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Author Topic:   Two stroke oil brand.
ryanwhaler posted 06-06-2003 10:22 PM ET (US)   Profile for ryanwhaler   Send Email to ryanwhaler  
I was just mixing gas with 2sk oil for my 15hp Mercury for the big day tomorow.

When I was doing this I got thinking,
Should I use the same brand of oil for the whole life of the outboard, or does it matter?

Thank you for any replys,

JBCornwell posted 06-06-2003 10:46 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
What in the world is 2sk oil, Ryan?

As long as you use TC-W3 for the life of the engine, and do not mix synthetic with petro oils you are in good shape.

Red sky at night. . .

where2 posted 06-07-2003 01:06 AM ET (US)     Profile for where2  Send Email to where2     
Difficult to judge. My oldest engine is only a 1967 2stroke. If you are basicly "cheap", as I am, you may only get 20 years out of your engine. I did a rebuild on the 1967 engine after it threw a rod running WOT in 1986 (I was 15, and the Zodiac saw alot of WOT)... It's in my garage now, and will start on the 5th pull or less, if I go attach it to a gas tank...

Ironically, my 4stroke lawn mower usually takes more pulls, and I only used it last week??? The 1967 outboard sat for 5 years before I last started it, and it ran on the 5th pull...

Jgstewart8 posted 12-25-2004 01:13 PM ET (US)     Profile for Jgstewart8  Send Email to Jgstewart8     
What oil should I run in my 75HP mercury - penzoil tcw3?
Joe Kriz posted 12-25-2004 03:31 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     

This thread is over a year and a half old...

There was a new thread on this which is still listed as of 12-9-2004. It was only a few posts down on todays list...

No need to bring up old threads that have died unless it is ground breaking new news... Just a helpful hint....

bigjohn1 posted 12-27-2004 07:40 AM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
Darn, how many times are we going to debate oil? I'm with Joe, let it die and pull up one of the previous threads.
Big John
nFL_Bosn69 posted 12-27-2004 01:21 PM ET (US)     Profile for nFL_Bosn69  Send Email to nFL_Bosn69     
Sorry guys, but I have to call foul on this one.

JKriz and Bigjohn1, you had no problem answering this question for Shiela a couple weeks ago, where as you should have maybe pointed her to this thread instead, as it was existing prior to the one that you two are referring Jgstewart8. It was my understanding that we we're to use existing threads on topics to ask related questions, if possible, and this is exactly what Jgstewart8 has done.

Conversely, do you think you would had given him a hard time, also, he he'd of just posted a completely new thread? I think you probably would have given him the exact same answer, so either way he would have been in the wrong.

Personally, I have no idea how Jgstewart8 came about using that particularly old thread as his question platform, but I was not aware of any statute of limitations on the amount of time required before a post is "dead" and no longer postable. I think if the moderator were to want that, he would add timed locks to threads.


Joe Kriz posted 12-27-2004 01:35 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     

You have some good points although from what I have seen, jimh prefers not digging up old post that went nowhere. He prefers new posts unless there is a current ongoing post on the same subject, which there is.

I don't understand why someone would go back a year and a half instead of just responding to the current on going thread that was only a few days old. Apparently jg just missed it and thats why I pointed it out to him as a helpful hint.. If he would have started a new thread, I would have also pointed him towards Shiela's.. It seems more people responded to Shiela's then any other post on the subject that I could find...

I am only trying to follow what jimh suggests and I was trying to point this out. Of course, anyone can do what they want to do... jimh calls the ball...


nFL_Bosn69 posted 12-27-2004 02:03 PM ET (US)     Profile for nFL_Bosn69  Send Email to nFL_Bosn69     

Thanks for the clarification. I also see you guy's points on the matter, it just seems like a bit of a catch-22.

WSTEFFENS posted 12-27-2004 02:41 PM ET (US)     Profile for WSTEFFENS  Send Email to WSTEFFENS     

Question, I am not a chemest.

In an earlier post I beleve by Mr. Cornwell, it was stated that you should not mix syn oil with mineral (conventional crude base) product. Although the guy in the back yard (you and me) are not refiners, the refiners regualrally make "para-synseythic" (sorry for the spelling) oils all the time, a mix of syn and minneral. If it is TC-W3, what is the difference? From OMC school (circa '90) "house" oils were made by major refiners, Exxon, Shell, Penziol, etc. Blended to the mfg spec's. Most at that time (house-OMC, Quick Silver, Yamlube, etc.) were para-syn products. This produced low ash and lower accumulations of carbon on the transfer ports and was less expensive than pure syn lube.

Also what is the signifficance of the "Dye"?. Some oils are blue and others are pink. It must be an indicator for something. My guess is that "pink" is syn and "blue" is minneral.

Just throwing it out to see what floats to the top!

Thanks for the information.



bigjohn1 posted 12-28-2004 08:00 AM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
nfl, If I came off as giving Jg a hard time, that was not my intent. Rather, it was due to just going over this in Shelia's very recent thread on oils. Aside from her post, the merits of various oils have been discussed on numerous different threads in my relatively brief time as a member of this forum. I do see your point about not hammering a person just because they ask a repetitive question. Heck, I didn't even know how to properly use the search function on the forum until after about 6 months. No harm, no foul.
Big John
jimh posted 12-28-2004 09:09 AM ET (US)     Profile for jimh  Send Email to jimh     
Please start a new thread to begin discussion on different aspects of two-stroke oil. This thread is more than a year old, so the dating of posts become incorrect.

On the topic of two-stroke oil there is generally very little authoritative information, but plenty of speculation.

[Thread closed.]

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