does it contain antigel

The performance does have a antigel the winter formula is for extreme cold weather

Is this compatable with def (diesel exhaust fluid) engines. i'm in ca and have a 2011 duromax.

Like other popular additives on the market, the use does not have any bearing on the use of DEF as the DEF is part of the "after combustion stage" of any modern pick-up truck diesel engine. Stanadyne additive is one of the better additives with regards to helping to keep the injectors lubricated during use which also helps to keep them clean and therefore greatly aides in cooling the injectors which are the 3 components of any good diesel fuel; Fuel for combustian-Lubrication of pumps & injectors-Cooling of Injectors, therefore, longer life expectancy! The idea of increasing the cetane rating might be true for some of the additives one can buy, but that is really not the reason to buy any diesel additive! DEF is injected after the combustion process and only used to help dissolve and burn out any particulate matter being emitted in the exhaust.

How often do you use it? Is every fill up ok?

Yes I use 6oz every fill up it is great for the engine and increases power

What is the dosing ratio of additive to diesel fuel?

.26 ounces per gallon of diesel.

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DIESEL PERFORMANCE FORMULA - 64 OZ.

Product ID: 298106283

Details

Brand
Stanadyne
Liquid Volume
64 Fluid
Manufacturer
0
Package Information
Bottle
UPC
753167924442

⚡Boosts horsepower

⛽Enhances fuel economy

🛡️Lubricates & protects engine

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KD 52.26

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Description

⚡ Drive stronger, go farther, and save smarter with Diesel Performance Formula!

POWER UP YOUR DRIVE - Unlock noticeable horsepower gains and feel the difference on every ride.
ENGINES BEST FRIEND - Advanced lubrication reduces wear and tear, extending engine life.
CLEAN PROTECT FORMULA - Cleans internal components while shielding against corrosion and deposits.
FUEL SMARTER NOT HARDER - Maximize your mileage with improved fuel efficiency that saves you money.
TRUSTED QUALITY BY STANADYNE - Backed by a 5-star rating, this 64 oz powerhouse is a must-have for diesel enthusiasts.

Stanadyne’s Diesel Performance Formula (64 oz) is a premium additive designed to boost horsepower, improve fuel economy, and provide superior lubrication and protection for diesel engines. Trusted by professionals and rated 5 stars, it cleans engine components while enhancing overall performance and longevity.

Specifications

ASIN	B000M5QPSY
Brand	Stanadyne
Brand Name	Stanadyne
Container Type	Bottle
Customer Reviews	5.0 out of 5 stars 1 Review
Liquid Volume	64 Fluid Ounces
Manufacturer	0
Manufacturer Part Number	38566
Model	5
Net Quantity	1892.7 Milliliters
Package Information	Bottle
UPC	753167924442 026508385661
Unit Count	1892.7 Milliliters

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