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-   -   J-20 Ignition System (https://forums.off-road.com/jeep-full-sized/126920-j-20-ignition-system.html)

**DONOTDELETE** 07-08-2002 06:25 PM

J-20 Ignition System
 
Hey Guys, I came across a '75 J20 w/401 motor and I'm constantly having ignition problems. At first it was the ignition module (small gold box on passenger side fender) replace it, started just fine, 2 weeks later, the coil, then back to the module by end of the month. Looking to upgrade components or complete system. Budget around $350. Vehicle has Prestolite distributor. Any comments are most welcome.

Al

ozarkjeep 07-09-2002 08:56 AM

Re: J-20 Ignition System
 
swap to a later model duraspark system, get a distributer from any amcV8 after about 1978 and they should all have it, its an aluminum colored box on the driverside fender on Full sized Jeeps, a pretty easy harness to rob from donor, or make from scratch, and you can put a wider cap and good wires, and run an MSD ignition box ( instead of factory duraspark box) and a Ford TFI coil.

just the basic factory duraspark system is good cheap and reliable also.

**DONOTDELETE** 07-11-2002 08:35 PM

Re: J-20 Ignition System
 
Thanks for the info

Al


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