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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: 898
Anaheim, CA
zorobabel Offline
zorobabel  Offline

Joined: Jan 2011
Posts: 898
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 200k, Castrol GTX Synblend 5W-30, PL14459
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: 495
California
DGXR Offline
DGXR  Offline

Joined: Jan 2011
Posts: 495
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: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
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 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
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: 32,137
NY
demarpaint Offline
demarpaint  Offline

Joined: Jul 2005
Posts: 32,137
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: 3,207
Indiana
BobFout Offline
BobFout  Offline

Joined: Mar 2009
Posts: 3,207
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: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
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 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
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: 2,273
GA.
ChrisD46 Offline
ChrisD46  Offline

Joined: Sep 2010
Posts: 2,273
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: 1,381
Texas
wag123 Offline
wag123  Offline

Joined: Jun 2011
Posts: 1,381
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: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
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 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
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: 495
California
DGXR Offline
DGXR  Offline

Joined: Jan 2011
Posts: 495
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
Re: TC-W3 Oil add to fuel in vehicle [Re: wag123] #5052043
03/23/19 05:31 PM
03/23/19 05:31 PM
Joined: Sep 2010
Posts: 2,273
GA.
ChrisD46 Offline
ChrisD46  Offline

Joined: Sep 2010
Posts: 2,273
GA.
*I originally started with the 640:1 TC-W3 however my gas mileage went down by a couple MPG . I then started backing off of the TC-W3 until my gas mileage went above what I normally got by about 1 to 2 MPG . That ratio happened to be about 1280:1 ratio of TC-W3 to gas . Even though it is not the "standard" 640:1 ratio , I have to believe there is still a lubrication benefit to the fuel system, spark plugs , upper cylinder , etc.
Originally Posted by wag123
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.


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: StevieC] #5055347
03/27/19 07:32 AM
03/27/19 07:32 AM
Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
I saw an old thread where a member (Audijunkie ?) said to dose at 250:1 initially and then run at 500:1 on successive tanks so this is what I did to test it.

I got horrible fuel economy on the 250:1 and then backed it off to 500:1 and the fuel economy increases so far have been excellent. I'm reserving posting the numbers just yet because I want to repeat some of the same driving pattern to compare the tanks economy and zero in on the final dilution that works best for me, but right now it looks pretty amazing. I guess the key was overdosing at first and then dialing back.

To get to 500:1 I'm adding 5 1/2 (5.41) ounces to 20 gallons. But I added 11oz initially to get to the 250:1 for the initial dosing which supposedly wets down the system first and then dial it back to the best mileage numbers.

Why this seems to work is beyond me but one thing is for sure I'm not giving it up now. Talk about not being able to feel the engine running like the engine stalled at the lights when you come off the highway. crzy


Last edited by StevieC; 03/27/19 07:35 AM.

'18 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5056390
03/28/19 07:38 AM
03/28/19 07:38 AM
Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
Something I noticed yesterday, it's idling slower. It usually floats between 625-650 RPM normally and now it's idling at 550-600. I wouldn't have believed it but I verified it with my scangauge for the actual number. It didn't do this with the leaner ratio of TCW3, just with the 5 1/2oz added to 20 galllons (500:1). Mileage continues to get better still. I've tried to keep it as similar driving and similar speed on the highway as possible for accurate comparison.

Anyone with a PentaStar I would highly reccomend doing the 250:1 initially and then backing off to 500:1 thereafter. You will get horrible mileage out of the 250:1 tank.
I found it has taken a couple of tanks for the mileage gains to show up really well once using 500:1 but the improved idle happens as soon as you start the 500:1 ratio.

I'm using HP Injector TCW3 oil from Amsoil currently but plan to try Saber Pro and other shelf-brands to what is the cheapest that will give me these results.

I also have been monitoring my tailpipe and haven't seen any carbon rings. It's still clean.


Last edited by StevieC; 03/28/19 07:42 AM.

'18 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: TC-W3 Oil add to fuel in vehicle [Re: StevieC] #5056473
03/28/19 09:21 AM
03/28/19 09:21 AM
Joined: Dec 2002
Posts: 43,005
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 43,005
'Stralia
Just in case it gets too good, fit an overflow catch tank to your fuel filler.

When it starts generating it's own gas, you don't want to spill it.


If it's the truth....it can handle the pressure !!!
Re: TC-W3 Oil add to fuel in vehicle [Re: Shannow] #5056492
03/28/19 09:37 AM
03/28/19 09:37 AM
Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
StevieC Offline OP
StevieC  Offline OP

Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
Originally Posted by Shannow
Just in case it gets too good, fit an overflow catch tank to your fuel filler.

When it starts generating it's own gas, you don't want to spill it.

smirk2 Did I say it was generating fuel? No I said it improved economy. Maybe it atomizes better who knows but there is a definite increase and it's why I suggested others with a PentaStar give it a shot. Would I do that if I was B.S.ing?


'18 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
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