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Re: No Spark after DIY head gasket
Posted to Technical Discussion Forum on 2/25/2011 13 Replies

Hello Phil,

I never had a 4.7L apart but it look like the cam timing is off.

The compression waveform doesn't look right. I don't know which transducer you are using but I don't see any vacuum when the intake valve should be open.

The ignition should be ... Login to read more.

13 Replies Received (View Replies)