weird distributor cap problem

Spanky · Post by **Spanky** » April 30, 2011, 8:14 pm

I have never seen this before: just started some routine maint. on the ol slick and popped the distributor cap off and I'll be damn if the post are all brand new looking but right beside each one of them on the plastic it's burned a hole all the way around on the inside just next to each post.

The truck was running just fine I had no reason to believe anything at all was wrong! Anybody heard of this before?

Spanky · Post by **Spanky** » April 30, 2011, 11:36 pm

Alan Mclennan · Post by **Alan Mclennan** » May 1, 2011, 1:38 am

Looks like it`s been arcing off the rotor early or late!, would that be pre ignition?

slick4x4 · Post by **slick4x4** » May 1, 2011, 7:51 am

has someone removed the resistor wire powering the coil ?
did the points look OK ?
maybe to big or too tight a setting of the points ?

62galxe · Post by **62galxe** » May 1, 2011, 9:25 am

how wide is the plug gap?

cooter · Post by **cooter** » May 1, 2011, 9:55 am

how did the truck run with this cap?

Spanky · Post by **Spanky** » May 1, 2011, 1:17 pm

Thanks for the tips! I found the problem, it was the spark plug gaps. They were all set at .040 so i reset them all to .030. I obviously forgot to gap them when I bought the plugs. haha And the truck wasnt even running that bad! I thought it was just a tad rough but nothing seemed out of the ordinary. And I cant believe it was running so close to normal firing only on the plastic! The plugs looked fine so hopefully when I fire it up in the near future I'll notice a huge difference.