There are several advantages of having a zinc oil additive for older engine. In the following post, we will help you to select the best zinc oil additive for older engines.

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Our Top Picks:

Best Overall: Buy: Lucas Oil Zinc Oil Additive For Older Engine READ REVIEW

Best For Lifter Tick: Buy: Lucas Oil Petroleum Product READ REVIEW

Best For Fuel Economy: Buy: Hyper Lube By Rislone Zinc Oil Additive For Older Engine READ REVIEW

Best For Hot Rods: Buy: Rev X Oil Additive READ REVIEW

Best For Any Ic Engine: Buy: Liqui Moly Zinc Oil Additive For Older Engine READ REVIEW

Best With High Octane Race Fuel: Buy: Comp Cams Zinc Oil Additive For Older Engine READ REVIEW

Best For Non Roller Rocker Arms: Buy: Zddplus Zinc Oil Additive For Older Engine READ REVIEW

Best For Manual Transmissions: Buy: Rev X Zinc Oil Additive For Older Engine READ REVIEW

Best For Gas Mileage: Buy: Hy-Per Lube Zinc Oil Additive For Older Engine READ REVIEW

Best For Use: Buy: Zddplus Good Product READ REVIEW

Best For Synthetic Oils: Buy: Mpt Zinc Oil Additive For Older Engine READ REVIEW

Best Overall: Lucas Oil Zinc Oil Additive For Older Engine

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in an additive. The Lucas Oil Zinc Oil Additive For Older Engines is exactly that - it's a simple additive that hits all the right notes. The luca oil zinc oil additive for older engines is good for good oil and it has start up noise. Make sure this fits by entering your model number. Further, it comes with great stuff and it can ask for good quality.

Most importantly, the lucas oil zinc oil additive for older engines is perfect for classic cars, is used for great products and it is good for good oil pressure.

Most buyers opine that the additive is specifically blended with additives that meet requirements for older "hot rod" applications. Moreover, a few say that the additive is not like motor honey or something like that that's going to increase compression or stop a noisy valve train if that's what you are referring to. In addition, they say that the additive is great for any internal combustion engine as it has zinc and other additives that help prevent engine wear. To sum up, for most customers, it was most suitable.

• This is good in vintage motors with flat tappet cams.
• This improves pressure in worn engines.
• This is made for older engines. it would work better.
• This is a well known fact among engine builders.

Best For Lifter Tick: Lucas Oil Petroleum Product

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The Lucas Oil Petroleum Product might be a relatively new release, but it's still nothing short of impressive this year. The lucas oil petroleum product has a good motor assembly lube, has a quiet engine and it is used for day - use vehicles. Use luca oil stabilizer in gear oil to stop leaks, reduce operating temperatures and increase the life of the gear oil. Moreover, this is a 100% petroleum product formulated to eliminate dry starts and reduce friction, heat and wear in any type of engine.

The additive is great for gas mileage and it does the job. In addition, the additive is good for good oil, is used for great products and it can ask for good quality. Lastly, the lucas oil petroleum product allows motor oils a higher degree of lubricity which reduces oil consumption and operating temperatures.

Almost all buyers found that the additive is good for preventative maintenance in older vehicles. Also, a few strongly agree that the additive is good for engines with a lot of miles. Overall, many have used the lucas oil petroleum product for more than a few months without letup, and it shows no sign of giving up.

• It is a lot cheaper to buy from Amazon.
• It virtually eliminates dry starts and excessive wear.
• For use in any engine, gasoline or diesel.
• This is priced 3 to $5 lower than at an auto parts store.

Best For Fuel Economy: Hyper Lube By Rislone Zinc Oil Additive For Older Engine

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The Hyper Lube By Rislone Zinc Oil Additive For Older Engines is capable of outshining several other additives featured in this list in overall features for the price point. The hyper lube by rislone zinc oil additive for older engines is made for worth the money and it can be trusted for good quality. The Manufacturer says: We have continued to evolve alongside the industry’s automotive technological changes in order to provide our customers with performance products for their vehicles. Further, this provides great value and it is for gasoline engines.

Most importantly, the hyper lube by rislone zinc oil additive for older engines reduces piston scuffing to add to that, reduces friction and wear, especially at start-up, helping to eliminate dry starts.

Almost all customers opine that the additive is a good price for zddp additive. In addition, they say that the additive is designed for flat tappet four stroke engines, so if that describes your ATV engine, then yes. Further, a few strongly agree that the additive will shorten the warranty life of these components by about 15k miles. In short, at the price, they believe that they got a steal of a deal with it.

• This is a must add to the crankcase.
• This runs great and it works with part number.
• This comes with great stuff, does for fuel economy and it has added one bottle.
• We will come up with something for new vehicles soon.

Best For Hot Rods: Rev X Oil Additive

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The Rev X Oil Additive is capable of outshining several other additives featured in this list in overall features for the price point. The rev x oil additive comes with over 10 years of experience in the additive industry and over 40 years in the racing industry. Make sure this fits by entering your model number. With zinc, these areas will be treated with a sacrificial layer, preventing more wear than is needed to break the engine in.

The additive is also the protective additive necessary to protect older vintage engines that were produced when zinc was the primary additive used to provide the last measure of protection against catastrophic failure. Moreover, this is great for hot rods and it costs 6 quarts. Finally, the rev x oil additive can be used in relation to engine oil for the ideal amount of protection.

Almost all buyers found that the additive is used to be present in oil. Moreover, they say that the additive is likely there is already a residual amount in the motor. Further, they say that the additive will flatten the lobes over time, even after a break-in. Overall, for almost all buyers, Rev X product was the most suitable.

• Protects flat tappet camshafts (hydraulic or solid).
• This will set off the engine code.
• This is great with great stuff and it does the job.
• This is for push rod engines to reduce wear.

Best For Any Ic Engine: Liqui Moly Zinc Oil Additive For Older Engine

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The Liqui Moly Zinc Oil Additive For Older Engines is capable of outshining several other additives featured in this list in overall features for the price point. The liqui moly zinc oil additive for older engines is very quiet, is good for gas mileage and it helps quiet engines. The Manufacturer says: We are one of the few full - range brands in the world and offer more than 4, 000 products from our one-stop shop. And, the additive is made by liqui moly, not just lying around.

The additive allows for less wear and it is best for new cars. Most importantly, the liqui moly zinc oiladditive forolder engines is great for fuel additives, is for small engines and it is good for good oil.

Most customers opine that the additive reduces friction and tolerates high loads, in certain situations. And, they strongly agree that the additive can be used in any high - mileage engine. In addition, a few also found that the additive mos2 itself is added by the end user during oil changes. To sum up, buyers found this to be one of the best additives for daily purposes.

• This used to be a real p.i.t.a.
• This can be used in a honda civic si.
• This is great for peace of mind and it is made for big trucks.
• This reduces friction but it is not an engine cleaner.

Best With High Octane Race Fuel: Comp Cams Zinc Oil Additive For Older Engine

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The Comp Cams Zinc Oil Additive For Older Engine's material feels more premium than its price would suggest. The comp cams zinc oil additive for older engines protects all internal engine components, including both flat tappet and roller valve trains. Make sure this fits by entering your model number. Further, the additive is compatible with gasoline, methanol and high octane race fuel.

The additive is easy to use and it is made for good value. In addition, the additive includes the optimum amount of critical additives zddp (zinc & phosphorus), molybdenum, detergents and high grade base oil. Lastly, the comp cams zincoil additivefor older engines provides maximum engine life while also allowing it to reach its full performance potential.

Most buyers quickly discovered that the additive is great for a rebuilt or new classic engine with flat tappet lifters. Further, they also found that the additive is a good zddp additive for older engines, works very well. Also, they say that the additive is compatible with any petroleum, synthetic or blended motor oil.

• Requires no additives or supplements for maximum protection.
• The proprietary additive package includes optimum amounts of zddp (zinc and phosphorus), molybdenum and detergents.
• This changed oil and it is used for great products.

Best For Non Roller Rocker Arms: Zddplus Zinc Oil Additive For Older Engine

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Compared with other additives in this category, the Zddplus Zinc Oil Additive For Older Engines has a convenient design. The zddplus zinc oil additive for older engines is easy to use and it comes with great stuff. By adding a small 4 ounce bottle of it at every oil change, an adequate amount of zinc and phosphorus will continue to protect your engine. In addition, this is the only ep (extreme pressure) component which re-establishes the zddp levels that classic car engines were designed for, while allowing the car owner to use the base oil of their choice.

The additive is good for classic cars and it is good for vintage cars. Lastly, the zddplus zinc oil additive for older engines is compatible with conventional motor oils and it changes the oil.

Almost all customers quickly discovered that the additive is great for non roller rocker arms. Moreover, a few say that the additive is used to lubricate sliding metal to metal wear point in your engine. Also, they also found that the old engines needed the zinc additive as today ’s oil is detergent free.

• This does not matter what engine it is used in.
• This can be used in marine, motorcycle and tractor engines.
• This will certainly perform better than today’s oil.
• This is what is termed a flat tappet valve train and yeah it needs zddp.

Best For Manual Transmissions: Rev X Zinc Oil Additive For Older Engine

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Next on the list, we've got yet another additive that manages to win our hearts. It's the Rev X Zinc Oil Additive For Older Engines and it's widely considered as one of the most convenient additives you can buy. The rev x zinc oiladditive forolder engines is an American company located in Grand Rapids, Mi, who produces and manufacturers all of their products in the USA. Make sure this fits by entering your model number. With zinc, these areas will be treated with a sacrificial layer, preventing more wear than is needed to break the engine in.

The additive is great in manual transmissions, gear boxes, rear ends and any other type of oil lube where zinc is the primary ingredient to prevent metal to metal wear. Further, this has changed oil and it is best for fast service. Lastly, the rev x zincoil additivefor older engines comes with over 10 years of experience in the additive industry and over 40 years in the racing industry.

Most customers quickly discovered that the additive works in any motor oil. Moreover, a few say that the additive can be used in flat tappet cam applications for reduced wear on the cam and lifters. To sum up, for almost all customers, Rev X product was just what they wanted.

• This can be used in relation to engine oil for the ideal amount of protection.
• Works in both synthetic and standard mineral-based oils.
• This is starting to get concerning.
• This is made to condition new engines with flat tappets.

Best For Gas Mileage: Hy-Per Lube Zinc Oil Additive For Older Engine

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Not everyone likes to purchase additives for their regular usage, but the Hy-Per Lube Zinc Oil Additive For Older Engine would be an anomoly. The hy-per lube zinc oil additive for older engines is compatible with all motor oils, including synthetic. Hy-per lube zinc replacement additive will provide maximum wear protection for cams and lifters in flat tappet cam design engines. Moreover, the additive is great for gas mileage and it has changed oil.

Finally, the hy-per lube zinc oil additive for older engines is very quiet and it has quiet the engine.

Almost all buyers agree that the additive has no zinc needed to learn how to read. Furthermore, a few also found that the additive is great price on this must add additive. Also, they say that the additive is that the polymer particles could not be fine enough and clog a component. With no doubts, this additive passed the test and had very satisfied buyers eager to share their experience.

• The amount used is 1 oz of additive per qt of engine oil.
• This reduces cold start wear after long periods of shut down.
• This is a zinc replacement and a very good one at that.
• Maintains a strong oil film at high temperatures.

Best For Use: Zddplus Good Product

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The Zddplus Good Product should be able to handle its purposes and duties with ease. The zddplus good product is designed for use with synthetic and it is made for quick delivery. Make sure this fits by entering your model number. Moreover, the additive is compatible with all conventional and synthetic oils intended for automotive use.

Lastly, the zddplus good product is an oil supplement that contains very high concentrations of the well-known additive zddp (zinc dialkyl dithiophosphate), which has been the primary ep (extreme pressure) ingredient in all quality motor oils for over 70 years.

Most buyers quickly discovered that the additive can be used in obdii and newer engines. Further, a few strongly agree that the additive is a good idea, and critical for breaking in newly-rebuilt older engines. In addition, they say that the additives are good for your 60s muscle cars.

• This is made for use in high-performance and it is perfect for classic cars.
• This restores the needed zinc to modern motor oil.
• Prevents premature cam and valve train failure.

Best For Synthetic Oils: Mpt Zinc Oil Additive For Older Engine

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The Mpt Zinc Oil Additive For Older Engine's superior materials makes sure that it ages well with use. The mpt zinc oil additive for older engines is good for peace of mind and it works well for especially during break-in. Make sure this fits by entering your model number. This essential additive has been greatly reduced in modern oil to lower emissions.

The additive is great with great stuff and it provides superior engine protection. Lastly, the mpt zinc oil additive for older engines is a quick and easy, reasonably priced solution to this potentially expensive repair problem.

Most customers opine that the additive will clog the catalytic converter. And, a few say that the additive can be used in a classic truck engine. Therefore, customers were very happy to recommend it to friends and would-be buyers.

• Not for use in passenger cars.
• Increase zddp levels to approximately 1000-1100 ppm, or American petroleum institute (api) sf levels.
• Protect your valuable old engine today.
• Industrial, off-road and racing applications only.