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01-30-2004, 11:24 PM
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#1 |
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Junior Member
Join Date: Aug 2003
Location: SW Nebraska
Posts: 50
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HEI and Pertronix
I know that they recommend that you change out the resistance wire from the fuse panel that ran to the coil on the old points system when you are adding HEI to the 67-72 trucks, but do you still need to do this if you are using a pertronix ingition system. I would like to upgrade the ignition system in my truck without modifing the firewall. Please help, Todd.
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Old Chevys never die they are just reborn! |
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01-31-2004, 12:05 AM
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#2 |
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Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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if your going to change to any dist .DIZZY other than stock points.
change the resistor wire....it's not that hard.... |
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01-31-2004, 12:49 AM
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#3 |
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Registered User
Join Date: Oct 2003
Location: Cumming, Ga
Posts: 234
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You can change it out if you want....but you also have to add a non-resistor type wire if you keep it...at least on my pertronix thats what I did.
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Glenn Cumming, Ga (68 C/10 Fleetside LWB 307 (64 C/10 Fleetside Shorty Custom 350, with 73 donor parts aplenty) (2001 Porsche Boxster S - 168 MPH of fun) (2005 Chevy Avalanche Z71 1500) |
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02-01-2004, 02:27 PM
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#4 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Goto GMC Pauls web site I just installed a points replacement system that did not require running any new wires, just use the coil wire from the points to + terminal of the coil. Like it better than the pertronix I had.
For the pertronix, if you are running the stock coil then you'll need to keep the resistor wire as is, and only run 12V to the pertronix unit. If you have an aftermarket coil then do what they recommend.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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02-01-2004, 06:40 PM
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#5 |
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It's just a check engine lamp.
Join Date: Apr 2001
Location: Melbourne, FL
Posts: 311
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I have the Pertronix setup on my 250. They said to keep the resistor wire, unless you run one of the resistor coils. Personally, I regret getting the Pertronix setup. I'm actually looking for a HEI setup right now. Parts are not avaiable locally, they don't have a 24 hour tech support, if you want a part replaced you have to ship it to them to be tested. With an HEI yopu can get parts at almost any local store. Those are just my thoughts. Good luck. John
BTW: My resistor coil from Pertronix crapped out after about 2 weeks of use. I stuck in the ols Accel unit, and it worked fine. I added a ballast resistor to match Pertronix's specs. You might want to go to their website and look at the FAQ section.
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Active Inliner---bigchevy66 68 SWB Stepside 250 L6/3 on the floor/ Hedman headers, HEI, MSD 6A box, K&N filter, Offy intake and Edelbrock 600cfm 4 barrel Soon to have: WC T-5 five speed 66 SWB Stepside-undergoing restoration Last edited by jjk3; 02-01-2004 at 06:42 PM. |
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