Increased Valve Noise After Change To Amsoil

nuts4nissan09

I need to amend what I previously wrote. Just got back from a 1,300 mile flog on the interstate (@100 degrees-80/85 mph) and aggressive driving through tight mountain roads (elevation changes). Temps got up to 225-230 on that 100 degree interstate drive. Cooled considerably on the Blue Ridge Parkway (185-195, 63-74 temps). Did notice that the oilt temps would drop when engine braking/coasting even w/ the engine turning 3,800-4,000 rpm. Also found that going uphill in 4th (@2,400rpm) following slow traffic that the temps rose to 240. Downshifted to 3rd thinking that I was putting too much load on it at too low rpm and the temps remained the same; weird. Must be dependent on torque requirements. Those 240 degree temps had me contemplating a cooler, but I don't have conditions like that where I live (mostly flat). The engine performed flawlessly through this whole drive. Glad I had a quality synthetic in the sump!