Engine missing (well, I know where it is) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

71Shortbed · 10-04-2005, 06:29 PM

I've got a stock 307 with an Edelbrock 500cfm and performer manifold. It's been running great until yesterday. It started running rough like its got a plug wire off. I replaced the plugs, wires, points, rotor, condensor, and cap. Set the dwell to 30 degrees and timing to 8 degrees and it's no better. Checked all my vacuum lines. Still runs rough and sputters and backfires when I step on it.
Any ideas what it could be?

10-04-2005, 06:29 PM	#1
71Shortbed Registered User Join Date: Jul 2004 Location: Lilburn, GA Posts: 209	Engine missing (well, I know where it is) I've got a stock 307 with an Edelbrock 500cfm and performer manifold. It's been running great until yesterday. It started running rough like its got a plug wire off. I replaced the plugs, wires, points, rotor, condensor, and cap. Set the dwell to 30 degrees and timing to 8 degrees and it's no better. Checked all my vacuum lines. Still runs rough and sputters and backfires when I step on it. Any ideas what it could be?

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