Will these work with the orange Dexcool antifreeze?

My mechanic said not to put anything into the anti-freeze. I will never use that orange stuff in my 1994 Cadillac 4.9 Deville. If you have the 4.6 North Star, that may be different story. GM tried to promote these tablets to cure a bad leaky North-Star motor. Jeff.

Is this product preventative ?

Yes, this was actually put into aluminum block engines from the factory because of the porosity. It does an incredible job stopping leaks and preventing leaks.

what is a ladder frame?

A ladder frame uses an additional block structure located between the cylinder block and oil pan, which incorporates the main bearing caps into a one piece component resembling a ladder, sometimes called a girdle.Feb 6, 2018

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🔩 Seal the Deal with ACDelco!

INSTANT APPLICATION - Apply and torque bolts immediately, even in the presence of oil or coolant.
SEAL WITH CONFIDENCE - Engineered for a variety of engine components, ensuring a reliable seal every time.
OEM QUALITY ASSURANCE - Manufactured by ACDelco, a trusted name in automotive parts.
HIGH VISCOSITY FORMULA - Cures effectively when exposed to air, providing a robust seal.
LIGHTWEIGHT EFFICIENT - Weighing only 31.8 g, it's easy to handle without compromising on performance.

The ACDelco 10-108 sealant is expertly designed for a wide range of engine components, allowing for quick application and immediate use. Its high viscosity ensures a strong, durable seal that cures upon exposure to air, making it a reliable choice for automotive professionals.