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#1 |
Project Heaven in my 67!!!
Join Date: Jan 2009
Location: Bosqueville, TX
Posts: 899
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Points to HEI help...
I am working on a BB in a 71 and the PO converted to HEI but did it in a very bad way. Is there anyone that can provide a link to the proper way to wire in the HEI distributor so that I can make sure this is done properly?
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#2 |
Registered User
Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,151
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Re: Points to HEI help...
Easiest way is to replace the entire ignition wire from coil to the firewall bulkhead with a 10ga red wire. The existing wire is a resistance wire, so do not use it. Take the bulkhead off the fuse block, split it, and remove the existing wire and terminal. Either solder the new wire to the old terminal or get a new male "type 56" terminal and put it back. Easy.
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
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#3 | |
Project Heaven in my 67!!!
Join Date: Jan 2009
Location: Bosqueville, TX
Posts: 899
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Re: Points to HEI help...
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#4 |
Project Heaven in my 67!!!
Join Date: Jan 2009
Location: Bosqueville, TX
Posts: 899
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Re: Points to HEI help...
Or maybe someone has a good wiring diagram for under the hood they could post up so I can make sure everything is right!
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#5 | |
Msgt USAF Ret
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Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Points to HEI help...
Quote:
Here is the stock diagram, the red arrows indicate the resistance wire that you want to remove. here is the wire in the firewall block, It is the whitish cloth covered one that was orange/ purple when new.You can remove it and run a new wire or just rune from the Ign unfused on the fuse panel. Here is the HEI wire if you run it from the firewall block. The old stock wires are gone and the new red wire is in place.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#6 | |
Quit if it's not FUN!!!
Join Date: Jul 2010
Location: Indian Trail, N.C,
Posts: 864
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Re: Points to HEI help...
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#7 |
Registered User
Join Date: Jun 2012
Posts: 1,089
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Re: Points to HEI help...
I ran mine from the fuse box on the ING fuse terminal then ran it to the HEI.
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#8 |
Senior Member
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Location: Orem, Utah
Posts: 7,912
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Re: Points to HEI help...
If you have a starter solenoid with R and S terminals, you can also run a wire from the R (stands for "run") terminal.
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#9 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Points to HEI help...
I ran a 10 gauge wire from the unfused ignition terminal on the fuse block with an in-line 30 amp fuse in the '71 I had. It seemed to work great that way. I got this idea from some one's post on hear a while back.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#10 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Points to HEI help...
I ran a 10 g wire (ign unfussed in the box), to the HEI.You can also opt for the 30 amp fuse , as mentioned (cant hurt)
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#11 | |
Senior Member
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Location: Orem, Utah
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Re: Points to HEI help...
Quote:
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#12 | |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Points to HEI help...
Quote:
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#13 | |
Msgt USAF Ret
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Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Points to HEI help...
Quote:
Just run the distributor wire from the ign unfused terminal on the fuse panel and 12 gauge is plenty. A fuse is not necessary.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#14 |
Senior Member
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Location: Godley, TX
Posts: 17,963
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Re: Points to HEI help...
I bought a truck with an HEI in it already. Will need to go back and use some of this info to confirm it was done correctly (based on the rest of the truck, I'd be surprised if it was). However, dummy questions for you all related to op thread:
1) did 71-72's with points distribs (i.e. all stock) have a resistor block (the old white block I used to see in older vehicles from the 50's and 60's) in the ignition circuit? Or does the resistance wire that is mentioned above just simply replace that? 2) any additional considerations when going from HEI back to points?? (other than just "do it in reverse"). Will someday restore this truck and prefer to re-install the old stock ignition, warts and all. Thanks - sorry for my partial hi-jack. Good thread and topic tex_waco_usmc! |
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#15 |
Senior Member
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Location: Orem, Utah
Posts: 7,912
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Re: Points to HEI help...
The resistance wire took the place of the resistor block. That's really all there is to it; if you go back to points, you just need to either put in a resistance wire or a resistor block (but not both).
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#16 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Points to HEI help...
thanks truckster! I always wondered about that (most my cars/trucks have been older except for a 72 I had a long time ago - and I couldn't remember if it had the block or not - didn't think it did).
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#17 |
Project Heaven in my 67!!!
Join Date: Jan 2009
Location: Bosqueville, TX
Posts: 899
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Re: Points to HEI help...
Vettevet,
See this is a perfect example of why this is the best forum on the internet. I asked and received everything I needed to do the job! BTW, just wanted to let you guys know I was able to hear the BB run tonight. I dont have the harness done yet, I just removed the wire on the dizzy and ran it to the positive wire on the battery and it fired off and ran good other than a massive vacuum leak... I appreciate everything!!!! My next question is this, does anyone have a vacuum diagram for one of these BB trucks? |
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#18 |
Msgt USAF Ret
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Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Points to HEI help...
Start a new thread on the vacuum Tex, and you'll get more responses. VV
I just found this pic that may help.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. Last edited by VetteVet; 11-27-2012 at 02:13 AM. |
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#19 |
Project Heaven in my 67!!!
Join Date: Jan 2009
Location: Bosqueville, TX
Posts: 899
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Re: Points to HEI help...
Thanks Vettevet I will!
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#20 |
Registered User
Join Date: Jun 2010
Location: San Diego Co.
Posts: 1,162
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Re: Points to HEI help...
Subscribed.
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1972 Chevy C-10, SWB, Fleet, 350/350, PS, PB, HEI, mostly stock, Survivor. ![]() |
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