MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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mindseye
John Csuhany
Edmonton, Alberta, Canada
(76 posts)

Registered:
11/18/2009 11:40AM

Main British Car:
1980 MGB 1962 Buick 215 cu. in.

authors avatar
Petronix ignitor install help?
Posted by: mindseye
Date: February 18, 2010 07:35PM

Having some confusion with where the wires go?....I have a 80 mgb 12 volt neg. ground with a 215 buick stock points distributor...the existing coil has 1 wire to neg (ground) I would guess and two wires too positive (line)....then there is a wire to the dist, white with black stripe? I do not know what this is?...kit says install red wire from petronix ignitor to the pos+ and the black wire to neg- on coil I assume i just attach these to the coil and leave the cars hook ups? but do I cut the wire presently to the dist or leave it?....damn kit doesn't tell ya squat....any help appreciated


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

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Re: Petronix ignitor install help?
Posted by: BlownMGB-V8
Date: February 19, 2010 09:22AM

The ignitor has to have a power feed. The original points worked by grounding out the coil. The ignitor works by using the internal distributor ground to connect the coil ground lead to complete the circuit, same as with the points. The only difference is the power feed for the module electronics.

HTH
JB


whisperer
Hal W.
Central Oregon USA
(3 posts)

Registered:
03/18/2009 11:50PM

Main British Car:
1980 MGB 302 SBF

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Re: Petronix ignitor install help?
Posted by: whisperer
Date: March 09, 2010 04:42AM

Go to my site [www.vintage-automotive.com] . Click on the "Tech Tips" section and then to "How to install a Pertronix Ignitor". This is a thorough write-up of how to wire a Pertronix into a vintage Mustang but should answer most of your questions.



Edited 1 time(s). Last edit at 03/09/2010 04:44AM by whisperer.
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