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Copper versus Brass distributor cap contacts
https://www.slantsix.org/forum/viewtopic.php?t=68684
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Author:  Jase [ Sat Jun 27, 2026 9:15 am ]
Post subject:  Copper versus Brass distributor cap contacts

I bought a good supply of what turns out to be both brass and copper appearing contacts. Is there a functional difference between the two?

Author:  SlantSixDan [ Sat Jun 27, 2026 11:41 am ]
Post subject:  Re: Copper versus Brass distributor cap contacts

No. Both of them are better than aluminum, but aluminum was perfectly adequate in pretty much all the factory caps. There are things higher up on the list of things to be picky about on caps and rotors.

Author:  Jase [ Sat Jun 27, 2026 1:15 pm ]
Post subject:  Re: Copper versus Brass distributor cap contacts

Quote:
No. Both of them are better than aluminum, but aluminum was perfectly adequate in pretty much all the factory caps. There are things higher up on the list of things to be picky about on caps and rotors.
Thanks Dan, that is next on the list, I just used a 3/4 inch bit and hand drill to put 7 holes in an old distributor.. One more to enlarge and it should become the clearance test rig for both slant 6 and LA engines here in the fleet...

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