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Joined: Jan 2012
Posts: 46
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2012
Posts: 46 |
On my 490 the distributor cap doesn't fit down very good. The cap sets on top of the rim on the dist. I think I have the right parts. A 366 dist. and the cap is the same as one on e-bay that is for my car. Does the gasket come level with the rim, and the cap just sit on the top of that? I just don't know if I am missing something. I hate buying parts not knowing if I am buying the right ones. I know a picture would cure alot here, but I'm not that good. Thanks for the help. Paul
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
I would invite you to scroll down to TECH TALK and select the "School is in Session" thread. Use the search tool to find the answer to your question. Lot's of info there. A gasket is NOT used and there is a raised spot on the distributor that mates with the cap.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: May 2002
Posts: 1,213 Likes: 1
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: May 2002
Posts: 1,213 Likes: 1 |
If the distributor body is a diecast potmetal one,the raised circular diameter that locates the distributor cap may be distorted out of round?A possibility.
CJP'S 29
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Joined: Feb 2008
Posts: 802
ChatMaster - 750
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ChatMaster - 750
Joined: Feb 2008
Posts: 802 |
I think a 366 distributor is the wrong one. A 366 is a Delco Remy and 490s had a Remy or Conneticut. The Remy distributors are pretty tough to find since the pot metal fails on them. now that said, I have seen the light colored tan type distrubutor caps on 366 distributors not fit exactly right. I think the cap is what has shrunk. You can carefully trim up the cap with a scraper to make it fit better and see what happens.
28 Chevy LO Capitol 1 ton, 28 National 2 dr coach, 71 Chevy Custom Camper 3/4 ton. Also 23 Oldsmobile Economy truck and a 24 Olds sport touring.
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Joined: May 2002
Posts: 1,213 Likes: 1
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: May 2002
Posts: 1,213 Likes: 1 |
The following model Chev 490 used a Remy 366 model distributor:
1922 490.... 366-J
CJP'S 29
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Joined: Jan 2012
Posts: 46
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2012
Posts: 46 |
I have an enclosed car. which should make it a 1922 or newer. The title I have shows it as a 1921. It was bought through Syler Chevrolet in Michigan. Sold to the guy I bought it from. Why it shows 1921 he did not know, but it is. I should just talk about it as a 1922. Thanks for the info. Paul
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Joined: Jan 2012
Posts: 46
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2012
Posts: 46 |
Thanks for the cap help. I did find that the Remy distributor was out of round. After finding the conter and placing the cover on it as best I could I think I have it. It has so many cracks in it I am near to getting a new body and replace the internals. But I just found out that the coil is bad. Is there a replacement coil for this that is newer, or do I stay with an old style. Any help would be greatly appreciated. Paul
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Okay, a new distributor body is available from www.20schevyparts.com.If you do not care about judging and having the correct look you can purchase a 6-volt coil for a 1954 car and use that as your coil. Purchase the correct condenser for the 54 also and use it. You may get lucky by looking at some of their ignition aftermarket items and find a holder for the coil.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Jan 2012
Posts: 46
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2012
Posts: 46 |
That was a great reply!!! Tons of information and a great bit of help understanding coils. Thanks
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Joined: Jan 2012
Posts: 46
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2012
Posts: 46 |
Just another THANK YOU!! Right on with the distributor being out of round Thanks Paul
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