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Topic: HEI Problem

in Forum: C3 Engines


HEI Problem

Posted: 6/2/14 6:15pm Message 1 of 29
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Peru, IN - USA
Joined: 6/2/2010
Posts: 87
Vette(s): 1978 Blue Edition 2001 Torch Red
Several times , months apart, when the car has set several weeks, the car fails to start. Engine turns over fine. I have 12 volts to the distributor with key on. Put spark tester on plug wire and no spark when cranking engine.  Each time this happened I have done the same procedure. Disconnect Tach and battery wire and wire connector from distributor. Pull coil out and clean contact and rotor bushing. I stretch the spring a little on the rotor bushing to ensure good contact. The rubber bushing sits on top of the rotor bushing so it is installed properly. Ensure the grounding strap is secured. Put it all back together and it has fired up on first crank each time. I know there is two different rotor bushings that comes with a tune up kit but I don't remember which one I used. Distributor cap and components was put in last fall. It's an Accel kit. I'm leaning towards the rotor bushing spring is the problem. Any suggestion on a high quality cap and coil components that's worked for you or what else may be the problem?


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Re: HEI Problem

Posted: 6/2/14 7:20pm Message 2 of 29
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20224
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Go to yer local dealer, or parts house, and get an AC/Delco cap, and a new rotor. No reason to buy Accell crap. Thumbs Up


Joel Adams
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Re: HEI Problem

Posted: 6/3/14 4:39am Message 3 of 29
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2381
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
Adams' Apple said: Go to yer local dealer, or parts house, and get an AC/Delco cap, and a new rotor. No reason to buy Accell crap. Thumbs Up


^^+1
Agreed...GM/AC DELCO is better than the 
aftermarket stuff IMO. 

I forgot to mention…check for  side to side and excessive up and down free play in the distributor shaft. 


|UPDATED|6/3/2014 4:39:18 AM (AZT)|/UPDATED|




GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.

3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


Lifetime Member #26

Re: HEI Problem

Posted: 6/3/14 9:55am Message 4 of 29
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
 After frying my coil out on the road, I went straight to the Ign. module and replaced it. Well that wasn't the problem but it did reveal a lacking of dielectric compound under the module which I replenished. Besides saving the module from future burnouts I'm sure the grounding is much better. It actually seems to start a little faster and run better but that could also be the new coil and module. I'm going through my vettes to insure there's plenty of silicone compound under each module,..you know, peace of mind.


Re: HEI Problem

Posted: 6/4/14 3:58pm Message 5 of 29
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Peru, IN - USA
Joined: 6/2/2010
Posts: 87
Vette(s): 1978 Blue Edition 2001 Torch Red
Thanks for replies. Changed over cap and rotor to Delco/Remy, checked distributor (1 year old) for play, and module has good coat of di-electric. Will let you know if problem persist. Thanks again...


Re: HEI Problem

Posted: 6/5/14 2:26pm Message 6 of 29
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Morganville, NJ - USA
Joined: 1/25/2009
Posts: 92
Vette(s): 1971 350 270 hp roadster millivanilli red, black interior, white rag top, white hard top, I've had it 18 years and intend on giving it to my son for his 25th birthday(another 18 years from now)
You need a new coil pick up in the distributor,that's the one that has the wires going to the modual and "sees" that distributor pulse to fire the engine the wires are bad that connect them together


Re: HEI Problem

Posted: 6/5/14 2:55pm Message 7 of 29
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Peru, IN - USA
Joined: 6/2/2010
Posts: 87
Vette(s): 1978 Blue Edition 2001 Torch Red
Can the coil pick-up be intermittent like I'm experiencing?


Re: HEI Problem

Posted: 6/5/14 2:57pm Message 8 of 29
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garland, TX - USA
Joined: 1/24/2014
Posts: 2
Vette(s): 1981 corvette
I agree with Per4mance I would be willing to bet the pick up coil in the distributor has a broken wire I have seen it several time it can be vary frustrating. You replace stuff and it will fixes for a while then all of the sudden no start. Check the plug and the wires going into it 






|UPDATED|6/5/2014 2:57:59 PM (AZT)|/UPDATED|



Re: HEI Problem

Posted: 6/5/14 4:08pm Message 9 of 29
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Peru, IN - USA
Joined: 6/2/2010
Posts: 87
Vette(s): 1978 Blue Edition 2001 Torch Red
If the PU coil does prove to be the culprit and I have to pull the distributor I think this would be a good time to just replace the Accel distributor. Steer me to a good reliable brand that has worked for club members. Thanks


Re: HEI Problem

Posted: 6/6/14 3:10am Message 10 of 29
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2381
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
tttanker said: If the PU coil does prove to be the culprit and I have to pull the distributor I think this would be a good time to just replace the Accel distributor. Steer me to a good reliable brand that has worked for club members. Thanks


AC Delco…..I had this same distributor in my old crate motor since 2000. It's still out there running that same engine just in another car now. It never gave me a problem. the only thing I did was put a looser set of advance springs in it. 
You may be able to get it cheaper if you shop around. 
 





GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.

3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


Lifetime Member #26

in Forum: C3 Engines


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