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  #16  
Old 05-04-2011, 08:40 PM
canonmutant canonmutant is offline
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Default Re: Volant Cold Air Intakes

Quote:
Originally Posted by FireRanger View Post
Everyone I have ever seen swear by them has yet to actually show any evidence of what they swear. There are however plenty of dyno tests and good old logic and science that to back swearing at them.

You bought a pickup truck. If you want super mileage, you bought the wrong vehicle.
Yeah, it's just the dynos showing gains vs. those that don't. People swearing they got 1-2mpg improvement vs those that didn't. And as far as buying the wrong vehicle, my 5500lb luxury SUV gets better than 20 around town and generally better than 27 on the H/W. TDI diesel. 6 gears plus lock up that's almost a 7th. As I've said on other threads, TDI diesel really is where this all needs to go.

That said, when I can get better truck mileage out of full size V8, there's something wrong with a compact getting this kind of mileage.

Period.

I am not giving up yet. Gotta get that growl/vibration fixed which could well be an advanced symptom of a problem the truck has had since I got it that could well affect mpgs. Beyond that, the 5 star tuning folks that did my SCT tune are going to re-engage since they claimed 2-3mpg and I only got 1.5. And, I've got a question in to Volant about a money back guarantee if I do not see any mpg improvement.

I had a 1994 "regular cab" 4x4 with the earlier version of this 4.0 engine and I know I got better than 20 on the H/W with that truck and never had a single problem with it while I had it. So, I was expecting newer truck with a five speed auto? It was my expectation to at least do as well as I did with my '94. Beyond that I just like the looks of the Ranger relative to other compacts better and the price on this was nearly 6K better than I could get one for locally. The looks of the Canyon was just something I never could get used to. Liked the earlier Tacomas but not the new ones.

So, I am going to try and see what all I can do to get these numbers up. You can't drive it any gentler than I have been trying to get mpgs.

I'll update once I figure out what the growl/vibration problem is, what 5 star tuning says [maybe they can tweak something further], and what Volant says about a money back guarantee.

thanks for the input,

----------

Quote:
Originally Posted by darkstar_420 View Post
get a f150, i have a 4x4 screw and get 15 -16 mpg, more power/room and just as good fuel milage
I almost got a full size Sierra. With that active fuel management they claim some respectable numbers. Problem is, it's a gimic. On a long test drive, I could only get it in 4 cylinder mode below 62mph and the fuel mileage would naturally shoot up. Above 62, you're getting 18. Who drives slower than 62mph on the H/W?

So, not really "needing" the full size, I went compact and back to the Ranger because I was so happy with my 1994 when I had it. My sister cusses her F150 constantly. Said for some reason, probably just bigger wheels - lower profile tires it rides a lot rougher than her previous one. And it sucks gas badly too. Says, she's been getting about 13-14 around town and 17-18 on the H/W. I thought surely the Ranger would do better than that.
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  #17  
Old 05-04-2011, 08:42 PM
matt224 matt224 is offline
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Default Re: Volant Cold Air Intakes

Quote:
That said, when I can get better truck mileage out of full size V8, there's something wrong with a compact getting this kind of mileage.
The Ranger is not aerodynamic is a bit underpowered even with the 4.0 to achieve good mileage. It is what it is, I didn't buy my Ranger because I thought I'd get good fuel economy, I bought it cause I didn't want a full sive and I loved the Ranger period.

Do you have 4.10 gears? If so, that will knock you down a bit.

Quote:
So, I was expecting newer truck with a five speed auto? It was my expectation to at least do as well as I did with my '94.
Automatic trans will generally do worse in fuel economy than a manual trans. Your 94 regular cab was probably lighter and a OHV engine can perform very efficiently compared to newer tech.

----------

Quote:
Who drives slower than 62mph on the H/W?
I do. I lock in at 57 mph.
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  #18  
Old 05-04-2011, 08:42 PM
darkstar_420 darkstar_420 is offline
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Default Re: Volant Cold Air Intakes

the 4 cyl shut down LOL @ GM, it only goes into that mode at red lights its a truck not a civic
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  #19  
Old 05-05-2011, 04:17 AM
FireRanger FireRanger is offline
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Default Re: Volant Cold Air Intakes

Too bad the concept doesn't work at all. If you add more air, the computer will add more fuel to maintain the proper A/F mix. There is no such thing as bolt-on fuel economy. The only dyno that shows an improvement is the one used in the advertising for the product. Every one in reality shows zero change, and in some cases, a decrease.

Your mileage is on the lower end of normal for a 4.0 Ranger. And with all the stuff you've mentioned that you want to try doing, it will all cost 2x as much as the gas you put in it.
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  #20  
Old 05-05-2011, 10:02 AM
Chris Chris is offline
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Default Re: Volant Cold Air Intakes

That may not work on these rangers, but its been proven to work on the F150's, and if you add more air in, you need more of a tune... At least on the f150, to see any improvement. Just saying.
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  #21  
Old 05-05-2011, 11:29 AM
darkstar_420 darkstar_420 is offline
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Default Re: Volant Cold Air Intakes

yea my f150 had a k&n on it when i bought it, since then i have added a edge cs, then coverted it to a php gryphon with custom tunes, so that i would be in the clear and not in the 04-05 cai lean condition, but custom tunes are the way to go
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  #22  
Old 05-05-2011, 11:30 AM
btm757 btm757 is offline
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Default Re: Volant Cold Air Intakes

Get yourself an ultragauge and then have the Instant MPG on your main screen and play a little game. Keep that number as high as possible while accelerating and while maintaining the speed limit... It helped me go from 16-17mpg to 19.5mpg...

I am also gonna be getting a tune sometime in the future thats strictly Economy and I will let everyone know what I managed to get out of that.
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  #23  
Old 05-05-2011, 11:31 AM
darkstar_420 darkstar_420 is offline
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Default Re: Volant Cold Air Intakes

dont expect alot from the tune, maybe 1-2 mpg but i guess that may get you up to 21.5 mpg

Last edited by darkstar_420; 05-05-2011 at 11:38 AM.
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  #24  
Old 05-05-2011, 11:37 AM
btm757 btm757 is offline
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Default Re: Volant Cold Air Intakes

Quote:
Originally Posted by darkstar_420 View Post
dont expect alot from the tune, maybe 1-2 mpg but i guess what may get you up to 21.5 mpg
Exactly I drive alot so a 1-2mpg savings would add up quick.
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  #25  
Old 05-06-2011, 12:07 AM
canonmutant canonmutant is offline
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Default Re: Volant Cold Air Intakes

It would stand to reason that if you were actually struggling to breathe through the filter assy requiring a heavier accelerator position to get the same airflow through the engine then a superior flowing air intake should improve mpg.

I suspect, however, that at best the better flowing CAIs actually serve their purpose [if they have one] at the top end of the power curve where a stock intake system would/could be limiting perhaps adding to the HP/torque curve slightly at that point. Most dyno curves actually bore that out.

I have been skeptical about these CAIs since day one which is why I posted here. But when you have "Two Idiots With Nothing Better To Do", er uh, I mean "Two Guys in a Garage" and several other cable shows adding these devices and swearing by them it's easy to fall victim. Truth be known, Volant or K&N sponsored that particular show hence Volant and K&N are the best thing since sliced bread on that particular show.

Per my other new thread, I've got to have something wrong with this truck. The fact I now have a growl/almost vibration at or before the firewall is likely what has been contributing to my abnormally low mpgs. After all, that means something isn't turning smoothly, pulling hard, is out of balance, or simply defective none of which is good. It ain't tires/wheels. It's engine, power steering, water pump, AC compressor, or something like torque converter immediately behind. Does it with the AC OFF but that doesn't mean the bearing couldn't be going south.

Will try debuggin myself this weekend otherwise I need to get it into the shop.

Volant didn't respond to my "money back guarantee if I don't realize the mpg increases you're quoting" question. Hmmh. Wonder why?

If I can get back to 15/19 and then add in the custom tune and get 16.5/22 or so, that's what I was trying to do. Sadly, as much as I like my 255 Pirellis, a 235 series tire would probably help too.
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  #26  
Old 05-06-2011, 02:14 AM
btm757 btm757 is offline
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Default Re: Volant Cold Air Intakes

Heck I got 19.5 with 33/12.50s and 4.10s. haha SO I have no doubt in my mind that with changing some driving habits and some other small things 255s can achieve 22mpgs

But I will check out your other thread and let you know how to check for bearing noises
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  #27  
Old 09-23-2011, 05:50 AM
MuddyAxles MuddyAxles is offline
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Default Re: Volant Cold Air Intakes

Wow, I don't feel so bad anymore. The other vehicle is a Quigley window van 4x4 conversion E-350 with V-10 power. She weighs in @ 6,940 empty.

Five years and 70,000 miles later I average 12 country highway mpgs, maybe up to 14 with a good tailwind on extended expressway driving, and 10 towing a lightly loaded 18' tandem axle trailer...or running in 4WD.

I know it is off-topic a bit, but offered for reference purposes...and to make the 30+ cents per mile feel not quite so bad.

Also, the K & N air filter seems to make no difference whatsoever.

I use a Scan Gauge II and watching the "right now" mpg's and driving accordiingly does more to improve economy than anything else, imho.
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  #28  
Old 09-25-2011, 03:27 PM
my ranger my ranger is offline
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Default Re: Volant Cold Air Intakes

small diference between the air box mod, whit a k&n drop filter.
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  #29  
Old 09-26-2011, 02:02 AM
canonmutant canonmutant is offline
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Default

Or just look at the specs of the late model 4.0 and realize it's a car engine and has no power between 1700-2200 rpm where you are cruising at which is why it struggles so badly to operate efficiently.

I just gave up, took advantage of all the rebates, and traded mine for an ECOBoost. Had to drive to Des Moines to get my XLT 4x4 cuz they couldn't get a rebate truck locally like I wanted and got 16.2mpg in my Ranger going up.

Coming home through the hills of Iowa and Missouri north of KC driving 75mph, through 2 nasty KC traffic jams that cost at least 15 minutes of idling and stop/go, and then running 78-80mph through the Kansas flinthills back to Wichita, got almost 21mpg with EcoBoost. 4+mpg better running faster in a taller, heavier truck and didn't have to deal with traffic jams on the way up in the Ranger.

It pays to have max torque by 2500rpm and 90% by 1700. That's a truck engine dyno curve. The late model Ranger 4.0 sees max torque clear up at 3500 and has has no power down through the cruise rpm range.

I bought the SCT econo-flash back in March which did help the around town mpg BTW and in May or so when I started using AC, there was a vibration at H/W speeds when the AC was on. The dealer actually replaced the AC compressor under warranty, the idler, and the belt and finally gave up saying well the AC works, there are no fault codes, this must be normal for this truck.

When I downloaded the stock ECU code before I traded it in, the AC vibration went away. Hmmh, imagine that. It was the frickin' engine apparently running too lean and rough at H/W rpms causing the vibration I was feeling. Surprised it wasn't latching codes. And it never did help my H/W mpg.

Not trolling here folks. The Ranger as a truck serves its purpose, always liked the looks despite a long in the tooth design, and my '94 with the early 4.0 was my 2nd favorite truck ever next to my Sierra, prior to my new toy anyway. Time will tell how ECOBoost ranks but it's certainly off to a good start.

I just think that 4.0 engine is worthless for a truck. Sure it's got plenty of power when you floor it, just not where you need it. And per my other post, I still think stroking it to a 4.5L would actually improve H/W mpg by lowering and increasing the power curve peaks with only a slight increase in reciprocating mass. Couldn't hurt it. At least not on mine anyway . . .

And my gaud the new F150 rides and drives SO nice period much less for a 4x4. I'm pretty sure this ECOBoost at 68-73mph may hit 24mpg with 420 lb ft available when you want it.

They're coming out with a 4 banger ECOBoost for the Explorer ~ 30+mpg. Let's hope they put that bad boy in the new Rangers.
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