Fifth Avenue Internet Garage

Tech Tip Archives

Just like with anything...if you spend enough time doing it you tend to get good at it, and you learn a few shortcuts to make your life easier. Having spent twenty plus years solving electrical, cooling, and fuel related problems on all types of antique and classic vehicles, I have "earned" a few tech tips that I want to share with you. Check back often, as I will keep adding to the list as time allows. For more tech tips, check out the Tech Tip Archives.

Randy

Adding The Proper Amount Of Zinc Additive...

Each (16oz) bottle of Part # 10415ZA contains the following:
33.8 grams total ZDDP (zinc dialkyldithiophosphate)
17,000 ppm, 7.8 grams Phosphorus (P)
20,500 ppm, 9.4 grams Zinc (Zn)
16.6 grams Sulphur (S)

Anti-wear Protection Per Quart Using One Bottle (16oz.):

Oil capacity: Phosphorus: Zinc
10 quarts 915 ppm 1104 ppm
8 quarts   1145 ppm   1380 ppm
7 quarts   1307 ppm 1577 ppm
6 quarts   1525 ppm 1840 ppm
*5 quarts 1830 ppm   2208 ppm
4 quarts 2288 ppm   2760 ppm
1 quart 9160 ppm 11040 ppm

*(Recommended for engine break-in)

Anti-wear Protection Per Quart Using Half Bottle (8oz.):

Oil capacity: Phosphorus: Zinc
*5 quarts 915 ppm 1104 ppm
4 quarts 1145 ppm 1380 ppm

*Read labels carefully, *Be sure the zinc replacement you buy has ALL of the original ingredients listed above.