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08-05-2007, 12:11 PM
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#1 |
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Junior Member
 Join Date: Dec 2006
Location: Florida, Myakka River
Posts: 143
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HEI wiring question-will this work?
My son and I installed an ACCEL HEI unit yesterday with new wires and plugs. Have it all set up except the 12 volt wire to the distributor. I know we have to change the old resistor wire. Can we connect a 12 guage wire to a small piece of the old wire at the firewall or do we have to run the new wire from the fuse block? We appreciate your help.
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'63 C10 lwb flatbed '66 C10 lwb stepside '68 C10 lwb stepside (parts) '68 C10 lwb fleetside (17 yr old son's ongoing project) '03 HUMMER H2 (wife's) '06 3500 flatbed liftgate (My work truck) |
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08-05-2007, 12:31 PM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,596
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Re: HEI wiring question-will this work?
It's better to completely eliminate the resister wire and go direct.
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08-05-2007, 12:47 PM
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#3 |
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Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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Re: HEI wiring question-will this work?
 all you need is a switched 12 volt wire to the HEI get rid of the resistor
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68 swb fleet bagged on 20's 327 with 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=223308 2014 Chevy 2500hd duramax CCLB |
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08-05-2007, 12:56 PM
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#4 |
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Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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Re: HEI wiring question-will this work?
I recommend an inline fuse also. Dont take a chance losing your truck over a $1 fuse...
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08-05-2007, 01:24 PM
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#5 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: HEI wiring question-will this work?
what i've always done is trace the resistor wire back thu the harness to the firewall pulled the connector out of the firewall mounted terminal block and used that for my feed (correct terminals available at napa)then i've rewrapped the harness that goes accross the firewall for a nice clean factory looking job with no addon wires and no excess dangling wires
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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08-05-2007, 01:37 PM
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#6 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,815
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Re: HEI wiring question-will this work?
Another really easy process is just to take a 12G wire with a female spade on it and connect to the IGN UNFD connector on the fuse box, route it out through the firewall with the rest of the wires, across the wire channel at the top of the firewall and right down into the distributor. Nice, clean and easy.
Run a 16G green wire at the same time for your future tach 
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08-05-2007, 01:55 PM
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#7 |
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Registered User
Join Date: Feb 2007
Location: Dallastown , Pa
Posts: 261
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Re: HEI wiring question-will this work?
Thats exactly what I did
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08-05-2007, 02:32 PM
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#8 |
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Junior Member
Join Date: Dec 2006
Location: Florida, Myakka River
Posts: 143
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Re: HEI wiring question-will this work?
Thanks guys, always a big help. We ran the wire straight to the fuse block and it fired right up. Adjusted the timing by ear for now. What should the timing be set at for a 283? Idles so much smoother with the HEI.
__________________
'63 C10 lwb flatbed '66 C10 lwb stepside '68 C10 lwb stepside (parts) '68 C10 lwb fleetside (17 yr old son's ongoing project) '03 HUMMER H2 (wife's) '06 3500 flatbed liftgate (My work truck) |
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08-05-2007, 03:37 PM
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#9 | |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,815
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Re: HEI wiring question-will this work?
Quote:
Here you go on the timing question: http://67-72chevytrucks.com/vboard/s...d.php?t=248959 You'll want to open up your spark plug gaps a bit to .045. |
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