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Spark when key is turned on, but no spark when cranked


That Ol 720

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You may have inadvertently fixed their blown exhaust coil fuse by wiring the exhaust coil to the intake coil. Running on just the intake plugs completely changes the burn time making it longer. In effect the timing needs to be advanced to about 10 BTDC for single plug. The engine will run poorly as it is still at 5 degrees and will act like the timing is retarded.

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