09-19-2003, 03:02 AM
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CC Member
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Join Date: Aug 2003
Location: Southeast,
CT
Cobra Make, Engine: ERA #375 427 S/C - 428FE - Toploader - 1968 AMX 390 Go Pack 4 Speed - My Daily Driver is a 2004 Crossfire
Posts: 872
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Not Ranked
Ballast Resistor for 428FE Ignition?
My 428FE is equipped with a Unilite Mallory distributor with electroic (phot-electric shutter) module inside the distributor (#605?). Feeding that distributor is a Mallory Super Coil and feeding the coil is a MSD 6AL multi-discharge unit.
In reading up on this setup, both Mallory AND ERA state quite emphatically that there MUST be a ballast resistor (Mallory Part #700) in the circutry to protect the 605 unit inside the distributor.
It seems this $100+ electric eye is prone to power surges from various reasons (jumper charging, battery charges, kill switch use when engine is running, planets aligning  , etc)
So I went out and got that ballast resistor from my speed shop. Just where do I put this thing? Is it supposed to go on the RED wire in between the coil and the distributor? If so, where do you physically mount it?
Other schematics show the resistor on the key switch circut. Physical mounting of the resistor on that leg of the circut poses no problem. I am all ears.
Hep Me. Hep Me. 
__________________
Art in CT
See My Website at http://www.lithicsnet.com
A car can massage organs which no masseur can reach. It is the one remedy for the disorders of the great sympathetic nervous system. Jean Cocteau 1889-1963, French Author, Filmmaker
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