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12-10-2007, 05:18 PM
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#1 |
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Registered User
Join Date: Aug 2004
Location: New Hampshire
Posts: 437
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HEI conversion
Hi guys. My buddy Bill is building a really nice 72 stepper, and asked me for help swapping the point distributor for an HEI, which he already has (in his barn). Any pointers on what wire to grab to power the coil? The cleanest neatest (proper) way to do this? I am not so good with wiring, and want to make sure I actually HELP him...
 Thanks for any pointers...
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Crosby 1978 Chevrolet K10 stepside NH |
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12-10-2007, 06:24 PM
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#2 |
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Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: HEI conversion
These might help: http://67-72chevytrucks.com/vboard/s...ad.php?t=17403
http://www.oldengine.org/unfaq/hei.htm http://rmcavoy.freeshell.org/HEI.html
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Beat it to fit, Paint it to match... 
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12-10-2007, 06:37 PM
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#3 |
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Cultural Infidel
 
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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Re: HEI conversion
Use a 12 gauge wire, crimp on the appropriate ends. Connect in the fuse block at Ign. unfused. Use an in-line 30amp fuse. Connect the other end to the dizzy.
The area circled in yellow is the connection in the fuse block. -Mark
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posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold  1968 Short Fleet 350/TH400 PS PB Delivered by Fine69  Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. Last edited by Piece of Work; 12-10-2007 at 06:38 PM. |
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12-11-2007, 08:25 AM
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#4 |
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Registered User
Join Date: Aug 2004
Location: New Hampshire
Posts: 437
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Re: HEI conversion
Thanks very much guys, a great help.
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Crosby 1978 Chevrolet K10 stepside NH |
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12-11-2007, 10:03 AM
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#5 |
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Registered User
Join Date: Oct 2007
Location: Hyannis,Ne.
Posts: 28
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Re: HEI conversion
In my 66 c10 I just used the same ignition on wire that used to power the coil. Seems to work ok, been running for 3 years now with no problems. I once tried to put HEI in a 72 and found the firewall and cap had a space conflict. I didn't care about looks then and needed to get to work so used the hammer method to free up some space. Not recommended if you lose a motor mount though
 ........nofords
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12-11-2007, 01:39 PM
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#6 | |||
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Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,356
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Re: HEI conversion
in 67-72 years for sure the original coil 12 volt supply is a resistive wire and needs to be replaced with regular copper automotive wire. If you do not replace you willmost likely have voltage and ignition issues.
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 69 Custom-10 SWB FLEETSIDE  350/350 TH Dropped 3.5/5.5"Help support the board->HERE Board vendors -> Vendors list Zip:40272 Big Sandy Survivor... Quote:
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12-11-2007, 01:40 PM
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Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,356
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Re: HEI conversion
Quote:
#12 wire is only good for 20 amps, I would reccomend using #10 with a 30 amp fuse.
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69 Custom-10 SWB FLEETSIDE 350/350 TH Dropped 3.5/5.5"Help support the board->HERE Board vendors -> Vendors list Zip:40272 Big Sandy Survivor... Quote:
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