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john hess

Misfire on #1 plug 53 pon l8

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OK guys. Need some help here.        53 l8 is acting weird. #1 cylinder is misfiring. Changed plugs. Changed wires. Put timing light on all wires and all are firing consistent. #1 will only fire sporadically. Swapped wires and plugs from another cylinder. Same thing. #1 misfiring sporadically, so it's kinda tough to set timing. I am thinking distributor worn and shorting out on #1. Any ideas?.…...... John

 

 

 

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Next go back to the cap. I would put on a new one and rotor also.  let us know what happens . make sure your plugs are gaped correct for your I-8. not just out of the package and put in. Ask me how I know.

Edited by GARY F (see edit history)

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Is there any vacuum hose connection to the manifold near cylinder #1? If so you could try temporarily disconnecting and plugging the connection to the manifold.

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