C1 dual point gear pin removal

[Ron H.]

I'm familiar with the roll pin but not with what looks like a crimped ended pin in the bottom gear of my '61 dual point 1110891 distributor. My question is removal of this pin. I ground off one side of the crimp and tried to drive it through but no go. Do I grind off the other side also and try to push it through? Do I replace it with a roll pin? Thanks.

[Joe L.]

Re: C1 dual point gear pin removal

I'm familiar with the roll pin but not with what looks like a crimped ended pin in the bottom gear of my '61 dual point 1110891 distributor. My question is removal of this pin. I ground off one side of the crimp and tried to drive it through but no go. Do I grind off the other side also and try to push it through? Do I replace it with a roll pin? Thanks.

Ron------


I have never seen this type of distributor gear retainer on a Corvette distributor. But, I have little experience with C1 era distributors. The problem I see, though, is that if you can't drive it out from the side from which you've removed the head, I don't see how you'll be able to drive it out from the other side if you remove the head on that side. In other words, I highly doubt that it's a tapered pin. But, you have little to lose by removing it and trying.

[Mike M.]

Re: C1 dual point gear pin removal

i've encountered such distributor pins in some c-1 instances. i just ground the head and then used one of my FORD hammers(real Ford mechanics only need 10 tools for fomocos--10 different sized hammers). anyway then the ones i've dealt with simply drove out. mike

[Ron H.]

Re: C1 dual point gear pin removal

Thanks Mike. I'll grind the other side off and go over to my bother-in-law (ford guy), he should have the right hammer!

[John D.]

Re: C1 dual point gear pin removal

The knurled end in the pic means the distributor gear has never been taken apart. Love that when I see it on an FI distributor.

[Joseph L.]

Re: C1 dual point gear pin removal

Hi Dave
I have seen distributor gears with no dimple. If the distributor was disassembled without marking the orientation, which side of the gear (tooth or space) aligns with the rotor?
Joe

[Rod K.]

Re: C1 dual point gear pin removal

As suggested previously, grind off the other end too then drive the pin out. It's not tapered and probably just expanded enough to provide a tight fit. Note and mark the orientation of the gear tooth with the rotor and reassemble. Cut a length from a common nail of the appropriate diameter to use as a replacement pin, install and peen both ends. This advice came from Don Baker, a dist rebuilder who was very helpful to me with my 891. 815-498-9522

[Ron H.]

Re: C1 dual point gear pin removal

Thanks Rod, great advice.

[Richard M.]

Re: C1 dual point gear pin removal

I had the same issue on one. As I recall, the gear was a bit loose. The pin appeared to be deformed a bit.

I ground off one end and used a drift to knock it out. I then used a split pin and swedged both ends after insertion.

P2090010.jpg

P2090011.jpg

P2090014.jpg

P2090018.jpg

[Joe L.]

Re: C1 dual point gear pin removal

I had the same issue on one. As I recall, the gear was a bit loose. The pin appeared to be deformed a bit.

I ground off one end and used a drift to knock it out. I then used a split pin and swedged both ends after insertion.

[ATTACH=CONFIG]97889[/ATTACH]

[ATTACH=CONFIG]97890[/ATTACH]

[ATTACH=CONFIG]97891[/ATTACH]

[ATTACH=CONFIG]97892[/ATTACH]

Richard------


As I'm sure you know, the spring pin (split pin) was used on all 1963+, if not earlier, distributors without any sort of peening. I've never heard of one of these coming out. Of course, nothing is lost by peening.

[Ron H.]

Re: C1 dual point gear pin removal

I got it out today. I ground both ends and it still wouldn't move. I drilled a small hole through the pin and then was able to drive it out.