Tcw3 as upper cylinder lubricant?

[JHZR2]

Isn't zddp supposed to be good?

When burned in an engine??!? Not serious, are you?

Wouldn't high dosage cause hydro lock?

what exactly are you trying to do? Do you read the dose rates? Have you ever seen 2-cycle oil blended in gas? They’re miscible at reasonable rates.

I believe there is benefit in providing more lubricity esp for the upper piston rings. I read of a post by a mechanic that adding TCW3 consistently raised compression ratio by 5 psi in his measurements. Small, but detectable. But is it significant? IDK. Also I believe it improves E10 gas like Stabil does, by lessening ethanol's negative effects like corrosion, gumming, and fuel breakdown, preventing deposits, and keeping fuel fresh for longer.

That has been the theory in discussing and doing this by folks on this board over the last 25 years.

Better lubricity, better sealing, marginal compression increase, a bit of libricity for fuel system components, and some intrinsic stabilization of the fuel.

. if anything it should reduce lspi a touch. it does run slightly cooler

How are you substantiating these comments, or is it just speculation?

 

[slybunda]

Would tcw3 lubricate the fuel pump?
Also wouldn't using standard mineral tcw3 be bad Vs synthetic?

 

[ChrisD46]

I have read as long as the oil is a certified TCW-3 oil you are good . Conversely , Super Tech Conventional TCW-3 oil smells of a strong chemical solvent while Quick Silver semi-synthetic TCW- 3 has zero smell .

 

[oil_for_my_doo]

I heard of 2 stroke oil being used for fuel system protection (carb, efi, mech fuel injection) on gasoline vehicles by classic car enthusiasts. Not sure at what ratio though. 250:1? 400:1?

 

[2heeldrive]

I've been running TCW-3 2 stroke oil (Pennzoil Marine) in my 5.3L Silverado for about 60,000 miles. 1oz/ 5 gallons of fuel. Makes the direct injection fuel pump very quiet.

 

[4wd]

640:1 is a bit light but even then the injectors quieted some. I do about 350-400:1 most of the time. Noticeable feel in smoothness and the engine is a bit quieter as well as the gdi injectors being much quieter on my 21. In my old port injected trucks the old factory injectors seem to have quieted a bit but those aren't loud by nature. Tcw3 has such a low saps it won't hurt the o2 sensors or cats unless both were already on the verge of throwing a code by being so caked up from your existing oil consumption. But if it's not burning or at least much it's fine.

I’m doing ~450:1 for convenience using the small bottle I refill and carry - does 4 tanks. Pennzoil Premium Plus TCW3.

 

[panthermike]

I have read as long as the oil is a certified TCW-3 oil you are good . Conversely , Super Tech Conventional TCW-3 oil smells of a strong chemical solvent while Quick Silver semi-synthetic TCW- 3 has zero smell .

I got some Supertech and don't recall a smell. Is there a synthetic version? I'll have to double check to see if it has a strong odor.

 

[ChrisD46]

I got some Supertech and don't recall a smell. Is there a synthetic version? I'll have to double check to see if it has a strong odor.

The Super Tech blue bottle TCW-3 reeked of a strong solvent / chemical smell . Super Tech does not make a synthetic TCW-3 oil.

 

[panthermike]

The Super Tech blue bottle TCW-3 reeked of a strong solvent / chemical smell . Super Tech does not make a synthetic TCW-3 oil.

I'll try a different brand then

 

[ChrisD46]

I'll try a different brand then

The Quick Silver semi synthetic is a good TC-W3 and dors not have a smell at all .