what size can will i need for a 2.0 petrol engine that holds about 4.5 ltrs of oil

For a 2 litre engine with a 4.5 litre sump, you'd need two of these 250ml cans or one 400ml can. The recommended dosage is 250ml per litre of engine size. When people say 'it's not that good' that's most likely because they haven't used the correct amount for their size of engine.

does it stop engine knocks

Depends how you define " knock " . It certainly quietens tappet rattle . My sons' Ford Fiesta 1.4 TDCi sounded like a bag of nails and now is considerably better after changing to Castrol Magnatec A1 + plus Ametech Restore . I am not a mechanic but if the knock has serious implications, e.g. bearing failure , all I can say is , it would minimise any damage on a temporary basis . Having used it for years I know it " prolongs active life ". Sorry I can't be more specific . Have an experienced local mechanic listen to it .

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RESTORE Ametech Engine Restorer & Lubricant 250ml

Product ID: 49554658

Details

Brand
Restore
Liquid volume
1000 250
Package information
Tin
SAE J300 Viscosity Grade
30
Vehicle service type
Car Motorcycle

⛽Improves fuel economy and MPG

⚙️Restores cylinder compression up to near-new levels

🌫️Reduces blue smoke and harmful exhaust emissions

EC$247

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

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Description

⚡ Revive your engine’s power and efficiency — because your ride deserves a second wind!

ENGINE LONGEVITY SAVIOR - Slows oil consumption and smooths engine performance, delaying costly repairs
FUEL EFFICIENCY BOOSTER - Restores compression to improve MPG, saving you money at the pump
EXTENDED EMISSION CONTROL - Cuts blue smoke and exhaust emissions for up to 15,000 miles, helping you pass MOT tests
NASA GRADE REMETALLIZING TECH - Micro-particles of CSL (60% copper, 40% lead, silver trace) seal micro-leaks for engine revival
UNIVERSAL ENGINE COMPATIBILITY - Works seamlessly with petrol, diesel, LPG, cars, and motorcycles up to 1.0L

RESTORE Ametech Engine Restorer & Lubricant is a 250ml high-performance SAE-30 oil additive infused with NASA-developed CSL micro-particles that restore cylinder compression, reduce oil consumption, and cut blue smoke emissions. Compatible with petrol, diesel, and LPG engines up to 1.0L, it enhances fuel economy and helps prevent MOT emission failures, delivering near-new engine performance for up to 15,000 miles.

Specifications

ASIN	B005BCB0DS
Automotive Fit Type	Universal Fit
Best Sellers Rank	145,763 in Automotive ( See Top 100 in Automotive ) 139 in Engine Oil Additives
Brand Name	Restore
Compatible with Vehicle Type	Car, Motorcycle
Container Type	Tin
Customer Reviews	3.8 3.8 out of 5 stars (109)
Global Trade Identification Number	05411910040645
Item Weight	281 g
Liquid Volume	1000 Millilitres, 250 Millilitres
Manufacturer	Restore
Manufacturer Part Number	540064
Model Number	540064
Number of Packs	1
SAE J300 Viscosity Grade	30
Size	250 milliliters
Unit Count	250.0 millilitre
Viscosity Level	Medium

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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EC$247

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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