zddp, zddplus, zddpmax ?

[ken-renda]

What, if any, is the difference in zddp, zddplus, and zddpmax as far as use in a Studebaker 289 or Packard 352 that is already using, Valvoline vr1

[BobPalma]

Those are just different names for competing products that enhance ZDDP levels; nothing else.

If you are using Valvoline VR-1 Racing Oil, any ZDDP additive is overkill because VR-1 already has enough ZDDP in it right out of the bottle.

That's why I use it and that's why Jim Pepper uses it; it's readily available anywhere and often on sale...or at least you get credit for an "over $20 purchase" at Auto-Zone toward your Auto Zone Rewards. (That's a good free program if you haven't signed up, by the way. I've already earned -and spent- $160 in free merchandise from Auto Zone since the program began.) BP

[StudeRich]

ZDDPlus seems to be the most widely used additive and is available at Studebaker Vendors. I never heard of the other two, could be a regional thing. Redline also makes a good one.

If it were me, which it isn't! I would NOT use Valvoline VR1 Racing, as the additives are not designed for long term use and is not preferred for street driven or seldom driven Cars. It IS great to protect high revving engines for a few runs and then getting drained, we had an Oil Engineer here tell us that.

Also it is overkill to use both the ZDDP AND the high ZDDP VR1.

Just good Valvoline, Castrol, Quaker State etc. standard Oils 10-30, 20-50, or 30 Wt. depending on the climate with the ZDDPlus additive should be fine.

The other good option is to buy the special (expensive) Brad Penn Oil with the ZDDP already in it, from their own Pennsylvania wells and the old Kendall refinery.

None of the current Diesel Oils which all now have higher than CI-4 API rating are acceptable.

While correcting some spelling errors, I saw that Bob P. was typing his "almost" the same answer at exactly the same MINUTE that I was, though we do have a slightly different opinion on Oils, don't we ALL!

[silverhawk]

Now Rich, you mention the Brad Penn oil, and there use of the old Kendall place. Kendall offers a racing oil that I use, is it the same stuff?

[StudeRich]

No Dylan it is not.
I talked to the Tech./Engineer at the new Kendall Oil Co. which is now just another Exxon Division I think, or one of the other Big Oil Co's. oil with the Kendall name on it.
He did say their racing Oil has a bit higher ZDDP level, but could not say how much.
Kendall USED to be one the best Premium, high quality Pennsylvania Oils, but like everything now-days, has been bought out, and uses Foreign Oil Stock.

[silverhawk]

Gotcha, thanks!

[okc63avanti]

If it were me, which it isn't! I would NOT use Valvoline VR1 Racing, as the additives are not designed for long term use and is not preferred for street driven or seldom driven Cars. It IS great to protect high revving engines for a few runs and then getting drained, we had an Oil Engineer here tell us that.

StudeRich ... Your comment about not containing additives needed for long term use is WRONG. The version of Valvoline VR-1 sold at most FLAPS contain sufficient ZDDP and is rated API grade SM, which is the latest grade (covers previous grades) for all cars, light trucks and SUV's. The API grade SM VR-1 bottle is silver is color.

Your statement about not containing additives is only correct when referring to the non-street legal VR-1 Racing Speciality Oil. This oil comes in a black bottle.

[silverhawk]

What makes a oil non street legal?

[Bud]

Kendal is now a part of the Conoco -Phillips company. You can research the specs of their different oils by going to their website and clicking on the brand that interests you. Product data sheets are available for all of their products. The same information is available from the other companies too. According to the Chevron website, they still produce the Delo 400 15w-40 that has the high zinc and phosphorous content in it. It's listed as Delo 400 and not Delo 400 LE which is the lower additive version of the Delo oil. Bud

[63r2]

What about the Penrite Classic oil range.
They appear to be specifically blended for older cars and have a high zinc/phos content.
pb

[Werdegast]

Attention!

VR-1 comes in two forms............20W50 for 'everyday' use........and straight 50 W for race apps........the proper protective package is blended into the 20W50............i had many conversation with the tech gurus at Valvoline.......so that is how i know:-)

[jclary]

Attention!

VR-1 comes in two forms............20W50 for 'everyday' use........and straight 50 W for race apps........the proper protective package is blended into the 20W50............i had many conversation with the tech gurus at Valvoline.......so that is how i know:-)

Well...you are partly correct. It is available in those weights, but I am running straight VR-1 30WT in my '48 coupe. I also have a quart of straight VR-1 60WT that I picked up by mistake. Valvoline produces it in nearly all viscosities. I was about to pour the 60 wt in my engine and recognized the mistake in time. I have no idea of what the engine application would be for a 60 wt oil.

[PlainBrownR2]

What makes a oil non street legal?

I wouldn't imagine a whole lot of factors fall into that category. I've known a few from the import car chatrooms who built up engines and swore by Royal Purple, mainly because of the money thrown into putting high buck work, money, and sweat into the engine. I would probably say there may be a remote case where the car failed the smog inspection on using a performance oil, but I'd be pretty surprised if heard of that happening, as the oil is supposed to be better, as well as free up lost horsepower, than the regular oils that are used in regular street vehicles.

On that note, a better question would be, how much money do you want to sink into each oil change based on the brand and quality of oil you want to buy?

I'm now also a subscriber, well if I can afford to, of using VR1 in my own cars. The VR1 oil at NAPA isn't a whole lot more expensive than the Rotella I am using, and odds are a few dollars here may save a four figure pricetag for an engine rebuild later on......

[okc63avanti]

Attention!

VR-1 comes in two forms............20W50 for 'everyday' use........and straight 50 W for race apps........the proper protective package is blended into the 20W50............i had many conversation with the tech gurus at Valvoline.......so that is how i know:-)

They also have a 10W30 with proper protective package and ZDDP see attached specification sheet for the 20W50 and 10W30 viscosity oil.

http://www.valvoline.com/pdf/VR-1_Racing_Motor_Oil.pdf