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727 always leaking

My ‘68 drove me nuts with a leak I couldn’t find. I replaced pan gasket, dip stick o-ring, front seal, shifter seal. Still leaked, mostly when cold. I finally figured out the Bakelite in the neutral safety switch ( old style-single threaded stud) had shrunk over the years and would leak when cold, replaced with NOS (hard to find) and leak was cured for good. Baby powder a good idea, because once there is a leak, the fluid migrates all over and gives you false indications of the source.
 
If you have a stock pan check this spot at the front. Some original pans have a weak area that flexes causing a slow leak. I have good results with a flat bar bolted to the pan.

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