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Spark plug seized been spraying with PB blaster still cant get it out afraid I will strip, plus the ceramic cracked while tring to get it out

Is there something I can do to run the car with crack in spark plug,runs rough plus it sparks out of the distributor wire

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  • Cars & Trucks Master
  • 5,406 Answers

The sparkplug will simply have to come out. It will never spark in the cylinder with the cracked ceramic. If you want, have it done at a shop in case it does strip threads. Then the shop should be able to put in threaded inserts in the plug hole.

Posted on Dec 31, 2012


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Posted on Jan 02, 2017

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SOURCE: Running "rough"

I had the same issue with my venture. It turned out to be the number 5 plug wire, backside of engine ended up breaking out of the plug carrier and burning in half on the manifold. Your best bet is to trace all the wires to start off with and change the plugs. If that doesn't help, it may be internal. Good luck

Posted on May 15, 2008

  • 23 Answers

SOURCE: changed spark plugs and wires.

check to see if the wires are in right order and if the plugs and wires are the correct ones for vehicle

Posted on Jul 18, 2008

  • 1 Answer

SOURCE: engine runs rough and bucks at 1500 rpm

check fuel injectors for debris

Posted on Nov 29, 2008

  • 6982 Answers

SOURCE: dual distributor spark plug wiring diagram for model building.

You are correct in your idea about how the plug wires are attached. If you want to duplicate control wiring you would need to obtain the wiring diagram of the brand of ignition system you want to duplicate. (MSD etc. These systems also require a small battery in order for them to operate. Wiring to distributor was far less complex when vertex type magneto distributors sere used as all that was required was a ground wire to shut them down (exactly like your lawnmower works), As far as plumbing, all systems need to meet safety standards set forth by the NHRA but aside from meeting those standards, each engine builder decides where to locate such items as primary and secondary fuel injectors etc. If you go to the NHRA website, you may be able to find a decent photo of someones engine...that may be helpful. Also check the rule book for such items as kill switch location, brake, chute release etc.

Posted on Sep 13, 2009

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  • 83 Answers

SOURCE: change my spark plug and wires now my car is

check this solution here:

Posted on Sep 16, 2009

Testimonial: "I had wires croos 4 and 6 it runs like a champ thank you"

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