no spark!!!

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May 30, 2004 | 01:38 PM

tup

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no spark!!!

Help please, I have a 1976 f-250, 390 4bbl engine just rebuilt started fine ran great. bushing in distributor went bad. new dist. and it started fine. before I got a chance to set the timing I couldn't get it to fire changed plugs in fear or fouled. still nothing. had ignition mod tested it was bad, why suddenly bad I don't know any way I replaced it and still no spark . Help Me Please

TUp

May 30, 2004 | 03:08 PM

Torque1st

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Did you get the distributor in right?

May 30, 2004 | 05:35 PM

tup

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Thanks for reply, I dropped it in the manifold made sure it engaged the oil pump shaft and the rotor was lined up where i marked it what else could I have screwed up?

help tup

May 30, 2004 | 07:40 PM

LxMan1

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From: Louisville,Ky.

Possibly a bad pick-up coil in the new dizzy?

May 30, 2004 | 07:57 PM

tup

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what do you think are the odds of the pick-up being bad in a new distributor?

does any one know a good method to test a coil?

thanks tup

May 30, 2004 | 10:02 PM

Boosted 65

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Hello Tup! I had the same freakin' problem this week. I checked everything, distributor, ignition, coil. Then I took of the cap to see if the rotor was turning. It wasn't! The distributor gear was fine, the cam gear was fine, so guess what? It must be a broken timing chain. I'm in the process of fixing it now. What a pain.

Make sure your rotor is advancing before you check anything else. Best of luck to ya. Tom

Last edited by Boosted 65; May 30, 2004 at 10:04 PM.

May 30, 2004 | 10:46 PM

wezol5484

Cargo Master

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From: TX

I dunno if there is a way to test the coil other than just getting a new one. There not that expensive, I just had to replace mine last week and it was $23. Other than that I would have go with LXman on the pick-up. It may be a new dizzy but you never know. Pick-ups arent expensive either.

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May 30, 2004 | 11:40 PM

wezol5484

Cargo Master

Joined: Sep 2003

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From: TX

Yea it couldnt hurt. My Pick-up was $15. Ive had to replace all of my ignition sometime or another lol.

May 31, 2004 | 01:32 PM

#10

tup

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Okay fellas I have replaced the pick-up, ignition switch, coil, dizzy, ignition mod and still nothing. I am out of $$$ and very low on sanity. I cant help but think it is something simple, but what? all wiring to dizzy, and coil and modual have continuity. I am lost.

tup