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Labor Day Putting down your wrenches or time for
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2009 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2009 Posts: 54 | have a 57" 235 6 volt with very weak spark,coil and wiring good what else could it be? | | | | | Joined: Jun 2009 Posts: 2,201 Shop Shark | | Shop Shark Joined: Jun 2009 Posts: 2,201 | that little condenser in the distributer. | | | | | Joined: Dec 2006 Posts: 1,464 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 1,464 | Also could be point gap, distributor cap, wrong wires (I would use stranded copper plug wires for this set-up), worn out distributor bearings. | | | | | Joined: Sep 2001 Posts: 272 Shop Shark | | Shop Shark Joined: Sep 2001 Posts: 272 | I had the same problem in my 56 235... Condensation had left a "glaze" (corrosion)on the points almost impossable to see, with my eyes anyway, a trip to toe wire wheel regap at .016 and she ran.
Also are you SURE it is a 6 volt? Should be a 12volt in 57.
Brad | | | | | Joined: Apr 2009 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2009 Posts: 54 | the trucks a 52" the motor is a 57" yep its a 6 volt. | | | | | Joined: Apr 2009 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2009 Posts: 54 | thanks for all the feedback now all I have to do is work on it. | | | | | Joined: Sep 2007 Posts: 154 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2007 Posts: 154 | Double check the coil. You should have a nice blue spark at the end of the plug wire and it should jump at least an "1/8.
A poor coil will/could give you a spark but it will show up with a yellow tint to it and it will not jump quite as far. Also a good strong battery is important. | | | | | Joined: Apr 2009 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2009 Posts: 54 | well finally got around to changing the plugs to non-resistor and to copper wires and it fired right up,after ajusting the idle it ran good.but now I think I have a fuel pump problem. | | |
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