Points replacement. One spring or two?

[miker]

Hi all,

 

I'm replacing points on my 41 Dodge Business coupe. The existing set has a steel and copper 'spring' but my replacement set from a reputable vintage Mopar supplier only has the steel spring. Does this matter? What's the difference?  Pics attached for reference

 

Also, I've heard about 'floating' points if the spring isn't attached correctly.  I assume one/or both of the springs should be secured by the small screw that also hold the fabric covered wire (which was frayed and I repaired).

 

Thanks for any advice you might offer.

[Plymouthy Adams]

if you do not use both look for points bounce to be a major player in limited rpms and inability to achieve speed....

[miker]

Thanks. So the replacement set with one spring is then inferior and i should dress/re-use the existing two spring set up?  

[Plymouthy Adams]

not saying that.....if supplied with two use both (strap and spring)....if supplied with one the contact strap is likely already bonded in place.  Some units have the contact strap floating thus the second spring which is not a true spring but just a strap.  

[miker]

Thanks for clarifying - makes sense!

[desoto1939]

48 minutes ago, miker said:

Thanks for clarifying - makes sense!

Miker: This is rich Hartung and I have a 1939 Desoto 4 door sedan. Contact me and we can talk about the 39 Desoto. i will send you a private message .

 

Rich Hartung

desoto1939@aol.com