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Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5033797
03/06/19 03:12 PM
03/06/19 03:12 PM
Joined: Jan 2011
Posts: 799
Anaheim, CA
zorobabel Offline
zorobabel  Offline

Joined: Jan 2011
Posts: 799
Anaheim, CA
I bought a gallon jug of TC-W3 yesterday, what a PITA to pour out of. They could have designed the jug better.


1997 Maxima 197k, Castrol GTX Synblend 5W-30, FL400S
2004 Corolla 197k, VWB + SSS + Rislone cocktail, MGL51516
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5036239
03/08/19 03:43 PM
03/08/19 03:43 PM
Joined: Jan 2011
Posts: 391
California
DGXR Offline
DGXR  Offline

Joined: Jan 2011
Posts: 391
California
For me, it's more important to get a good mixing of the oil and gas than to get an exact 100% perfect ratio. So I add the oil first, then gas up.
As long as the ratio is between 600:1 and 700:1, it's fine. So I am comfortable estimating the quantity of oil to add. When we drive the same vehicle for awhile and we know how big the tank is... we can pretty accurately estimate how much fuel it will accept from the fuel gauge reading. Pretty simple to estimate how much oil to add first.


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 Base SR5 AC
1999 Yamaha YZ400FL
2003 Honda XR400R
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5044277
03/15/19 06:44 PM
03/15/19 06:44 PM
Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
So playing with this, I have found that 1oz per 20 gallons of fuel is the best for mileage although 2oz per 20 gallons makes the injectors super quiet along with the engine. Either is better than nothing at all in terms of quietness.


'18 Dodge Grand Caravan GT - 25k KM - AMSOIL SS 0w20

Fear 20wt oils if you want your engine to last. smirk2
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5044624
03/16/19 04:49 AM
03/16/19 04:49 AM
Joined: Jul 2005
Posts: 31,668
NY
demarpaint Offline
demarpaint  Offline

Joined: Jul 2005
Posts: 31,668
NY
Originally Posted by StevieC
So playing with this, I have found that 1oz per 20 gallons of fuel is the best for mileage although 2oz per 20 gallons makes the injectors super quiet along with the engine. Either is better than nothing at all in terms of quietness.


That's a very low dose, considering most claim the sweet spot is 1 ounce/5 gallons of gas. Did you try that? I would think the small dose you're using would have no impact on anything. At least those were my observations in two vehicles I ran it in at such a low dose. Maybe because the vehicles I experimented with were older with more miles on them? shrug


God Bless Our Troops

Re: TC-W3 Oil add to fuel in vehicle [Re: demarpaint] #5044651
03/16/19 06:53 AM
03/16/19 06:53 AM
Joined: Mar 2009
Posts: 3,201
Indiana
BobFout Offline
BobFout  Offline

Joined: Mar 2009
Posts: 3,201
Indiana
Originally Posted by demarpaint
Originally Posted by StevieC
So playing with this, I have found that 1oz per 20 gallons of fuel is the best for mileage although 2oz per 20 gallons makes the injectors super quiet along with the engine. Either is better than nothing at all in terms of quietness.


That's a very low dose, considering most claim the sweet spot is 1 ounce/5 gallons of gas. Did you try that? I would think the small dose you're using would have no impact on anything. At least those were my observations in two vehicles I ran it in at such a low dose. Maybe because the vehicles I experimented with were older with more miles on them? shrug


When I have used TC-W3, both the 1 oz / 5 gallon and 1 oz / 10 gallon ratio yielded the same results as far as smoother idle, quieter engine and increased low and mid range torque. I never saw any difference in MPG.


2003 VW Jetta TDI (Sold) / 2015 VW GTI 2.0T
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5044711
03/16/19 08:51 AM
03/16/19 08:51 AM
Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
Sorry everyone that should be 2oz per 20 gallons. I did the conversion from litres of gas to gallons of gas and milliliters to ounces incorrectly.

I started out with 4oz per 20 gallons which is a ratio of 640:1 and settled on 1280:1 with 2oz per 20 gallons being the sweet spot between quietness and fuel economy increases.


'18 Dodge Grand Caravan GT - 25k KM - AMSOIL SS 0w20

Fear 20wt oils if you want your engine to last. smirk2
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5045522
03/17/19 05:20 AM
03/17/19 05:20 AM
Joined: Sep 2010
Posts: 2,212
GA.
ChrisD46 Offline
ChrisD46  Offline

Joined: Sep 2010
Posts: 2,212
GA.
+1 on the 1280:1 ratio being best .
Originally Posted by StevieC
Sorry everyone that should be 2oz per 20 gallons. I did the conversion from litres of gas to gallons of gas and milliliters to ounces incorrectly.

I started out with 4oz per 20 gallons which is a ratio of 640:1 and settled on 1280:1 with 2oz per 20 gallons being the sweet spot between quietness and fuel economy increases.





2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder
Re: TC-W3 Oil add to fuel in vehicle [Re: demarpaint] #5045715
03/17/19 10:47 AM
03/17/19 10:47 AM
Joined: Jun 2011
Posts: 1,264
Texas
wag123 Offline
wag123  Offline

Joined: Jun 2011
Posts: 1,264
Texas
Originally Posted by demarpaint
When I did it I added at the gas station then pumped the gas. I know by the fuel gauge if I need 10 or 15 gallons of fuel. So I'd add either 2 ounces or 3 and pump to a round $ figure ~ 10 or 15 gallons of gas. I might have been a hair over or under on the mix.

I also do it this way. I purchased several 4oz plastic bottles and put 3oz of TC-W3 in each of them, when my fuel gauge reaches 1/4 (21 gal gas tank) I dump the oil in and then gas-up (approx. 15 gallons). IMO this probably mixes the oil with the gas better.
I have been using TC-W3 for about 9 years, soon after reading about it in the LS1 forum https://www.ls1.com/forums/f48/been-testing-oil-91206/
I was initially skeptical, but several things soon made me a believer... my gas mileage improved by about 5%, the slight buzzing noise I heard from the fuel pump went away, the injector ticking quieted down, and the engine ran (and still runs) very smooth and quiet. It has been stated that it also helps to counteract the negative affects of E10. The 5% gas mileage improvement doesn't sound like much, but it does pay for the TC-W3, and then some.
My Toyota is now 14 years old and has over 170k miles on it and it still has the original cat, so I don't think that the TC-W3 has had any negative impact on it's life span. Also, I have not had to replace any injectors, O2 sensors, valves, seals, the fuel pump, or any other fuel system or emission system component.
I buy the cheapest dino TC-W3, usually SuperTech. I did try synthetic TC-W3 for a few months, but the more expensive oil doesn't appear to do any better than the cheaper oil.
In the LS1 forum there is universal agreement that mixing 1 oz of oil to 5 gal of gas is the ratio that provides the maximum benefits, mixing half this amount of oil will not likely provide any noticeable benefits. StevieC, if you mix at this ratio, given the number of miles that you drive, you should be able to report back on any noticeable (positive or negative) benefits in fairly short order.

Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5046195
03/17/19 08:44 PM
03/17/19 08:44 PM
Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,107
ON, Canada eh?
Since the test went well in the vehicle I was playing with it in, I'm now trying my van this week to see if the 2oz per 20 gallons (1280:1) will hold true, or if it will be 4oz per 20 gallons (640:1).

Will let you know after a couple weeks.


'18 Dodge Grand Caravan GT - 25k KM - AMSOIL SS 0w20

Fear 20wt oils if you want your engine to last. smirk2
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5048935
03/20/19 12:15 PM
03/20/19 12:15 PM
Joined: Jan 2011
Posts: 391
California
DGXR Offline
DGXR  Offline

Joined: Jan 2011
Posts: 391
California
It sounds like the low-dose (1oz to 20 gallons) only affects the combustion process while the regular dose (1oz to 5 gallons) provides a better cylinder and fuel system lubricant/cleaner. Just speculation of course, lots of it on BITOG LOL


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 Base SR5 AC
1999 Yamaha YZ400FL
2003 Honda XR400R
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