I have a leak where my tranny meets my engine I believe it’s a “lower rear seal leak “ ? Will this be effective for that type of leak ?

Depends on how damaged the seal is but this does work very effectively in most cases

Can you use this with any kind of oil?

I use it in my 2004 F150 which calls for a 5W20 weight oil. The newer cars have a 0W10 or therabouts requirement. Some of these 'oils' are synthetic. Lucas is a 'thickener' and increases the viscosity of the oil in your vehicle - if your vehicle calls for a 0W10 or in that area I'd be a bit cautious about using anything that increases the viscosity in your vehicle's cranckase. Especially in cold weather. 0 viscosity 'oils' provide almist instant lubrication in cold weather - higher viscosity oils need to warm before they flow easilyto provide the needed lubrication.

How much Lucas oil stop engine can I put in to the engine

According to the label you put 20% of your engine capacity. (1 quart of Lucas oil to 4 quarts of engine oil).

Will this work in small engines

It should, haven't needed to try it yet

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🛠️ Stop leaks before they start – because your engine deserves the best!

OPTIMIZE ENGINE HEALTH - Keeps oil where it belongs, enhancing performance and reducing costly repairs.
SEAL YOUR ENGINES FUTURE - Advanced formula halts oil leaks, protecting your engine's longevity.
PRECISION ENGINEERED VOLUME - 1 quart size delivers the perfect dose for effective leak repair.
TRUSTED AMERICAN CRAFTSMANSHIP - Manufactured in the USA, ensuring premium quality and reliability.
EASY APPLICATION INSTANT CONFIDENCE - Simple to use, giving you peace of mind on every drive.

Lucas OilProducts LUC10278 Engine Oil Stop Leak is a 1-quart, high-quality additive designed to quickly seal engine oil leaks. Made in the USA, this trusted formula helps maintain engine integrity, reduce oil consumption, and extend engine life, making it an essential part of proactive vehicle maintenance.

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Manufacturer	Lucas Oil Products
Brand	Lucas Oil
Model	Gear Oil Lucas
Product Dimensions	8.64 x 8.51 x 29.85 cm; 961.62 g
Item model number	LUC10278
Manufacturer Part Number	LUC10278
Item Weight	962 g

Lucas OilProducts LUC10278 Engine Oil Stop Leak, 1 Quart, 1 Pack

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