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02-02-2005, 08:10 PM
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#1 |
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Registered User
Join Date: Jun 2003
Location: wilson ,nc
Posts: 17
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Hei or non hei
i was wondering, i have a 84 chevy pickup with a stoclk ignition. is this hei or non-hei. trying to order some parts and i`m not sure. thanks ahead of time
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02-02-2005, 08:16 PM
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#2 |
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www.73-87chevytrucks.com
 
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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Everything 75 - 87 is HEI, 81-up is ESC: Electronic SparK Control - or Extremely Stupid Crap to those that love to hate it. If you have ESC on there (it will have a computer running to the distributor) you may want to consider GM's solution to the problems associated with the ESC system, eliminate it.
See here for info: http://www.73-87.com/7387garage/drivetrain/escrepl.htm
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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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02-02-2005, 09:47 PM
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#3 |
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Did someone say MUD?
Join Date: Aug 2003
Location: Pullman,WA
Posts: 1,089
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if its hei it should have a little box coming off the side of the distributor cap. This is where your coil and tach should plug into...Later Mike
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Im in the market guys...so keep ya eyes peeled -------------------- Mini trucks are for guys who cant get it up! |
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02-02-2005, 10:26 PM
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#4 |
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Project 2 Resume
Join Date: May 2004
Location: Jim Thorpe, PA
Posts: 884
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Guess it might depend on the truck and motor. Have seen them on more 305 setups. My 84 c-30 350, came non-ecs. Cap & rotor shouldn't matter, the ignition module would. Non-ecs shouldn't have a vacuum advance canister on it.
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John 1984 C30 Chevy Crew Cab Dually 1998 Jeep Cherokee 4x4 2004 Chevy Trailblazer 4x4 (wife's) 1970 Mustang FB fully tubed (getting 521 BBF & powerglide) 1978 Nova 2dr (going BBCaddy & S.P. th400) 1984 Monte SS (circle track car) |
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02-03-2005, 09:46 AM
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#5 |
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Registered User
Join Date: Oct 2003
Location: Chesapeake, VA
Posts: 734
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Yes, post-75 is HEI. No 350s had ESC, only the 305 (5.0L) V-8s and 4.3L V-6s.
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Semper Paratus |
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02-03-2005, 12:08 PM
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#6 |
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www.73-87chevytrucks.com
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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The reason ESC wasn't in 350's is because 350's weren't offered from the factory in halftons from 81-86. 3/4T-up got 350's though, and they didn't have ESC.
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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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