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Old 03-31-2017, 04:46 AM
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Who else, other than myself, mixes TC-W3 marine 2 stroke oil in their automobile gasoline (1oz/5gal)? What have you noticed since you've been doing it?
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Old 03-31-2017, 04:50 AM
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Why???

With the amount of sensors in todays autos why would you?

John
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Old 03-31-2017, 04:51 AM
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I don't think introducing oil into the gas of a 4 stroke engine is a good thing to do, wouldn't it cause carbon build up on the head & valves? Turbo cars use a oil catch can to keep the oil out of the intake system and engine longevity.
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Old 03-31-2017, 04:52 AM
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x2 , why??
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Old 03-31-2017, 04:54 AM
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High detergent properties of tc-w3. Doesn't mess with sensors one bit. Cleans fuel injection systems, helps Lube cylinder walls (what old school performance guys use to call "top oil"). Smoother idle, Slight increase in fuel economy. I've seen about a 1.6 - 1.8 mpg increase over the period that I have been adding it (approx 30k miles)
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Old 03-31-2017, 05:02 AM
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its such a dilute mixture that it causes no issues and doesn't smoke. We're talking an almost 1:500 mix ratio.
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Old 03-31-2017, 05:06 AM
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I would think that using a quality brand name gas would have all the detergent & anti-ware additives you would need, if what you claim is true, the racing car industry would be doing it, does racing gas have lube oil in it, I do not know? I'm sure some of the people that race cars on the forum will have a better perspective on this.
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Old 03-31-2017, 05:09 AM
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I only do this when I have old (more than 2 weeks old 93) 50:1 mixed gas left over in the jug from riding dirt bikes and it's usually never more than a gallon.
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Old 03-31-2017, 05:21 AM
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I've heard of people using it in diesel to help lubricity...I do use Lucas upper cylinder lube in my gas vehicles (and diesel tractor), though. Not sure if I've noticed any difference other than slightly smoother idle (I think)
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Old 03-31-2017, 05:29 AM
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Probably no different from the Lucas upper cylinder lube. I'm sure it's cheaper the way I'm doing it. I've been using Penzoil XLF TC-W3 @ $18/gal from Wally World
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Old 03-31-2017, 05:34 AM
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Your question was "Who else, other than myself" I guess the answer is, nobody to next to nobody.
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Old 03-31-2017, 05:34 AM
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Originally Posted by PF-88 View Post
I don't think introducing oil into the gas of a 4 stroke engine is a good thing to do, wouldn't it cause carbon build up on the head & valves? Turbo cars use a oil catch can to keep the oil out of the intake system and engine longevity.
It has to be TC-W3, or yes, you prob would get carbon build up.
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Old 03-31-2017, 05:36 AM
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Originally Posted by Big Tiki View Post
Your question was "Who else, other than myself" I guess the answer is, nobody to next to nobody.
Do a little reading on the LS1 forums.
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Old 03-31-2017, 05:42 AM
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I remember in "the old days" when putting a little marvel mystery oil into a full tank was the thing to do.
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Old 03-31-2017, 10:47 AM
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A little "probably" won't hurt, but I have destroyed a Honda generator by running full strength mix. Carbon buildup --> stuck ring --> scored cylinder.
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Old 03-31-2017, 04:59 PM
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Originally Posted by Fish Haid View Post
A little "probably" won't hurt, but I have destroyed a Honda generator by running full strength mix. Carbon buildup --> stuck ring --> scored cylinder.
That'll do it!
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Old 04-01-2017, 04:24 AM
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April Fools!!!!!
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Old 04-01-2017, 05:25 AM
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Back in the day I'd add some Marvels occasionally.

No more though.
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Old 04-03-2017, 09:54 AM
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I had a second-gen RX-7 that I would add a pint of TC-W3 to each tank. If it sat for a few weeks the apex seals wouldn't seat well and compression would be low at starter speeds so it was hard/impossible to start. The additional 2-stroke oil definitely helped.
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Old 04-03-2017, 10:09 AM
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I've been doing that ever since I read that LS1 thread several years ago. TCW3 oil is much cheaper than buying any fuel additives. I've picked up about .75-1 mpg's and I could notice that the truck (f-150 w/4.6) was more responsive and had a smother acceleration. btw, I record my milage and amount of fuel it takes at every fill up.
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