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Oil Recycling

Oil Pressure Problems

Engine Theory: Oil

Quick Oil Change

In Case You Missed it

Archive: December 1993

Our end-of-year issue for 1993 was then, as it is now, the annual “homebuilt...

Kit Stuff

Drawing on experience; by cartoonist Robrucha.

Home Machinist

Let’s take it to the edge. Where is the edge? If, up to now, all you’ve done is scribe a target and eyeball the position of the drill bit, this is for you. By Bob Fritz.

Ask the DAR

Electric motors, major repairs, combining parts from several kits, using completed wings.