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-   -   Open discussion on using TC-W3 oil as an additive (

mcrews 12-05-2012 02:33 PM

Open discussion on using TC-W3 oil as an additive
Starting a new thread from another additive thread.
THis thread will specificlly address TC-W3. Please don't bring up other additives. Simply start another thread.

Several other posters have presented a lot of information on this item.

Originally Posted by Prophecy99

Best Additive for Your Car? Pennzoil Marine 2 Stroke Oil - Maxima Forums
LS1 forum:
Been testing

Pretty much it cleans out your engine and helps make up for the problems created from ethanol blended fuels. Over at the maxima forum guys are extremely critical and it actually appears to be generally accepted.

I didnt post a new thread because it's not %100 for mpg gains, but it sure can't hurt performance aka mpg.



I did a quick read on the LS1 forums - 51 pages - wow!

Quick check on BobIsTheOilGuy

Pennzoil TC-W3 Full Syn - WM - Bob Is The Oil Guy

I am not an additive evangelist or regular, but use them from time to time. Lucas UCL or Chevron Techron. Never store brand. But maybe only 3 or 4 times a year.

If I can find this Pennzoil synthetic TC-W 3 2 stroke marine oil locally, and find some sort of bottle laying around to give me accurate dosage, I will be part of your test fleet. I have no UG or SG yet, but I have OEM avg fuel econ, plus my calcs at every fill up.

My MPG is seeming to be steadier now - cold weather coming though. But, I will add data FWIW to your new thread if you set one up.


Ok let's get started!

Beau 12-05-2012 02:50 PM

As a result of reading the LS1 forum several months ago (approx. 6), approx. 5 months ago I started using 1 oz of Walmart TC-W3 for each 5 gallons gasoline. At about the same time, I also increased the tire pressure to the maximum listed on the sidewall of my tires, and started using some of the coasting and brake-avoiding concepts on this website (ecomodder). The combination of those things has increased my MPG by 19.52%.

As to the TC-W3, my engine runs more smoothly; and this was a very smooth engine to begin with (2006 Infinity G35).

I intend to keep using TC-W3 unless/until there is a reason not to.

mcrews 12-05-2012 02:57 PM

beau, is that G35 a auto or 6speed?

roosterk0031 12-05-2012 03:07 PM

I'll give it a try, will go with super tech brand, need some for the 2-strokes anyway. Most of the 2 stroke oils have fuel stabilizers build into them already so good to add to all the gas that may set in the garage a while.

EDIT: I'll put it in Pen's Impala as well for a blind test, comparing FE this year to same time last year. Different tires ect.. on other cars for a year to year comparison.

Beau 12-05-2012 03:10 PM


Originally Posted by mcrews (Post 343710)
beau, is that G35 a auto or 6speed?

6 speed. I love this car. I bought it in December 2007 after someone turned it in after a 1 year exec lease. Then it had 12,800 miles; now it has 56,000 miles.

WesternStarSCR 12-05-2012 03:12 PM

Thanks for starting this.

OK, my starting point will be January 1st, 2013

I am gonna run my Lucas UCL in wife's Chrysler T&C van and my Maxx for December, to get rid of it. I will use empty Lucas bottle for measure and dispense of TC-W 3.

Car #1:
Tink's Van is a 2008 T&C with 3.8. V6, about 60k miles.

She does not hypermile, thinks my pizza pans on my wheels are bizarre, and generally will be a blind subject. I will offer to fill her gas for her starting Jan. 1. (Christmas present I will say) ;)

With her driving style, this eliminates any eco friendly driving techniques to account for any change in MPG. It will take a while to get a trend line, due to her style, and the weather in Detroit. I keep Full Synthetic 5W-30 in the van, and it eats oil, I guess this engine is known for it. Eats front brakes too. Her driving style mixed with undersized rotors.

So I will keep tabs on mileage and oil consumption on the van, using the 1 oz to 5 gallon ratio.

Car #2:
Blue Maxx will get same treatment. Results may be skewed (hopefully for more MPG) when I put on Pizza Pan wheels on prior to the New Year.

I will not be doing any planned, out of the way, testing for this. If I do any testing, maybe it will be for coastdown after the pizza pan wheels are done and I have good weather.

But my goal is to attempt to see if we do this to a blind, non-involved, typical driver that has mostly city driving to work and shuttling kids around, and we have a long enough trend line to smooth it out, will we see something of an improvement?

Blue Maxx hopefully will take the treatment good also. Although with pizza pans, and me asking for an Ultra Gauge for Christmas, starting the TC-W 3 should only help, even if it flaws my testing a bit, by combining mods at the same time? Oh well.

My wife's numbers will be the one I am most curious about...

mcrews 12-05-2012 04:15 PM

I will start on the Kia after my tires arrive this week.
I want to run the one size up tires for a week or so to get a full tank test.

My tanks are pretty predictable. I commute 28 miles each way and it takes about 50 minutes each way. then drive about 20-50 miles on the weekend.

oil pan 4 12-05-2012 04:17 PM

Ok whats the mixture we are testing?

mcrews 12-05-2012 04:39 PM

seem that from the other links 1 oz to 5 gals is optimal

Beau 12-05-2012 07:01 PM


Originally Posted by oil pan 4 (Post 343724)
Ok whats the mixture we are testing?

Although I donít recall what the ratio is for diesel, I have read several diesel forums in which users use TC-W3 as a lubricant to increase lubricity of low sulfur diesel fuel. Just an FYI.

There was one study which assessed lubricity affect in diesel fuel. This study used standardized testing and TC-W3 faired very well, whereas MMO actually reduced lubricity in those tests.

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