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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Stanadyne Diesel Performance Formula - 64 OZ. by

Product ID: 705913903

Details

Brand
Stanadyne
Liquid volume
64 Fluid
Package information
Can
SAE J300 Viscosity Grade
5W-30
Vehicle service type
Truck

⚡Enhances horsepower for quicker acceleration

⛽Boosts fuel economy by up to 5%

🛠️Cleans and protects injectors for longer engine life

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Description

⛽ Power up your diesel, dominate the road, and never settle for less!

INJECTOR GUARDIAN - Keep your engine’s heart clean and protected for peak performance.
POWER SURGE FORMULA - Unlock hidden horsepower and feel the difference on the road.
RAPID START TECHNOLOGY - Experience faster, smoother startups even in the coldest conditions.
FUEL EFFICIENCY MAXIMIZER - Slash fuel costs with every mile—because every drop counts.
ULTRA LOW SULFUR COMPATIBLE - Future-proof your diesel with eco-friendly, advanced fuel compatibility.

Stanadyne Diesel Performance Formula (64 oz) is a universal-fit additive designed to improve fuel economy, increase horsepower, and ensure easier startups. It cleans and protects fuel injectors and other engine components while being fully compatible with ultra-low sulfur diesel fuels, making it an essential upgrade for truck owners seeking enhanced engine performance and longevity.

Specifications

ASIN	B000M5QPSY
Automotive Fit Type	Universal Fit
Best Sellers Rank	#78,838 in Automotive ( See Top 100 in Automotive ) #318 in Oil & Fluid Additives
Brand	Stanadyne
Brand Name	Stanadyne
Compatible with Vehicle Type	Truck
Container Type	Can
Liquid Volume	64 Fluid Ounces
Liquid volume	64 Fluid Ounces
Manufacturer	STANADYNE
Manufacturer Part Number	38566
Model Number	5
Number of Packs	1
Package information	Can
SAE J300 Viscosity Grade	5W-30
Size	64oz
UPC	753167924442 026508385661
Unit Count	1892.7 Milliliters
Vehicle service type	Truck

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$174.67

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

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