Slant 6 Distributor

slantsixdan said

The nylon gears are terrific. They last for decades. If something jams the distributor—a dropped screw, say, or a long rotor + ground-off-centre distributor cap (increasingly common due to declining cap/rotor quality) or something else, the gear shears/breaks and the engine stops and that's it.

Allow me: if something jams the distributor, the metal gear doesn't shear, then you face the prospect of more stuff breaking below the distributor. AND the engine stops

And don't waste money, time and effort fixing problems that don't actually exist.

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That's exactly what I was thinking! Lately it seems people are trying to fix or improve things that don't need it. The nylon gear is sacrificial and designed to fail to save other components. Would you rather replace an inexpensive nylon gear or a cam or oil pump? Reminds me of when I was designing bulk material equipmrnt in the last century. It was standard to include a SHEAR PIN in the drive system. Things like snow blower angers typically also include them. One thing I've learned about Chrysler engineers is they were very thorough and pretty much got their way with using quality parts and materials. Unlike some of their competition.

When I rebuilt my 1964 225 the nylon gear was actually cracked so I changed it out. 97,000 miles at the time but the car had sat for 31 years.