TOPIC:

for a poor scientist I sure like to throw the dollaz around! lol

btw, this lucas stuff smells yummy lol

I think that at that concentration it might cause some problems. No, mixing viscosities will not hurt anything. People have been doing it since the beginning of time. By the way the smell reminds me of when i was stationed in the Philippines, and the smell of a "Balut" (Google it) By the way Wikipedia states that they are boiled. They are not. They are buried in the sand first thing in the morning and than retrieved about noon. YUM

that's gross...

My sister in law was there a few weeks ago, said they were eating them raw....why isn't there a puking emoticon?

Like I said, they are cooked by the sun, they are not actually raw. If that makes a difference.

T_Dub wrote:

My sister in law was there a few weeks ago, said they were eating them raw....why isn't there a puking emoticon?

The closest we have!



Good Fortune!

Couple things to consider about ZDDP and new engines versus old. I'm rebuilding a ford 292 y-block right now to stock specs. the spec for spring seat pressure is 65-75 pounds according to prosis. Multiply that by the 1.54:1 ratio rockers and you have 100-115 pounds being applied to the stock cam. Its brand new, and it has a taper on the face of the cam to spin the tappet when it contacts it off center. it's critical to keep this taper or you'll blast apart the lifters. With that much pressure... I think I'll put some added ZDDP in there. Now imagine if I added a High performance cam with more lift?? or wider valves?? Or higher ratio rockers. A chevy small block could easily have 2.08 intakes and 1.6:1 rockers. I'm assuming you'd have to run 100 or more pounds of seat pressure to hang onto that heaiver valve. This same concept aplies to our bikes without the rocker arms coming into play. as a valve gets wider it gets heavier as an exponent. meaning much higher valve spring pressures.

I do have a question though. If ZDDP reduces friction why isn't it making clutches slip? I've always heard you have to bewar of certain synths because of anti-friction additives. So what gives??

Because ZDDP dose not make the oil slicker. It provides a sacrificial layer of Zinc. When it gets embedded into the clutch plates it dose not act like Moly or PTFE which are lubricants.

otakar wrote:

With the whole bottle you are at almost 7000ppm What I would do is to drain about 2 Quarts off and add 2 quarts of the junkiest ($0.99) oil you can find. And save the two quarts you remove for the next oil change. If you don't want to pull the oil drain plug than just siphon it out of the fill plug. Make sure that when you remove the 2 quarts that you mix it with 2qts of the same junk oil.

According to the tech people at Joe Gibbs, they don't want any more ZDDP added to their oil. Seems it's possile to overdue it.

This shouldn't be viewed as one of those situations where if a little is enough, then a whole bunch more has got to be better... Guys do that enough with cams and carbs

Now don't misunderstand me on this. I'm with you on the zinc being important for these old motors, especially for cam / lifter lubrication.

As has been pointed out, the new car motors valve actuation are roller assembly in one form or another. That's a big friction reduction in iteself.

The bikes & atv motors are most all 4 valve arrangements, another advantage for the cam lobes.

Top that off with the fact that the OEM camshafts are not aggressive and you can get away with oils that the older engines can suffer from.

Here's the bottom line and it reall ALL comes down to this simple fact. When a guys has a camshaft and buckets that are trashed, from whatever the cause, the first thing they want to do is point a finger at somebody.

Afterall, they laid down a big chunk of money for them and the warranty, at best is a new set at maybe 1/2 price.

Don't let anybody bullshit you. Aftermarket cams can fail, buckets can fail and there are times when everything was setup properly spring wise and lubrication wise...

I've seen this happen to so many people it's not funny. It's happened to me as well.

What I've never, ever seen is any failure of an OEM camshaft from using any oil, modern w/o ZDDP or with it. That can be reflective of two things.

1 - The non aggressive action of an OEM camshaft.
2 - The quality of the cores used by the OEMs

I'm not saying you're wrong with your home brewed oil. What I am saying is it's wise to have a disclaimer....a "use at your own risk" statement to go with the chemistry....

Carry on with the debate

I don't even know how many years it has been since I have been mixing my own oil, but until now ZDDP was never a consideration. I have always been mixing 3qts of oil with 16oz Rislone@ engine treatment and 16oz Lucas oil stabilizer. When I pulled my engine apart last time it was spotless on the inside. There was No measurable ware on pistons or cam lobes. at 60,000 miles. I even reused my cam bearings. Now this blend will also include 3oz of Lucas ZDDP additive. also about eleven years ago I switched from mineral oil to synthetic oil. All this was with standard good grade automotive oil. I used Castrol Syntec@ and about four years ago I switched to Super Tech Synthetic.

I've been expecting this guy to show up