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Anonymous Posted on Feb 01, 2012

I have a '78 thunderbird with a 351m clevland engine i changed out the distributer cap, put the sparkplugs in correct firing order and now it wont start it turns over but its not firing im thinkin

What should i do

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  • Contributor 5 Answers
  • Posted on Feb 01, 2012
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Joined: Feb 01, 2012
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Simple things first, did you put the rotor back in ? I would start by connecitng a timing light to one of the plug wires and have a friend turn the engine over and see if the light flashes. (I use a remote starter switch on fords but make sure the ****** is in park) If the light does not flash, connect the timing light to the coil wire. It should flash now. If it does, the plug wires might not be in the correct fireing order. if it does not , the problem should be under the cap if it was running before. if you dont have a timing light, lift the coil wire off of the cap and hold the conductor close to the cap, less than 1/4 inch. Have a friend crank the engine. You should see a blue spark. if you do, repeat with a spark plug wire. If you have spark, the wires are probably wrong. Be careful not to get shocked. It wont hurt you but wont feel good either. If you have no spark and everything is in order and the rotore is installed properly, disconnect the battery and remove the ignition box on the inner fender. Look at the bottom side. If it has an area that looks sandy (literally) replace it. This is common on the duraspark ignition systems.

  • Anonymous Feb 01, 2012

    lol yeah i put in the rotor and and it was facing the number one plug firing order isalso correct i thought it could be the coil,ignition timing, or the spark plug gap didnt try the ignition box idea good lookin out hopefully its nothing to serious

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5 Related Answers

Anonymous

  • 702 Answers
  • Posted on Jun 25, 2008

SOURCE: 78 Ford Thunderbird w/ 351 Windsor motor

You'll need to raise the engine to replace the oil pan. Take the trans./converter loose, remove the engine mounts, wiring, fuel line, and anything else that could be a problem with raising the engine. You can use 2 6 x 6's and place under the engine mounts and rest the engine on these. This should provide you with room to drop the pan.

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Anonymous

  • Posted on Sep 22, 2008

SOURCE: 88 chevy cheyenne wont start

sounds like tbi has gone out on it thats what happend to my 88 silverado

Anonymous

  • 341 Answers
  • Posted on Oct 22, 2008

SOURCE: what is the firing order for a 1994 ford thunderbird?

Firing order 1-4-2-5-3-6 ------- front | 1 2 3 | of | | vehicle | 4 5 6 | ------- Distributor rotates counter clockwise

emissionwiz

Marvin

  • 85242 Answers
  • Posted on May 29, 2009

SOURCE: 3.9 engine. spark plug wires inadvertantly got removed from distributer cap and not sure how they go back on.

go to this link for diagram. one is white spot on distributor cap.

http://autorepair.about.com/library/firing_orders/bl-fo-9144.htm

motor1258

Mike Butler

  • 6674 Answers
  • Posted on May 31, 2009

SOURCE: 3.9 engine. spark plug wires inadvertantly got removed from distributer cap and not sure how they go back on.

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