ZDDPlus Online Special

ZDDPlus Online Special

$47.05

“ZDDP” (zinc dialkyl dithiophosphate) is a surface modifier. It modifies bearing and journal surface characteristics to prevent metal-to-metal contact. Under the right conditions of heat and pressure, the zinc in the ZDDP actually plates over the contact surface and provides a sacrificial coating. As it breaks down, it dissipates back into the oil solution and remains in suspension until the right conditions arise and the process starts over again. This reduces the tendency of parts to scuff and gall under heavy-loaded boundary lubrication situations.

Product Description

What is ZDDP?

“ZDDP” (zinc dialkyl dithiophosphate) is a surface modifier. It modifies bearing and journal surface characteristics to prevent metal-to-metal contact. Under the right conditions of heat and pressure, the zinc in the ZDDP actually plates over the contact surface and provides a sacrificial coating. As it breaks down, it dissipates back into the oil solution and remains in suspension until the right conditions arise and the process starts over again. This reduces the tendency of parts to scuff and gall under heavy-loaded boundary lubrication situations.

It is a well known fact among engine rebuilders and mechanics, older engines especially performance engines prior to 1988, that have flat tappet setups require ZDDP. The additive is made up of Phosphorous, Sulfur, and Zinc. By using the proper amount of these three chemicals, it makes ZDDP. This additive has been the most effective extreme pressure additive found in quality motor oil for almost 70 years.Older cars with (flat tappet design) camshafts and lifters found in the high-performance engines definitely fit this category due to high velocities and accelerations required to open and close valves may times per second. This condition is also found in the piston wrist pins. In other words, this description clearly fits the characteristics of the older engines (1988 and earlier) notably the 3.8 SFI Turbo Buick engines.

Normal amounts of ZDDP was in the oil in 1988. The API grade SG oils was in excess of 0.12%. The API grade of oil prior to this was SF and had the concentrations in excess of 0.15%. Until recently it was possible to buy from GM a ZDDP additive.  This product is no longer available from GM.In recent years EPA has required new car automotive manufacturers to guarantee catalytic converters for over 100,000 miles. The use of the additive ZDDP would most likely void new car warranties. Newer cars have roller rocker assemblies do not need ZDDP in the motor oil for protection. Two main reasons the percentages of ZDDP have gradually decreased as each new oil category has been introduced.

The perfect solution is the new product, ZDDPIusTM. It is now ready for the marketplace in a handy 4-ounce bottle with the proper concentration of ZDDP to bring the current SM oil category back to SF specifications for EP (extreme pressure).We have it available in a four ounce bottle. In each bottle is the proper amount of ZDDP which is 2.2 ounces, the balance of the bottle, 1.8 ounces is regular motor oil. This concentration of ZDDPIus in the 4-ounce bottle will properly treat any four or five quart oil capacity providing the engine protection you need. This makes it match what was originally in the motor oil available in 1988 (SF category). It will work with any motor oil you are currently using including the synthetics. It is a sacrificial additive meaning in the process of it working, it is depleted. It should last the life on a normal oil change.

Additional Information

Weight 1 lbs
Dimensions 1 x 1 x 1 in

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