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Burning Up Points - Help! #1327804 Thu Sep 26 2019 11:42 AM
Joined: Feb 2019
Posts: 41
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BigHog Offline OP
Wrench Fetcher
My 1955 Series 1 3100 with a 235 inline six, has a new distributor installed, new point, condensor, and coil. Let me know if you need more specific information. I am on my third set of points. They last less than a 100 miles. She has been upgraded to a 12v system. I did not do the conversion, it was done when I purchased her.

Last edited by BigHog; Thu Sep 26 2019 11:44 AM.
Re: Burning Up Points - Help! [Re: BigHog] #1327813 Thu Sep 26 2019 12:26 PM
Joined: Feb 2019
Posts: 377
P
Phak1 Offline
Shop Shark
Does it have a inline resistor going to the distributor installed?


Phil

1952 Chevrolet 3100 w/‘59 235 & hydraulic lifters
“Three on the Tree” & 4:11 torque tube
12v w/ Alternator
Re: Burning Up Points - Help! [Re: Phak1] #1327814 Thu Sep 26 2019 12:30 PM
Joined: Feb 2019
Posts: 41
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BigHog Offline OP
Wrench Fetcher
It does have an inline resistor. I have not measured resistance on it.

Re: Burning Up Points - Help! [Re: BigHog] #1327815 Thu Sep 26 2019 12:33 PM
Joined: Apr 2005
Posts: 7,868
J
Justhorsenround Offline
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
Are you buying quality points or the cheap ones? NOS Delco or Echlin from NAPA. Make sure you are running a internal resistor coil. 🛠


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne 4dr 230 I-6 one owner (I’m #2)
‘39 Dodge Businessmans Coupe


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Re: Burning Up Points - Help! [Re: BigHog] #1327816 Thu Sep 26 2019 12:51 PM
Joined: Feb 2019
Posts: 41
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BigHog Offline OP
Wrench Fetcher
Points came with the truck. Should have been an indicator. I am going to purchase at NAPA today. Is there a specific part number? Is there 6v vs 12v points, or just points. I will verify the coil as soon as it gets a little brighter out, and report back.

Re: Burning Up Points - Help! [Re: BigHog] #1327821 Thu Sep 26 2019 01:35 PM
Joined: Feb 2019
Posts: 377
P
Phak1 Offline
Shop Shark
You can run either a resistor coil or a ballast resistor but NOT BOTH. The advantage of a ballast resistor is, if wired correctly will deliver a full 12v to the coil when starting and reduced to approximately 9v when running. This reduced voltage protects the coil and points from burning up prematurely. The increased voltage when starting helps when starting, especially in the cold.

The ballast resister also needs to be matched to the coil to work properly.

I’m not an expert “Sparky”, so I will leave the testing to one of our expert electrical “Bolters”.

Good luck!

Last edited by Phak1; Thu Sep 26 2019 01:38 PM.

Phil

1952 Chevrolet 3100 w/‘59 235 & hydraulic lifters
“Three on the Tree” & 4:11 torque tube
12v w/ Alternator
Re: Burning Up Points - Help! [Re: BigHog] #1327835 Thu Sep 26 2019 04:05 PM
Joined: Feb 2019
Posts: 41
B
BigHog Offline OP
Wrench Fetcher
The coil requires an external resistor. I traced the wire into the firewall, where I assume it goes to the ignition. So it goes from ignition > ballast resistor > coil > distributor. Attached are some pictures.

Attached Files
IMG_0142.JPG (134.26 KB, 220 downloads)
IMG_0141.JPG (250.63 KB, 225 downloads)
IMG_0143.JPG (274.03 KB, 214 downloads)
Re: Burning Up Points - Help! [Re: BigHog] #1327837 Thu Sep 26 2019 04:37 PM
Joined: Dec 2017
Posts: 572
D
Dragsix Offline
Shop Shark
Put a new condenser in just on the chance you got a bad one out of the box. What is the delco remy number of the distributor? the 2403 distributor is more common on the late 55 and up motors and takes a different set of points then the earlier distributor. The valve cover has slots which indicates a 54 motor which suggests the earlier point set but could have just as easily been changed at one time or another.

Last edited by Dragsix; Thu Sep 26 2019 04:39 PM.

Mike
Re: Burning Up Points - Help! [Re: BigHog] #1327853 Thu Sep 26 2019 07:31 PM
Joined: Feb 2019
Posts: 377
P
Phak1 Offline
Shop Shark
Looking at your picture, it not clear that it is wired correctly. I’m including a picture how mine is wired. (Please note that the resistor should not be mounted to the coil (as in this picture) because it generates too much heat. The suggested spot to mount the ballast resister is on the firewall where it will get allot of cooling air.)

Looking at my picture, the wire at the bottom of the resistor is coming from the ignition switch. The second wire on the left terminal is coming from the side terminal of the starter switch which supply's the 12 volts for starting (once you lift your foot off the starter, it disconnects that circuit). Once it starts, power is supplied thru the ballast resistor, which should be someware around 9 volts.

Attached Files
CC9D2A3B-A611-46AD-AA13-C1813F319880.jpeg (284.55 KB, 182 downloads)
Last edited by Phak1; Thu Sep 26 2019 07:34 PM.

Phil

1952 Chevrolet 3100 w/‘59 235 & hydraulic lifters
“Three on the Tree” & 4:11 torque tube
12v w/ Alternator
Re: Burning Up Points - Help! [Re: BigHog] #1327854 Thu Sep 26 2019 07:38 PM
Joined: Feb 2019
Posts: 41
B
BigHog Offline OP
Wrench Fetcher
We are the same, except resistor location, and I am not running the other wire to the starter switch. That extra wire doesn't seem to have been a problem for me. I give her some choke and tap gas pedal twice, and she starts right up. Well, until points go bad. The green wire in the picture may be confusing you. It's currently connected to a non-functioning tach.

Last edited by BigHog; Thu Sep 26 2019 07:45 PM.
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