Can i use this engine oil on my 1997 gmc suburban?and would it help quite the lifter ticking?

This oil will not necessarily help your lifter ticking. Try a heavier weight oil or an oil specified for "high mileage" cars. Another thought: try STP oil additive. Also, I would be wary of how the high zinc content in this oil interacts with the catalytic converter.

YES...It says right on the front of the container SAE 10w-30.

What I found is 2100 ppm. I used it in my 71 350 sbc this year for the first time. Have always used a zinc additive so far so good. Good quality product as all lucas products are.

Jug on back says not recommended for cars with cat. converters. have a version with zinc for cars with cat. converters?

The reason it is not recomended is because zink can harm the catalyst if it comes in contact. Its not that its particualr to this product, any zink can harm the catalyst if it comes in contact, so they have to put a disclamer on the product.

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🛠️ Power your classic ride with Lucas Oil — where performance meets protection!

EXTENDED OIL LIFE - Go longer between oil changes without sacrificing engine health
METAL FATIGUE FIGHTER - Reduces wear and tear for engines that demand durability
WINTER STORAGE WARRIOR - Protects your engine during long inactivity periods, so it’s ready to roar
ENGINE COOL UNDER PRESSURE - Keeps oil temps down to boost performance and longevity
CLASSIC CARS BEST FRIEND - Formulated specifically for muscle, showroom, and trophy cars without catalytic converters

Lucas Oil 10679 10W-30 Petroleum Oil is a premium motor oil designed for muscle and classic cars without catalytic converters. It lowers oil temperature, minimizes metal fatigue, and contains high zinc levels to protect critical engine parts like flat tappet cams and lifters. Packaged in a 5-quart jug, it extends oil life and safeguards engines during long storage periods, making it the go-to choice for enthusiasts who demand reliability and peak performance.

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Viscosity	10W-30
Brand	Lucas Oil
Vehicle Service Type	Car
UPC	049807406790
Automotive Fit Type	Universal Fit
Global Trade Identification Number	00049807106799
Manufacturer	LUCAS OIL
Size	Pack of 1
Model	Lucas Oil 10679 Hot Rod & Classic Car SAE 10W-30 Motor Oil - 5 Quart
Product Dimensions	30.48 x 20.96 x 12.07 cm; 4.35 kg
Item model number	LUC10679
Manufacturer Part Number	40679
OEM Part Number	10679
Material	Metal
Colour	Gray
Assembly Required	No
Country of Origin	USA
Item Weight	4 kg 350 g

Lucas Oil 10679 10W-30 Petroleum Oil - 5 Quart Jug

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