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01-24-2008, 06:13 AM
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#1 |
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Registered User
Join Date: Oct 2005
Location: Pittsburgh, Pa
Posts: 106
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HEI distributer
I have a 1980 GMC 6 automatic and I am wondering if my original distributer is a HEI ignition. I would like to improve the way this GMC runs, as it sputters when cold and doesn't give very good gas mileage. It seems, that if I can upgrade the ignition maybe it would run better. Marvxyz1
Thanks for any possible input!!!!!!!!!! |
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01-24-2008, 06:56 AM
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#2 |
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Registered User
Join Date: Jan 2008
Location: Groves,TX
Posts: 483
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Re: HEI distributer
Is The Coil In The Distributor Cap?? If So Its A Hei(if Its A Stock 80 Model It Probably Is)
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01-24-2008, 07:51 AM
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#3 |
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www.73-87chevytrucks.com
 
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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Re: HEI distributer
HEI started on these truck in 1975, and 80 should definitely have one. Putting points in one is like putting a hand crank on the crankshaft.
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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01-24-2008, 08:06 AM
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#4 |
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Right in front of you.
Join Date: Jan 2006
Location: Roy, Wa
Posts: 584
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Re: HEI distributer
Sounds like you need to rebuild the carb....
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Pinstriping by Josh '78 Chevy Silverado SWB (lowered, 454) '90 Chevy Sport Truck '68 Dodge Charger R/T 1930 Ford Model A |
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01-24-2008, 08:09 AM
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#5 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: HEI distributer
prolly if left alone original its a HEI but are you sure the problem is in the ignition and not the carb
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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01-24-2008, 08:45 AM
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#6 |
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Registered User
Join Date: Oct 2005
Location: Pittsburgh, Pa
Posts: 106
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Re: HEI distributer
Sounds like I should probably check the carb when the weather breaks.
Thanks a lot everybody marvxyz1 |
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01-24-2008, 10:03 AM
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#7 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: HEI distributer
Check the choke. I bet it is opening too fast for a cold carb. I adjust my carb twice a year. Summer and winter. I adjust the choke so it stays closed longer during the winter.
If it runs fine after it's warm/hot, the choke is a likely problem. Last edited by gchemist; 01-24-2008 at 10:03 AM. |
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