I can change the convencional motor oil for sinteric motor oil in many next service

Sure, should pose Zero problems, just use the manufacturer recommended grade of oil.

whats the percentage of synthetic oil in this oil?

We never divulge amounts of components in our products but we would not call a product a synthetic blend without it having a performance benefit as compared to our conventional product.

Generally i use highmileage 5w-30 for my nissan sentra 2007 which has 200k miles, shall i use highmileage 10w-40 now?

Look what Nissan says on weight to use and stick with it. It is designed to use the weight as for the clearances on you motor. Once you used the high mileage continue to use it. The high mileage has stuff in the oil to expand some of the seal and gaskets in your motor. Now if you go back the seals may shrink back and start to leak. Go to youtube and look for the video on different filters and oils. ie fram. I had a someone tell me to get the fram off my 92 ford 5.0 mustang and watching the video on filter I could see why. Oil is important but especially the filter.

Can you use it in a 212 predator

Contact Predator to see if that oil is compatible with your boat.

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🛠️ Keep your high-mileage engine young, efficient, and unstoppable!

HIGH MILEAGE HERO - Specifically designed for vehicles over 75,000 miles, giving your aging engine the premium care it deserves.
FUEL ECONOMY ENHANCER - Formulated to improve fuel efficiency, putting more miles in your tank and money back in your pocket.
SLUDGE FIGHTING POWER - Superior dispersancy technology combats sludge buildup, ensuring peak engine cleanliness.
ENGINE LONGEVITY BOOSTER - Advanced additives actively reduce engine wear, keeping your ride smoother, longer.
LEAK REDUCING SEAL CONDITIONERS - Special seal conditioners help minimize leaks, saving you costly repairs and downtime.

CastrolGTX High Mileage 10W-40 Synthetic Blend Motor Oil is engineered for vehicles with over 75,000 miles, combining advanced phosphorus replacement technology, superior sludge control, and exceptional burn-off protection to extend engine life, reduce leaks, and improve fuel economy—all in a convenient 5-quart size.

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Viscosity	10W-40 sae_grade
Brand	Castrol
Vehicle Service Type	For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs
UPC	079191231111
Automotive Fit Type	Universal Fit
Global Trade Identification Number	00079191231111
Manufacturer	Castrol
Size	5 Quarts
Model	03111
Item Weight	0.01 ounces
Product Dimensions	8.31 x 4.56 x 12.75 inches
Item model number	1597C2
Manufacturer Part Number	03111C

Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts

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