no spark

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Aug 8, 2011 | 10:12 PM

MAN_N_BLACK

Thread Starter

Junior User

Joined: Jan 2011

Posts: 89

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no spark

2 weeks ago i drove a 1980 with a 351m in to the shop pulled the motor tore it down resealed it left the dizzy in the motor during this. then yesterday i drove my 1979 f150 with a 400 with a very bad vibration in the motor( havent tore it down to find out what it was.) but anyway drove it in just fine. pulled that motor. put the 351m in .used the coil, igntion box, wiring from the 400 none of which were unhooked from the truck. now there is no spark coming from the coil. tried different coil, ignition box, and looked thru all the wiring and couldnt find anything that looked out of place or messed up.
any ideas?
i want to get this truck out of the shop-with out pushing it.

Aug 9, 2011 | 01:53 PM

shooten roosters

Freshman User

Joined: Aug 2011

Posts: 32

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try the 400 dizzy the pickup in the 351m dizzy could have just went bad runs fine then next time you try to start it no spark had it happen a few times