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I'm wondering if there's a possibility that gear oil from before the '50s might have been tackier than today's oil. Here's why. I have two antique vehicles built without transmission input shaft seals. One is a 36 Plymouth and the other is a '57 Chevrolet truck. After operating the vehicles...

I am searching for a satisfactory replacement for "water pump grease" as used in 20's and 30's vehicles. There are some recommendations here and here. As suggested, Lubriplate 115 "Water Pump Grease" is not usable as the heat causes it to soften and work out of the pump allowing coolant to leak...

I'm working on removing soot from used diesel oil. I have a small centrifuge which will remove a fair amount of soot but eventually the amount of time required increases while the amount of soot removed per time decreases and it's not worth additional effort. I'm currently learning about the...

Preamble: In 1992 I bought a '57 Chevy pickup which had been off the road for many, many years. I serviced the original trans with fresh gear lube before the truck went back on the road and drove it all over Montana and even on an 8hr trip to Nebraska for many years without troubles. Driving the...

Is there an easy way to detect the presence of brake fluid in waste oil? With clean fluids it's easy to see a separation layer but a visual check in dirty oil doesn't seem as easy. And I seem to recall seeing "lumps" in the bottom of a waste oil bucket after brake fluid was mixed in, rather than...