stock will probably be just as good as any "exotic" plugs), wires, cap, rotor, check/adjust valves, timing, and TPS. You could also check all the sensors, to make sure they are all within spec.
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If you need to check your actual milage and how fast you are going get a GPS. Or borrow a friends. Even the cheapest GPS will have a milage counter and will tell you how fast you are going.
After the EGR thing, this is what I would do.
P.S. I've always shifted between 3,500 and 4,000 on average.
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The 1.6 8V puts out 94 lbs of torque at 3,000 or 3,300 depending on where you get your info The 1.6 16V puts out 99 lbs of torque |removethispart|@ 4,000 RPM. These numbers are your optimal crusing RPM. The RPM where the engine makes the most power is where you want to run the engine to get the best fuel mileage. as for your shift points it does not hurt to exceed the torque point, but not by much. 500 to 1000 RPM depending on your needs.
(http://www.carkeys.co.uk/images/cm_images/general/powertorque.jpg)
As you can see from the image above a typical torque curve continues almost flat after it reaches its peak before it starts to fall off. You want to use that flat area of RPM for your acceleration. Ideally what you would do is accelerate to the point where when you shift to the next gear the RPM's would drop back to the peak torque RPM this way you are staying in the power curve at all times.
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P.S. I've always shifted between 3,500 and 4,000 on average.
Am I the only one who shifts at 5500? >:D
Unless I see :police:
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;) Nope, Mikey, when the turbo is workin' and not spewing oil, it'll run right up to 6500 before it shifts with the auto tranny. Sounds real good too. Without the turbo, even if I keep my foot to the floor, it auto shifts at 5700. But I do cruise mine on the highway at 3700 to 4000, that's where it seems the most happy.
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I put a 3sp auto behind my 16v (and running 5.12's) ... cruise is 4k ... wood shifts are around 5500 ... and yea, I've held it all the way to redline :)
all this on an engine with 235k miles ;)
still the most dependable rig I could ever get in and drive. someday I'l measure my mileage ...
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5500 rpm - gee Mike you must be getting soft in your old age, aren't you supposed to shift at the rev limiter :laugh:
BTW - got a copy of UA2004 the other day - man your old orange Kick was cool, I sure miss seeing it grace these pages :'(
Woops sorry for hijacking the thread :-[
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so wut gears should i look at?? going from 5:12l's and crusin at 4 grand, thats a little crazy but ill try it on this gas tank. hey since your shifting at 3300 to 3600 what should you run at? i mean when you get up to the speed limit do these motors like to run at low rpms or stay at high all the time?
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so wut gears should i look at?? going from 5:12l's and crusin at 4 grand, thats a little crazy but ill try it on this gas tank.
If you are running 31's 5.83's will put the gearing back to stock.
hey since your shifting at 3300 to 3600 what should you run at? i mean when you get up to the speed limit do these motors like to run at low rpms or stay at high all the time?
The 1.6 8V puts out 94 lbs of torque at 3,000 or 3,300 depending on where you get your info The 1.6 16V puts out 99 lbs of torque |removethispart|@ 4,000 RPM. These numbers are your optimal cruising RPM. The RPM where the engine makes the most power is where you want to run the engine to get the best fuel mileage.
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tch, tch, you dissers, now you see that there really are no dumb questions... as proved by all the really good answers. ZUKIWORLD ROCKS!!!
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I generally sift around 5000 RPM when accelerating, then find a gear that doesn't feel like it's bogging when maintaining speed. I Shift as necessary (going up / down hills). I get 26 MPG regularly with my 4 door 5 speed.
~J~
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Use this to figure your MPH and gearing changes.
Wild
http://wildcatent.freeyellow.com/zookmods/calc.htm (http://wildcatent.freeyellow.com/zookmods/calc.htm)
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Use this to figure your MPH and gearing changes.
Wild
[url]http://wildcatent.freeyellow.com/zookmods/calc.htm[/url] ([url]http://wildcatent.freeyellow.com/zookmods/calc.htm[/url])
we thought some jeepers converted you wild !! where you been man?