I’ll give you my step by step process for keeping my black 24 shining. First, I only use microfiber towels, good ones (don’t wash them in hot water or dry them on high heat it will ruin the fibers) I fill two buckets, one with soap, one with just water, rinse with a 40° nozzle and a 1.2gpm...
If we were driving a ford/dodge/chevy I’d say sure. The tolerances on these motors are RAZOR thin, adding not only a heavier weight, but a lower viscosity is just asking for trouble. You have a motor with a forged bottom end from the factory, direct and port injection, and a giant cooling...
So far I've got bilstein 5100's for the front and rear, JBA adj. UCA's, going with Enkei TrailCross 17x9 w/ +20mm offset, 275/70R17 Toyo Open Country AT III (load range E) for rims and tires. Still haven't decided on coil springs, or the height I want to go... I hear a lot of good things about...