Sinopec 5w30 full synthetic for gasser Ford's and Chevys.
Sinopec 5w40 full synthetic for all Rams requiring 0w40.
Sinopec 15w40 synthetic blend on all Diesel trucks, small engines, stationary power plants.
I was shocked when I rode with our driver in our Mule (2016 ram 3500 6.7 230k with all emission stuff) we were pulling a light load no more than 20k lbs combined but the load was practically a 12x8 foot wall. We were going up an 8% grade @55 mph for 5 miles oil temp reached 251° and coolant...
No need to run them at max psi, I run mine at 65 psi, if loaded to max on the trailer 80 psi is more than enough especially on an axels that are rated no more than 3500-lbs.
So Like I said to the OP save yourself the head ache and buy G rated tires.
Why change?
I have some trucks in my fleet with well over 400k with stock engines using the cheapest oil from Singapore some towing over their tow rating and carrying capacity.
Another option although not an MT it does great. Thunderer Ranger AT is a very aggressive AT tire, and has the best of both worlds, and it's not a loud tire on the highway either.
One of our 6.0 vortecs ran low on oil a couple of times and everytime it got checked it was 3 qts low, the thing that gave it away was the lifter tick. This truck suffered from a clogged valve cover, where the PCV valve was on the older 6.0's, cleaned it and no more oil consumption, there was a...
Originally Posted by KCJeep
My son has a Mazda 6 which at 150+k had never had a tranny fluid service as best we know. Mechanic said to leave it alone, so we did. No problems as of 190+k but it does bother me a bit.
That's just really bad advice from your mechanic.
Bad wording on my part, and yes I haven't seen a plug fail in any radial tire Ive plugged. You might have seen many fail because of installer error. This is on my fleet of trucks which consists of 50 trucks, that get punctured frequently in job site areas.