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 it right, seal it tight — don’t let leaks slow your flow!

DURABLE RESILIENT - Resists engine oils, coolants, and corrosion for long-lasting protection
FAST TRACK ASSEMBLY - Apply and torque bolts, then fill immediately—no wait time needed
SENSOR SAFE FORMULA - Oxygen sensor safe to keep your engine running flawlessly
PINPOINT APPLICATION - Comes in a tube for mess-free, exact placement every time
PRECISION ENGINEERED SEAL - Seals oil pans, manifolds, cam covers & more with OEM-grade reliability

ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs deliver a high-viscosity, one-component RTV sealant that cures on exposure to air. Designed for quick application on multiple engine components, it allows immediate oil or coolant fill post-assembly. Resistant to oils, coolants, corrosion, and blow-outs, this oxygen sensor-safe sealant ensures durable, OEM-quality engine protection.

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