Do you put this in an empty tank and then add gas?

I had half a tank when I started. I poured in the treatment in and filled the tank. This is a great product.

Will this product work to restore the gasoline in a half full tank suburban tank of varnished gasoline 12-year-old gas?

I would say no...that old of fuel.best to drain and flush tank. Lucas has a fuel injection clean that does.butt I caution burning 12 yr old fuel.

I have a 2021 mustang & I'm using 89 octane it's new car and ford recomend's octane 93 is this good to use?

It won’t hurt, but is completely unnecessary in a new vehicle. If the car is running properly using 89 octane, putting in 93 is a waste of money and your mpg will go down.

I can use the big whole bottle?

Not for one tank of fuel. That would be a big waste of money. There is instructions on the side of the bottle that tell you how much to add per tank of fuel. And you only need to use this treatment every 10000 miles or so. So one bottle should last a while. Hope this is helpful.

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🚀 Unleash the Power Within Your Engine!

REVITALIZE YOUR RIDE - Transform your engine's performance with a single treatment!
USER FRIENDLY FORMULA - Just pour and go—effortless application for every 10,000 miles!
ENGINE SMOOTH OPERATOR - Say goodbye to rough idling and hello to seamless driving.
FUEL EFFICIENCY CHAMPION - Experience up to 7.9% better MPG for a wallet-friendly drive.
SCIENCE BACKED PERFORMANCE - Harness the power of P.E.A. technology for deep cleaning.

Hot Shot's Secret Gasoline Extreme is a concentrated fuel system cleaner designed to enhance gasoline engine performance. This 12 oz. additive cleans, lubricates, and protects critical engine components, boosting fuel economy by up to 7.9% and restoring engine power. Easy to use, it addresses common engine issues in one treatment, ensuring a smoother and more efficient driving experience.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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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.

€ 61.39

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Manufacturer	Lubrication Specialties, Inc.
Brand	Hot Shot's Secret
Model	Gasoline Extreme 12 Oz
Product Dimensions	8.89 x 5.08 x 22.86 cm; 358 g
Item model number	GE12Z
Exterior	Plastic
Manufacturer Part Number	GE12Z
Special Features	Concentrated
Item Weight	358 g

‎Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Injector Cleaner - Increases MPG & Restores Engine Performance

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