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#1 |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Stumped......
Frankenstein will not start ! I swapped an I6 for V8, had to put a fuel pump on it, it had sat on the engine stand for a couple years. It ran fine when removed. I noticed the vacuum advance was working, switched out another distributor. It ran fine for a month...one morning on the way to work it would not take gas, thought choke was sticking. next day it warmed up and drove fine again. Next morning started to work, same thing again. I could kick the choke off by hand and it would run, as soon as I took off the choke would close. I installed an electric choke, no help. It had new Distributor cap, rotor button & coil from Napa. I thought it had to be the carburetor, Bought new Edelbrock 1406 with electric choke. Still won't run. Then I replaced all Distributor parts, Ignition module, coil pickup. I have a 10ga from fuel box to Distributor with 12 volts. Still no start. I took the Carb off my vette and tried, not carb Problem. I checked the spark with an old plug hooked to no 1, looks like spark is weak..........Don't know what else to check ! It is on No 1 compression !
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#2 |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Stumped......
When you switch distributors, did you switch to something like an HEI that doesn't need the ballast wire and forget to remove it?
Where did you power the electric choke from?
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#3 | |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Re: Stumped......
Quote:
I powered the choke from fuse box... Someone said maybe killed the plugs, buying new ones tomorrow and try. |
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#4 |
Registered User
Join Date: Mar 2009
Location: WARRENSBURG,MISSOURI,64093
Posts: 1,518
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Did you by chance change the ignition module in your HEI distributor recently? If you did, and didn't use the grease that came with the new module, that might account for the spark being weak. Those modules will fry very quickly.
also, how old is the coil in the distributor? Look at the carbon button between the coil and the cap and make sure it's not burned. Hope these suggestions help in someway or another. Ben ![]() |
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#5 |
Senior Member
![]() Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,844
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Re: Stumped......
Did you re-gap the plugs when you switched to HEI? I think they should be in the 0.040"-0.045" range. Maybe someone will confirm.
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#6 |
Special Order
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Location: Mt Airy, MD
Posts: 85,859
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Re: Stumped......
That carb is a bit much for an I-6. Or did you swap a V8 for the I-6?
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#7 |
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Join Date: Jul 2011
Location: strausstown pa
Posts: 3,394
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Re: Stumped......
just a thought here but did you ground the engine during your swap? lots of guys never give grounding a thought ya need a few of them.
I've also seen the main power wire(thick red) that goes into the firewall bulkhead get corroded and not make good contact. but you would lose ALL power in this situation.
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#8 | |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Re: Stumped......
Quote:
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#9 |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Re: Stumped......
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#10 |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Re: Stumped......
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#11 |
Registered User
Join Date: Jun 2009
Location: COOKEVILLE,TN
Posts: 146
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Re: Stumped......
New Plugs Worked.............fired right up ! Who would've thunk it !
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#12 |
Registered User
Join Date: Mar 2009
Location: WARRENSBURG,MISSOURI,64093
Posts: 1,518
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I built a mild 350 for a '69 Camaro I had years ago, that absolutely would not start unless the gap was .050" or wider, it was crazy, but the HEI distributor and super coil I was running with that Cam that was the only starting issue I had....
Hope that solves your problem for good! Ben ![]() |
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