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Today I gave Ruby Redcar (she has a name, now) her first post-restoration oil change. I noticed that the seal on the bottom of the oil-filter cannister was a badly made, rubber washer--when I tried to tighten the bolt, it just distorted and obviously would have leaked if I'd trusted it. I don't know why it held at all for the car's first 1000 miles.
I ordered some new ones from the usual sources. But then I started looking around the garage for something that would do, for the moment. Now, I have a huge bag of o-rings for the adjusters used on Campagnolo bicycle brakes that were common in the 1970s and into the 80s. The adjuster has an o-ring that simply provides a place for you to grip it; just a standard size o-ring, nothing special. If you want to buy these, you can get them for about $5/pair from people who stock old-bike parts. Some time ago, I found the closest English size (original was metric, for sure) and bought a bag of 1000 for about $20. Since then, I've been making myself popular with other classic-bike fanatics by giving these away right and left--at $0.02 each, it's a cheap way to ingratiate myself with others.
Believe it or not, these o-rings fit perfectly for the seal at the bottom of the cannister. There is a depression in the metal end piece, item 10 in the picture below, into which the o-ring fits perfectly. It seals nicely against both the bolt and the cannister housing, with just the right amount of compression.
The seal is item 9 in the picture, below--I have the Purolator filter, not the Tecalemit. I don't know if the original seal I had was correct--probably not, considering its lousy fit. But the o-ring seems perfect. I took the car out for about a 30-mile drive this afternoon, and everything is holding well.
The o-rings are size 2-204, which I bought from Marco Rubber Co., https://www.marcorubber.com. Mine are Buna-N (AKA Nitrile) which has good resistance to petroleum (but not brake fluid). Viton is OK, too, resists all kinds of petroleum products, and handles 400F temperatures (Buna-N is good to 250F). But Viton is a lot more expensive.
If anyone needs or wants to try some of these, send me your address at shotnoise99@yahoo.com, and I'll drop a couple in an envelope and mail them to you.
I ordered some new ones from the usual sources. But then I started looking around the garage for something that would do, for the moment. Now, I have a huge bag of o-rings for the adjusters used on Campagnolo bicycle brakes that were common in the 1970s and into the 80s. The adjuster has an o-ring that simply provides a place for you to grip it; just a standard size o-ring, nothing special. If you want to buy these, you can get them for about $5/pair from people who stock old-bike parts. Some time ago, I found the closest English size (original was metric, for sure) and bought a bag of 1000 for about $20. Since then, I've been making myself popular with other classic-bike fanatics by giving these away right and left--at $0.02 each, it's a cheap way to ingratiate myself with others.
Believe it or not, these o-rings fit perfectly for the seal at the bottom of the cannister. There is a depression in the metal end piece, item 10 in the picture below, into which the o-ring fits perfectly. It seals nicely against both the bolt and the cannister housing, with just the right amount of compression.
The seal is item 9 in the picture, below--I have the Purolator filter, not the Tecalemit. I don't know if the original seal I had was correct--probably not, considering its lousy fit. But the o-ring seems perfect. I took the car out for about a 30-mile drive this afternoon, and everything is holding well.
The o-rings are size 2-204, which I bought from Marco Rubber Co., https://www.marcorubber.com. Mine are Buna-N (AKA Nitrile) which has good resistance to petroleum (but not brake fluid). Viton is OK, too, resists all kinds of petroleum products, and handles 400F temperatures (Buna-N is good to 250F). But Viton is a lot more expensive.
If anyone needs or wants to try some of these, send me your address at shotnoise99@yahoo.com, and I'll drop a couple in an envelope and mail them to you.
