Reply to "PIM 427 Hammer engine - Surging at cruise"

panteradougMember

Not only could this be an issue with cam timing, but it may also be that the cam was installed intentionally, not straight up?

You really need to see the cam specs and unfortunately need to see the timing gears.

In my view, it is next to impossible for that particular intake manifold to have any kind of a vacuum leak. You are chasing a ghost.

I don't wish this on anyone.

8/22/245:40 AM

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