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#1045063 07/26/2014 7:50 PM
Joined: Feb 2010
Posts: 5
H
New Guy
New Guy
H Offline
Joined: Feb 2010
Posts: 5
Where do you buy and what kind? I have a 53 Chevrolet 6100 with the 235 engine and converted to 12 volts. I replaced the plugs and wires along with new cap, rotor, condenser and points about five years ago. During this time have less than 10 hours running time on the truck. Tried starting truck for the first time this year and did not start. Found bad wire, coil to distributor cap. Purchased wires and other parts from NAPA. Told them what I had and give me what you have on hand. The wires looked identical in construction to what I use on my 97 Dodge pickup. Now I am questioning if I should be more selective with parts that I have using on the 53 especially the spark plug wires. Wire construction has certainly changed over the course of 60 years. Appreciate your input.

Joined: Feb 2014
Posts: 215
W
Shop Shark
Shop Shark
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Joined: Feb 2014
Posts: 215
They have gotten better over the years, with one exception: If you have a V8 you are lucky to find a set that actually fits without having some short wires, and some that are two feet too long. Maybe it's easier for an inline engine.

They have gone from solid core (bad for radio interference) to graphite core (easily broken) to todays wire wound with better insulation too.

Joined: Apr 2001
Posts: 268
G
Shop Shark
Shop Shark
G Offline
Joined: Apr 2001
Posts: 268
I have a question...when you converted to 12 volt what did you do for the coil?

Did you change the coil or add a ballast resistor?

A 6 volt coil requires a resistor when used with 12 volt and most GM coils require a resistor also.

Without a resistor you will eventually fry you points.

I purchased plug wires from Classic Chevy Truck parts.

Good Luck and Happy Motoring...


Dance like no one is watching,
Sing like no one is listening,
Love like you've never been hurt.

1948 GMC FC101 1/2t Pickup w/270 and SM420
1948 GMC FC253 1t Factory 80"x9' Flatbed Dually
1948 Chevy COE 2 Ton 8'x15' Flatbed
1950 GMC 354-24 2 Ton 8'X12' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton 8'x14' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton Cab and Chassis
1942 Clarkator 6 MILL-44 Heavy Aircraft Tug
1942 Ford (9N) Moto Tug with 1/2 yard Loader
1947 Oliver OC3 HG-42 Tract-Crawler Bull Dozier w/6' Blade
GMCPic #1047866 08/08/2014 1:23 PM
Joined: Sep 2001
Posts: 29,262
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,262
Originally Posted by GMCPic
I have a question...when you converted to 12 volt what did you do for the coil?

Did you change the coil or add a ballast resistor?

A 6 volt coil requires a resistor when used with 12 volt and most GM coils require a resistor also.

Without a resistor you will eventually fry you points.

I purchased plug wires from Classic Chevy Truck parts.

Good Luck and Happy Motoring...

- A 6v coil in a 12v conversion will most likely not fry the points. I do not know how well that set-up will perform.

- A 12 volt coil in a 6v-to-12v conversion, and 12v coil in a natural-born 12v system, needs a ballast resistor (in the coil, or as an external ballast resistor). Without this resistor in the 12v system, the points will eventually be damaged/fried.


Moderated by  69Cuda, Super55 

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