Can everyone here that has benifited in this snorkle removal, please post when

1. you started doing this snorkle removal- what was your odometer reading(approximate), and what is your odometer reading now

2. what else have you changed along the way, ie. synthetic oils used? reduced wheel/weight size ? etc.

3. manual or auto trans

 

Started at 37800, now at 387xx. Nothing changed within this time, still getting around 32mpg.

 

After 4 gastankfuls:
pre-snorkel removal -- 33.4 mpg
post-snorkel removal -- 33.7 mpg

Statistically insignificant improvement.

No other changes.

I drive an '06 stick with around 13K miles.

Looks like the snorkel is going back on . . . .

 

I have a 2006 Scion xB Auto. 14k miles
I have tried both the K&N Filter and Disconnecting the Snorkel mods seperately, both undoubtably decrease MPG for my car. Also I think the Lucas Oil Treatment and the temperature drop from 70's-80's to 40's-50's has caused my milage to trend down.

29.538 MPG 11/09/2007 disconnected snorkel, major drop in milage ---------------
37.396 MPG 10/31/2007 50psi
32.985 MPG 10/29/2007 aggressive
34.0 MPG 10/22/2007
36.553 MPG 10/12/2007 Lucas Oil Treatment
36.646 MPG 10/04/2007 87 oct, 40psi
37.64 MPG 09/28/2007 87oct, 200lb. load, 35psi
39.458 MPG 09/27/2007 Yoko Avid TRZ new tires, 40psi, 93oct,oil chng,

 

wow

 

06 xB
Standard
15" OEM tires w/ aftermarket wheels, 38 psi. in all 4.

Now im at 18,xxx and did the removal around 17K.

I average 36 - 38 MPG


-I run Pen. Plat. in the engine (5w30) Soon to make the permenant switch to 0w30 though. Have never gone a full 5K between OCI, but I have gone 4 months.

-Removed snorkel. The 8 fillups after removal compared to the 8 fillups before resulted in an average increase of 2.45 MPG. I don’t know for certain how important it is, but I did reset my ECU by pulling the fuse and reinstalling after 15 min. right after the removal. THERE IS A HOW TO IN THE TECH SECTION!

-I clean my MAF/AIS once per year when I change out my air filter.

-Shell gasoline has given me the best reults when compared to Arco, Exxon and Chevron.

 

I just finnished putting my snorkle back on. Before I removed it I was getting around 31-32 MPG. With it off, I was getting around 25-26.

2005 xB, manual, 80,000 miles, Toyo Avid TRZ tires on stock alloy wheels at 32 psi.

 

Its amazing how many different results peeps are getting by removing the snorkle. Me personally, mine is off to stay, I have an '06 xb auto and I've been consumed with trying to get my gas mileage as good as it can be. I drive 90% highway miles to the tune of 440 miles a week and I get 38-40 miles per gal, is it all due to removing the snorkle? No. But it is part of the package of things I do to get such good mileage...you da man BoxOffice! =D

 

thought some of you might find this interesting, intake component restriction measurements:

http://www.autospeed.co.nz/cms/A_0892/article.html

geared towards power rather than MPG tho.

 

I think it's awesome that some are getting 38-40 mpg out of their box. That's awesome!

But I have never gotten more than 33 out of 1 tank. I ran snorkel-less for 5 tanks of gas, and never got better than 26. The car also felt a little sluggish, especially during cold mornings. I'll keep track, to see if the mileage goes up now that I put the snorkel back on.

I also have not replaced the spark plugs yet, at 80,000 miles! I will not run more air pressure in the tires, as that will wear them down more in the center of the tire, and it must give a harsher ride than it has already! I also use regular oil, not synthetic.

So, what else are you people doing to get 38 mpg? What kind of plugs? Synthetic oil?

 

Air pressure in the tires is the easiest way to up the MPG so on a trip that is on smooth roads try upping the air pressure to about 40psi or at least 35 - a few more pounds is not going to feel that much bumpier. Then you can decide if the harsher ride is worth the extra MPG. I think you are ready for new plugs or at least checking the gap on the ones you have. If you have not removed them to at least check them in 80k then you may have a problem getting them out - be very careful - I think removing them when the engine is cold is going to be important. My mileage is down a bit due to a lot of 1 -3 mile trips . . . only averaging about 40mpg.

 

first look at how much weight I have added to the car. then realize that removed snorkle bumped me from 25 to 33 mpg's. went back and put in a TRD filter and dropped it back to 27 or so. still better than before. and my OEM filter had 28K on it. never changed until the TRD filter went in.

 

While I can't explain some folks not getting any improvement (or even some negative effect), all I can tell you is that after almost 9 months - which for me has been over 25,000 miles! - the improvement in both power (albeit subtle) and MPG has been constant for me. My only mods were the snorkle removal, and the K&N replacement filter. During this period I've even managed 43.86 MPG and 486 miles on a tank! Yes, I was working at it pretty hard, but that's still an impressive feat!
In the last couple of months my drive and conditions have changed dramatically; I used to drive 160 miles a day in L.A. traffic (mixed highway, city, stop-n-go rush hour driving) 4 days a week on sticky aftermarket tires and wider than stock wheels, and still averaged 35-37MPG. I now have a 12 mile roundtrip (100% city), and have swapped my running gear back to the stock factory 15" alloys and tires - though I've upgraded the tires to Michelin Exaltos in a 195/60-15 size, just 32 PSI - and my average is still a dead-steady 34-35MPG!
These values do NOT reflect any kind of "granny" driving, just normal, average habits, although honestly, I seldom floor it. My MPG went up a solid 3.5-4MPG from the first day I made the mods, and has stayed there ever since. I never even did the ECU re-set.
So - as far as I'm concerned, I'm extremely satisfied with a mod that's done so much for me, and only cost $45 for the K&N and probably less than 5 minutes of my time! I couldn't imagine changing back for any reason, especially when it even SOUNDS so much better!

 

I'm wondering if it's just because it's colder here than LA, that my car feels very sluggish at take off when the snorkel was removed. May also explain the worse mileage I was getting. I ran without the snorkel for 5 tanks of gas. And like I said, never got above 26. And this is a 20 min. commute, mostly highway.

I think this spring I'll try it again.

This weekend, I'll be cleaning the K+N filter and replacing the sparkplugs. What is anyone using for plugs? Stock gap?

 

Would this work as well on a tC??

 

I"m thinkin I'm gonna give this a shot considering that i've maxed out at 272miles/ 30mpg on a tank. Mind you I'm in a colder climate than most people here but still, I'm looking for the best results too. I'll post updates after my next tank fill.

 

Since all of us are xB owners, why dont you try it and find out? Its not like you can hurt anything and its not like you cant return it to stock.

Let us know.

 

I havnt hit 38MPG in the past two fill-ups...36.9 and 37.2 MPG, but I was expecting that with the cooler weather and all.

 

Air too cold will not help you run better - you need higher temps to ignite the fuel in the winter - remember the plastic intake keeps the air from warming up so it stays cold and doesn't vaporize the fuel very well. The word is to get Iridium plugs and gap them at 0.044" yeah nice and big! I didn't get into the garage before I had to packup and leave the house I was sitting for a month with the heated garage so I didn't put mine in yet but the next time I get into a garage in they go. Not too crazy working outside with any kind of wind blowing sand and dirt into the engine with the plugs removed so I wait.

 

Just put my new plus in this weekend. My mileage has been bad since this sexpirement started, even after I put my snorkel back on. I have been averaging around 25 mpg.
In October I did a cross-country drive, and I got around 33 mpg the whole trip.

I put the plugs in, and the tank was only about 3/4 full, and I just filled up. Just with the new plugs, and on 3/4 of a tank, I got 30 mpg. The plugs were in bad shape, since this is the first set in 80,000.

I will be trying the snorkel removal this spring. I think I got real bad numbers because of the plugs.

Also, I put in Platinum NGK's at factory gap.