I just installed a restored (by Fiedler)TI Distributor and system. The car runs great for 30 minutes or so or until warm and will just "quit" no fire. After it sits for a few minutes it will fire up again and run for who knows how long. Should I start with a replacement ignition switch and bypass the firewall wiring system? The coil is a correct replacement but made in China! Any ideas on troubleshooting on this problem?
66 427/425 TI Ignition Loses fire When Warm
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Re: From your copy of Driveline magazine...
i would start with the coil. it is the most vulnerable to heat. i had a 64 impala that did this 35 yrs ago and it was the coil. the amp is way out front and should not get hot. also make sure you do not have a ballast resister on it.- Top
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Re: 66 427/425 TI Ignition Loses fire When Warm
Tom,
Could be a number of issues. The more information you post regarding the details of how and exactly when the engine stops....the easier it is for the experienced guys here on the Board to suggest possible fixes. Duke Williams and others really helped me out with my ignition problems. Let me know if you need more from me....the archives have some good posts.
regards,
Rick.- Top
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Re: 66 427/425 TI Ignition Loses fire When Warm
Here's a stab in the dark... When TI first made its debut, there was a service bulletin regarding the use of the radio RF suppression capacitor on the ignition coil. Apparently, it would charge up over time (engine run time) and result in the distortion of the waveform to the TI system's signal amplifier resulting in ignition performance problems. The advice given was to delete or NOT install this coil capacitor...
While the AIM books do NOT distinguish between standard and transistorized ignition engines regarding the use of this capacitor, some year specific JG books tell you the coil capacitor was NOT installed on TI based cars. If you've got the radio RF capacitor installed on your car, it's a pretty quick test/fix to remove it and see if that makes a difference...- Top
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