Has anyone actually tested any engine coolant addatives out? did you notice any difference in temp from the 10$ bottle? the redline water wetter supposedly makes your coolant transfer more heat etc, but what im wondering is does it actually work, and if so how. they have charts showing a test...
What cleaner makes it easiest and fastest to clean carbon from piston tops and manifolds while i have a motor taken apart. hopefully something that will save me from scrubbing too much. any ideas, or what do you use? What about while a motor is running? I have heard of people using water, but i...
