[Bursonaw]

Brian,

I had the same problem until I had an old gentleman tell me the secret not to break pins.

I’m assuming you have a solid driveshaft. Not the hollow shaft on some of the earlier cars.

1. Attach your coupling to your drive shaft with our pin.

2. Pack your coupling completely full with grease.

3. Push your coupling onto the pinion shaft. (The grease will squeeze out from the splines and be difficult to line the pin hole up. You should see grease oozing out from the splines on both side of the coupling.

4. Install your pin. I use a quick disconnect type.

I’ve run my 41 Ford for 40 years without breaking stock NOS pins.

Hope this helps.


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