[T3] ZDDP...again

Bryon Garvin spinningrooves at gmail.com
Sun May 22 11:00:49 PDT 2011


Jim,

is this the product you bought ?

http://www.lucasoil.com/products/display_products.sd?iid=82&catid=9&loc=show&headTitle=%20-%20Engine%20Break-In%20Oil%20Additive%20-%20TB%20Zinc%20Plus

 - Bryon

On Tue, May 17, 2011 at 11:40 AM, Jim Adney <jadney at vwtype3.org> wrote:

> I went and bought a bottle of the Lucas product: $14 for a 16 oz
> bottle.
>
> It's called:
>
> "Engine Break-In Oil Additive
> TB Zinc-Plus"
>
> On the front it says:
>
> "Designed specifically for racing applications
>
> Protects flat tappet camshaft and valve train during break-in period
> of motor
>
> Exclusive blend of extreme pressure additives to enhance protection
> in any motor oil, conventional or synthetic."
>
> On the back it says:
>
> "Directions: Add 1 full bottle to engine along with regular oil
> capacity of engine. After approximately 1,000 miles, drain engine and
> refill your engine with proper amount of oil.
>
> For maximum protection use after every rebuild
>
> NOT recommended for use in passengers cars requiring API SG, SJ, SL,
> SM and post 1994 vehicles. May cause damage to catalytic converters."
>
> I opened the bottle and poured a few ozs. into one of my VW. The
> stuff looks just like greenish engine oil and has no particular smell
> that I could tell.
>
> I think what I would tend to do would be to add about 1/3 of a bottle
> to every other oil change and just leave it in there. I googled it
> and found the info on the Lucas web site. There they say it's good as
> an additive as well as for break-in, but they also say that it's
> amber/brown in color and that 1 bottle into 4.5 qts of oil will bring
> the zinc content up to 5000 ppm.
>
> The web info also says "not for passenger car use" but fails to
> mention not to use it with catalytic converters or in cars that
> require API SG or later oil.
>
> Reading some other stuff on the web, I find that people warn against
> too much zinc, which must be the reason Lucas says to drain this out
> after breakin. OTOH, it appears that 2 Oz of this additive per 2.5 qt
> oil change, would give just about the right amount of zinc.
>
> That's just about what I added to my '73, so I'll leave it at that.
> That also makes this additive quite economical.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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