No fire
Thread Starter
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Senior User
Joined: Apr 2003
Posts: 192
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From: North Carolina, Wilmingto
No fire
Question:
Why won't my truck start?
Details:
Transplanted engine. All wires hooked up to where they are supposed to be. Starter turns motor over very easily. Is getting gas. The coil is getting 12V. The ground is only conducting about 3V when the positive lead is connected to the bat. and then grounded on coil. It isn't firing at all.
Any Ideas?
Brain Box?
Coil? Resistor?
Bad Wire?
TIA
Baff
Why won't my truck start?
Details:
Transplanted engine. All wires hooked up to where they are supposed to be. Starter turns motor over very easily. Is getting gas. The coil is getting 12V. The ground is only conducting about 3V when the positive lead is connected to the bat. and then grounded on coil. It isn't firing at all.
Any Ideas?
Brain Box?
Coil? Resistor?
Bad Wire?
TIA
Baff
Posting Guru
Joined: Nov 2003
Posts: 1,888
Likes: 1
From: Iowa
the points could be shot, or the coil could be gone, just last week my dads 84 f150 with 300 i6 wouldnt fire and he ended up changing the coil and the resistor, so it could be a # of different things. good luck
Lead Driver
Joined: Sep 2003
Posts: 5,241
Likes: 3
From: Other side of the sunrise
Did you pull the distributer while assembling/mounting engine? You might have the distributer in 180 degrees off. If so, you could turn that thing over till chevy's rule and still not get it running. Yea, like that would ever happen. Are you getting spark at the spark plugs? Check for spark, if none, look at points, cap, rotor, condenser, coil wire end etc.
Thread Starter
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Senior User
Joined: Apr 2003
Posts: 192
Likes: 0
From: North Carolina, Wilmingto
well the motor came out of a 78 LTD.
I am not getting spark at the plugs.
I think i am going to go with a new coil. How much better will the truck run with a hotter(better) coil, or should i just get a stock replacement?
I am familiar with all parts but the condesner.
Chevy's Rule?
I am not getting spark at the plugs.
I think i am going to go with a new coil. How much better will the truck run with a hotter(better) coil, or should i just get a stock replacement?
I am familiar with all parts but the condesner.
Chevy's Rule?
Postmaster
Joined: Jul 2003
Posts: 3,934
Likes: 0
From: iowa
you have the possibilties figured out. Time to try them i guess. I heard some poeple have problems with the pickup coil in the dizzy.
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Fleet Mechanic
Joined: Oct 2003
Posts: 1,371
Likes: 10
From: Green Springs, OH
The pickup tells the ignition when to give spark when the engine turns over. Had the same problem a week ago had spark intermittenly ended up my MSD box was junk. Put the factory back in only cost 34 bucks for a new igintion box. My guess would be the box or coil.
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Senior User
Joined: Apr 2003
Posts: 192
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From: North Carolina, Wilmingto
well, i replaced the coil and the ingnition control module, but i still don't have anything happening. any other ideas?
could you please explain this:
thanks
Nick
could you please explain this:
the roll pin that holds the stator in place was loose
Nick
New User
Joined: Nov 2003
Posts: 14
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stator roll pin
there is a small roll pin that holds the stator, or star tight to the shaft of the distributor. if it is the slightest bit loose to let the stator move it will not start. this is on the dura spark system. also the way to tell is after you quit cranking it it acts like it hits just as the motorstops turning. oldcarnut
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Senior User
Joined: Apr 2003
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From: North Carolina, Wilmingto
I have the haynes, I looked throught it to find the stator, but i didn't not see it. I went and check that part, it is as tight as it can be. I might have to pay somebody to look at it.