brassworks radiator-6 fin vs 10 fin per inch

[kimeccles]

I have a new Brassworks radiator 10 fin 1930-1 that my original cap goes in but then only turns a tiny bit and won't stay on.

I bought this at a local auto store who now is out of business and can't take it back. It has never been used other than to install it.

I was going to try to grind or file it some so the cap would fit, but was advised to leave it alone for a possible return.

So now my question is, do any of you have their 6 fin unit that is more like the original and is the 6 fin version also good for cooling and more "original" point wise for judging? Any problems with the caps fitting on the 6 fin version lately?

Thanks

[loubob]

You could call Brassworks and explain your problem to them.
Then ask them for recommendation/suggestion on how to correct it.

[kimeccles]

Thanks. I did check with them and they said they would try to fix it if I return it.

[oldforder]

In what way doesn't the cap fit? depth, diameter, or what? Pictures would help.

[kimeccles]

Thanks. I received advice to try to send it back and not mess with it.

[kimeccles]

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Thanks. The cap only turns a tiny bit and won't stay on. I will try to get a refund and send it back. I guess I should not try to fix it, as then it can't be returned.

[bucket-o-rust]

Be sure your cap is the correct one. Make sure the cap has the correct gasket. Check your cap in a known good radiator neck. I assume you have did all of that but you never know for sure. If your cap has been used in a worn or bent neck and has two thick of gasket it may have trouble working correctly in a new radiator neck.

[kimeccles]

I bought 2 reproduction caps, and my original show cap and none will turn on more than a little bit and the cap falls off. It is just too tight to get the cap all the way on and so I will ask Brassworks to please let me return it.

Edited to also say that it does not matter what fins (original 6 fin design or new 10 fins), both are considered reproductions if from current suppliers and get the same reduction in points for judging, unless it is truly an original radiator.