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#26 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,858
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Re: Experienced Mechanic needs another opinion
From what you describe,I think the problem is with the HEI.They either work or don`t.Less forgiving than original points dist.If it doesn`t start with other distributor then it`s got to be the supply to it.Your "new" distributor could have,as mentioned,a faulty module,pickup,coil,or wire from base to coil.You have spark at plugs,though.Is it a good zap?I forgot about that.It probably is timing,then.I bet you`re 180 out or wires aren`t right.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#27 |
68 C/10
Join Date: Oct 2003
Location: Houma Louisiana
Posts: 367
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Re: Experienced Mechanic needs another opinion
If you had to realign the rotor as stated in the first post, i think you may have jumped timing.
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(2009) GMC Sierra Denali 6.2 AWD (67 C/10 fleetside SWB) (2018GMC Yukon Denali) Wifes Car Last edited by 68cajun; 02-13-2006 at 09:21 AM. |
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#28 |
member
Join Date: Dec 2003
Location: Silver Spring Md.20901
Posts: 2,031
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Re: Experienced Mechanic needs another opinion
I dont know if its just a coincodince: but twice I have had to change modulators in my trucks. they ran then went dead. A few hours after, they started up again. I drove them a little and they quit for good. After changing the modulator they started and kept running. Its been a long time since this happened, but I was told that it wasnt uncommon for it to act this way before the modulator went out for good. It might be woth the investment of a new modulator while the timing and carb settings are still where the engine was running.
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1967 C/K10 Chevy Panel 1968 C/K20 Chevy Pickup 1968 C/K10 Chevy Suburban 1941 Chevy Sedan Delivery 1960 Chevy Sedan Delivery 1972 Camaro SS 396 #s matching 1971 Harley FX Superglide Last edited by olblue60@aol.com; 02-13-2006 at 09:36 AM. |
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#29 |
member
Join Date: Dec 2003
Location: Silver Spring Md.20901
Posts: 2,031
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Re: Experienced Mechanic needs another opinion
I also , as Special K suggested have had the wire going through the bottom of the dist. ,worn and grounding to the distributer as he suggested. Your symptoms sound as though this might be a good avenue to check out as well.
Good luck
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1967 C/K10 Chevy Panel 1968 C/K20 Chevy Pickup 1968 C/K10 Chevy Suburban 1941 Chevy Sedan Delivery 1960 Chevy Sedan Delivery 1972 Camaro SS 396 #s matching 1971 Harley FX Superglide |
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#30 |
Sleep-Deprived
Join Date: Sep 2002
Location: Tulsa, Oklahoma
Posts: 445
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Re: Experienced Mechanic needs another opinion
I agree with Jhowe - replace the plugs. I've got a car that I've replace the plugs on several times because it runs rich and after running awhile it just won't start anymore. Replace the plugs and boom, there it is! Plugs shouldn't be wet, BTW.
Edit: don't rely entirely on the spark at the plug, you can still get a weak - yet intermitant - spark with plugs that are gas fouled.
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1971 K/10 Long Fleetside 350/350 - 6" Lift 1969 C/10 SWB 292 - Sold It Last edited by 69_hafton; 02-13-2006 at 10:07 AM. |
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#31 |
Junior Member
Join Date: Jan 2006
Location: SPARKS
Posts: 62
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Re: Experienced Mechanic needs another opinion
I had a problem like yours, where the voltage on the + side of the coil was to low and the motor wanted to start but didn't and once I corrected that it fired, but you said you had the correct voltage there, sound like a problem in the HEI system to me. And yesterday my truck developed a problem where it would fire intermittently and found a crack in the top of the coil tower, you coud see the spark fire through the top of the coil, so I replaced the coil and it ran fine. Good luck
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#32 |
what happened to flint mi
Join Date: Oct 2005
Location: san diego
Posts: 437
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Re: Experienced Mechanic needs another opinion
i did a toyota 22re with a brand new motor plugs cap and rotor basically everything was new , it just wouldntstart and drove me bug **** re set the timing by hand 5 or 6 times it turned out that the cat was plugged , it took 5minutes to disconnect the exhaust and try to start , whaddaya know it started rite up , if you think everything is right then try pulling the exhaust loose it worked for me .
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#33 |
Registered User
![]() Join Date: Mar 2005
Location: Tinley Park Il.
Posts: 144
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So what happend,did you find the problem?
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#34 |
Senior Member
![]() Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,005
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Re: Experienced Mechanic needs another opinion
curious too....
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#35 | |
10/30/19
Join Date: Aug 2004
Location: ottawa kansas
Posts: 5,215
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Re: Experienced Mechanic needs another opinion
Quote:
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