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10-15-2020, 07:05 PM | #1 |
Junior Member
Join Date: Apr 2020
Location: Lachute QC Canada
Posts: 26
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Aftermarket radiator cap.
I buy a radiator some time ago at a swamp meet and the cap is not the standard one. It was made in USA and the threads are 2 1/2 in diameter.
Someone can tell me if a cap is available? Regards. |
10-15-2020, 07:06 PM | #2 |
Junior Member
Join Date: Apr 2020
Location: Lachute QC Canada
Posts: 26
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Re: Aftermarket radiator cap.
...
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10-15-2020, 07:43 PM | #3 |
Senior Member
Join Date: Sep 2019
Location: Fort Gratiot, Michigan
Posts: 2,296
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Re: Aftermarket radiator cap.
is that a Model A radiator ?
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10-15-2020, 08:01 PM | #4 |
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Join Date: May 2010
Location: Portland, Oregon
Posts: 5,906
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Re: Aftermarket radiator cap.
Your cap is the right diameter, but that radiator neck doesn’t appear to be a Model A. A photo of the cap would help to determine if it resembles a Model A cap, and another picture of the neck with the cap as it sits (or doesn’t) in relation to the neck.
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Ray Horton, Portland, OR As you go through life, keep your eye on the donut, not the hole. |
10-15-2020, 08:04 PM | #5 |
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Join Date: Oct 2020
Posts: 9
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Re: Aftermarket radiator cap.
That's been modified. Model A caps are not threaded. At least my '31 is not.
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10-15-2020, 08:10 PM | #6 |
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Join Date: May 2010
Location: Portland, Oregon
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Re: Aftermarket radiator cap.
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Ray Horton, Portland, OR As you go through life, keep your eye on the donut, not the hole. |
10-15-2020, 09:41 PM | #7 |
Senior Member
Join Date: May 2010
Location: So Cal
Posts: 8,756
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Re: Aftermarket radiator cap.
Looks like an aftermarket aluminum radiator.
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10-16-2020, 10:19 AM | #8 |
Junior Member
Join Date: Apr 2020
Location: Lachute QC Canada
Posts: 26
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Re: Aftermarket radiator cap.
Forgot to say, it's an aftermarket radiator i need a 28-29 cap. I have few old radiator who are not threaded. Thanks.
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10-17-2020, 12:20 PM | #9 |
Senior Member
Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
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Re: Aftermarket radiator cap.
Sell it at another swap meet.
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10-17-2020, 01:57 PM | #10 |
Senior Member
Join Date: Sep 2019
Location: Fort Gratiot, Michigan
Posts: 2,296
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Re: Aftermarket radiator cap.
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10-18-2020, 10:23 AM | #11 |
Senior Member
Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: Aftermarket radiator cap.
Threaded radiator necks are available from some model A parts vendors .. Care must be taken if installing a radiator neck or the radiator shell won't fit .
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10-18-2020, 12:19 PM | #12 |
Senior Member
Join Date: Mar 2012
Location: Ohio
Posts: 1,977
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Re: Aftermarket radiator cap.
My radiator is a 28-29, and it is threaded
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10-18-2020, 02:37 PM | #13 |
Senior Member
Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: Aftermarket radiator cap.
The 1930 pick up and AA trucks up to June 1930 used a 28-29 style radiator with the later style tabbed cap .
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10-18-2020, 03:17 PM | #14 |
Senior Member
Join Date: Aug 2011
Location: Eagle Bend, MN
Posts: 2,026
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Re: Aftermarket radiator cap.
I believe the original 28-29 radiator cap threads are 2 3/16 inch. If the cap you have is indeed 2 1/2 inch, it's not correct for an A.
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