I have 90 in my area will I need a full bottle to make 93 or half with 18gallon tank?

one bottle treat will 18 gallons or if you want to be precise one ounce per gallon of unleaded fuel. I use this in my Shelby SC Cobra 427. If you are just trying to bump up the rating I would find 93 fuel as it can get expensive to use at each fill up. I run only 93 NON ethanol gas and use it at each tank refill but then my car is primarily a show car. Hope this helps.

Is there a mixing chart for this stuff? Does more product mean higher octane numbers?

I don't know of a mixing chart and the octane level would have to increase more product. If I were you I'd contact Royal Purple. I'm sure they could answer your questions.

Can I mix this with 93 octane pump gas?

My 92 Volvo requires 93 octane. I got water in high test so decided to use regular gas and add booster. Very happy with the result as plenty of power.

Royal Purple 11757 Max Boost Octane Boost Case 16 Fl

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

⚡ Unlock your engine’s hidden power and leave the competition in the dust!

FUEL ECONOMY REVAMP - Experience up to 15% better mileage—save money while driving stronger.
PING KNOCK ELIMINATOR - Say goodbye to engine knocking and pre-ignition for smoother, safer rides.
RACE READY OCTANE SURGE - Elevate your fuel’s octane rating by up to 30 points for peak engine performance.
EMISSION FRIENDLY FORMULA - Cut down harmful emissions and keep your engine cleaner with advanced stabilization.
PRO GRADE PERFORMANCE BOOST - Trusted by enthusiasts and pros alike to transform everyday drives into thrilling experiences.

Royal Purple Max Boost is a high-performance octane booster and fuel stabilizer that raises gasoline octane by up to 30 points, reduces engine knocking, improves throttle response, and enhances fuel economy by up to 15%. Formulated with MMT, it also lowers emissions and stabilizes fuel, making it the go-to additive for drivers seeking race-level performance and efficiency in everyday driving.

Specifications

ASIN	B072K4S96B
Best Sellers Rank	#75,896 in Automotive ( See Top 100 in Automotive ) #307 in Oil & Fluid Additives
Brand	Royal Purple
Customer Reviews	4.8 4.8 out of 5 stars (250)
Date First Available	24 June 2025
Item Weight	2.29 Kilograms
Item model number	11757
Manufacturer	Royal Purple
Manufacturer Part Number	11757
Model	11757
Product Dimensions	23.37 x 18.03 x 16.51 cm; 2.29 kg

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Royal Purple 11757 Max Boost Octane Boost Case, 16 fl. oz (6 Pack)

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