HEI distributor.... NO FIRE - Chevelle Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 10 (permalink) Old Oct 14th, 10, 10:40 AM Thread Starter
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HEI distributor.... NO FIRE

My '72 Jimmy 2wd.. (350/350trans.) wouldn't run. I took a plug wire off a plug, stuck an old plug on the wire, grounded the plug body and turned the engine .. NO FIRE. I ran a jumper from the pos. battery post to the BAT connection on the HEI... NO FIRE. I had a brand new ProComp HEI I'd bought off Craigslist cheap awhile back, so I put it in...NO FIRE. I hooked the old cruddy HEI I'd removed to the battery, used 2 old plugs and wires, grounded the HEI's body and spun the gear with my fingers... SNAP! SNAP!, I could see and hear it firing 'em GOOD. Took the new ProComp back out, hooked it up the same way to test it and it fires the test plugs even better. I put it back in, hooked it up ...NO FIRE. The rotor turns when it's in the engine, and the distributor body is grounded according to my 12v tester. WHY WON'T THIS THING FIRE IN THE VEHICLE!!? I'm about out of ideas. Don't have a Chevelle right now but the amount of Chevy knowledge on this site has ALWAYS been GREAT. Somebody bail me out.. PLEASE!!

Dad always said, "Son, WISH in one hand and....."

'70 Nova, 406" SB, 'glide/brake, tubbed, ladder bar/coil overs. 9" Ford, 4.88, spool
'69 Nova 350/4spd. SOLD
'71 GMC short/step, 350, 700r, Vintage A/C, ps,pb.
'67 C10 short/step SOLD
'66 Belvedere City of Miami cop car clone
'72 2wd Blazer 454, TKO 500 O.D.
...no CHEVELLE right now ;<(
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post #2 of 10 (permalink) Old Oct 14th, 10, 11:24 AM
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Re: HEI distributor.... NO FIRE

72 would have points originally so make sure you have a full 12volts and the rotor turns when the engine is cranked.Other than that make sure you have a good engine ground.Nothing wrong with running a GM unit also because they are good.
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post #3 of 10 (permalink) Old Oct 14th, 10, 12:20 PM Thread Starter
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Re: HEI distributor.... NO FIRE

Thanks Gary, There's no resistor in the ignition circuit any more, straight 12v. I've tried it hotwired from the pos. battery to the HEI.... rotor turns.... gonna try to gound it a little MORE with my jumper cables.

Dad always said, "Son, WISH in one hand and....."

'70 Nova, 406" SB, 'glide/brake, tubbed, ladder bar/coil overs. 9" Ford, 4.88, spool
'69 Nova 350/4spd. SOLD
'71 GMC short/step, 350, 700r, Vintage A/C, ps,pb.
'67 C10 short/step SOLD
'66 Belvedere City of Miami cop car clone
'72 2wd Blazer 454, TKO 500 O.D.
...no CHEVELLE right now ;<(
Rusty Bucket is offline  
post #4 of 10 (permalink) Old Oct 14th, 10, 9:51 PM
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Re: HEI distributor.... NO FIRE

Either the module is bad or the pick-up coil is open, or items inside are unplugged.

Give a man a rescued dog for the health of his soul.
Other stuff: http://www.flickr.com/photos/everettwn68 www.firstgens.com
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post #5 of 10 (permalink) Old Oct 14th, 10, 11:36 PM
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Dave
 
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Re: HEI distributor.... NO FIRE

I was going to say module also. Had it happen once. I've carried and extra ever since. lol
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post #6 of 10 (permalink) Old Oct 15th, 10, 12:05 AM
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Re: HEI distributor.... NO FIRE

http://www.chevelles.com/techref/ftecref5.html
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post #7 of 10 (permalink) Old Oct 15th, 10, 10:44 PM Thread Starter
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Re: HEI distributor.... NO FIRE

Schurkey, Thank you! GREAT tech. info. I think I have everything but the spark tester. Busy tomorow but look forward to working on it Sun. Anything bad about the Procomp(it's new) or is an old used GM better to work with? BOTH of 'em worked out of the veh.

Dad always said, "Son, WISH in one hand and....."

'70 Nova, 406" SB, 'glide/brake, tubbed, ladder bar/coil overs. 9" Ford, 4.88, spool
'69 Nova 350/4spd. SOLD
'71 GMC short/step, 350, 700r, Vintage A/C, ps,pb.
'67 C10 short/step SOLD
'66 Belvedere City of Miami cop car clone
'72 2wd Blazer 454, TKO 500 O.D.
...no CHEVELLE right now ;<(
Rusty Bucket is offline  
post #8 of 10 (permalink) Old Oct 15th, 10, 11:58 PM
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Re: HEI distributor.... NO FIRE

I would rather have a "used but usable" Delco HEI than a brand-new Communist knock-off of an HEI.

At least you can be assured that the Delco was built right to begin with.
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post #9 of 10 (permalink) Old Oct 16th, 10, 12:44 AM Thread Starter
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Re: HEI distributor.... NO FIRE

I've got three GM candidates to choose from.

Dad always said, "Son, WISH in one hand and....."

'70 Nova, 406" SB, 'glide/brake, tubbed, ladder bar/coil overs. 9" Ford, 4.88, spool
'69 Nova 350/4spd. SOLD
'71 GMC short/step, 350, 700r, Vintage A/C, ps,pb.
'67 C10 short/step SOLD
'66 Belvedere City of Miami cop car clone
'72 2wd Blazer 454, TKO 500 O.D.
...no CHEVELLE right now ;<(
Rusty Bucket is offline  
post #10 of 10 (permalink) Old Oct 19th, 10, 1:08 AM Thread Starter
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Join Date: Jan 2001
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Posts: 139
Re: HEI distributor.... NO FIRE

I took the ProComp dist. out and hooked it up to test it..NO FIRE. I tested the best looking of the 3 other distributors and it fired good so I dropped it in. My neighbor cranked it for me while I watched under the hood in case I needed to move the dist. I could tell it was firing 'cause it was bucking against the starter. Before I could retard the timing I got sparks and smoke from the end of the battery cable... I think somebody had soldered an end on and it burned it off.............. had to drop the starter out to connect the new cable to the solenoid 'cause of the headers. Put it back together and the last drama was when I turned the key and it wouldn't turn on the starter.... CRAPPP!!!!, stomped around for awhile cussin'. Finally thought to wiggle the shift lever, it turned a couple of turns and started right up.
Thanks for the suggestions and information........ lots of very knowledge and good helpful people on this site.

Dad always said, "Son, WISH in one hand and....."

'70 Nova, 406" SB, 'glide/brake, tubbed, ladder bar/coil overs. 9" Ford, 4.88, spool
'69 Nova 350/4spd. SOLD
'71 GMC short/step, 350, 700r, Vintage A/C, ps,pb.
'67 C10 short/step SOLD
'66 Belvedere City of Miami cop car clone
'72 2wd Blazer 454, TKO 500 O.D.
...no CHEVELLE right now ;<(
Rusty Bucket is offline  
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