In Reply to: 8N Backfires through the exhaust posted by Jon Bennett on May 19, 2014 at 17:14:54:
You can get backfire from a poor electrical ground -shorting out positive to negative will do that. You say you recently did a revamp of the electrical system and it would on occasion backfire. Did it backfire prior to the revamp? Plugged radiator will cause overheating, nothing to do with backfiring.
Tim Daley(MI)
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