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Hello, Navy retired, now in northern Wisconsin. CENEX is local. Thanks

Hi, Anyone using 5w-30 Maxtron in a Can Am Rotax 1000 engine? UTV application. Thanks...Mark

Yeah, I think it could be a head gasket....valve cover is dry. I'm going to change to a different oil. I love this Valvoline and so does the engine, but will try a high mileage oil or regular dino.

Hi, I cleaned the back of the engine on the last oil change. I'm sure I did not hit something. I just developed a leak. I might go back to the Ford oil again. The synthetic makes the engine run smooth and quiet. I like the oil, but not sure a seal does. Thanks...

Hi, I have a 2007 5.7 Hemi, 42,000 miles. Switched oil to synthetic from MotorCraft 5-20. Developed an oil leak on the left side of the engine above the starter, I think. Hope it is not a rear main seal. Notice one - two drips on the garage floor....back of oil pan is wet... Question...could...

Yeah, just not sure why my engines respond to this product so well. I bought a new Challenger with the 6.1 Hemi and will be looking to try 5w-30 in it. My other Hemi used 5w-20. Ran Motorcraft for the first 12,000 miles then switched to Napa. She just runs so smooth and no Hemi "tick" or any...

I have tried several different brands of oil and have noticed that only Valvoline SynPro & Napa not only provides a smoother, quieter running engine, but an increase in fuel mileage. Works on a Hemi and Land Rover plants. Not sure just why this is, but Napa works great! Change oil every 4K...